April 24, 2026
Apps Dev Tech Lead Analyst
Senior • Hybrid
268,390 - 457,010 PLN/yr
Warsaw, Poland
Overview
Citi is a world-leading global bank. We have approximately 200 million customer accounts and a presence in more than 160 countries and jurisdictions worldwide. We provide consumers, corporations, governments, and institutions with a broad range of financial products and services, including consumer banking and credit, corporate and investment banking, securities brokerage, transaction services, and wealth management. We enable clients to achieve their strategic financial objectives by providing them with cutting-edge ideas, best-in-class products and solutions, and unparalleled access to capital and liquidity.
What We do / The Team
Are you a passionate and experienced engineering leader eager to build high-impact front office quant tools? Citi's Equities Technology team is undergoing significant growth and investment, specifically within our high-priority systematic trading and analytics systems. We are seeking a hands-on Engineering Lead to drive the development of our next-generation quantitative development platform serving the Equities Cash, Derivatives, and Prime businesses.
This is a unique opportunity to make a significant impact as the platform enters its key growth phase. You will be instrumental in shaping critical capabilities including building an event-driven equity options back tester and AI-powered data agents delivering market intelligence via rich dashboards. If you thrive in a fast-paced, collaborative environment and have a passion for markets and quantitative research, we want to hear from you!
Role Overview/What will you do:
As the Engineering Lead, you'll guide the technical direction and implementation of the platform. This involves:
- Championing engineering excellence through hands-on feature creation, rigorous code quality via pull request reviews, and by mentoring junior engineers to establish robust coding standards and guardrails.
- Architecting scalable, secure re-usable components. You'll drive the design process, aligning with or challenging existing blueprints, seeking consensus from senior leads and stakeholders.
- Staying up to date with open-source solutions and latest trends to accelerate business outcomes.
Key Skills and Experience required
- Extensive background in delivering production-grade, data-centric applications for quantitative trading and analytics, with demonstrated expertise in:
- The python data engineering stack (Polars, Parquet, FastAPI, Jupyter, Airflow, Streamlit, Ray)
- High-performance data stores and query engines (Starburst, Snowflake)
- Real-time streaming analytics technologies (Kafka, Flink)
- Cloud container technologies (AWS, Azure, GCP, Docker, Kubernetes)
- Proven success in enhancing developer experience that reduces friction in coding, building and deploying APIs and client libraries.
- Real-world application of generative AI prompt engineering and RAG pipelines.
- Full-stack HTML5 web development skills.
Desired Skills:
- Understanding of Equities Cash, D1 & Deriv market mechanics and products via sell-side trading projects
- Familiarity with low-latency programming languages such as Rust or C++
What we can offer you:
By joining Citi Solutions Center Poland, you will not only be part of a business casual workplace with a hybrid working model (currently up to 2 days working at home per week), but also (potentially, subject to final offer) receive a competitive base salary and enjoy a whole host of additional benefits which can include:
Employer paid Defined Contribution Pension Plan contribution of 6% of employee’s pensionable earnings (PPE Program)
Employer paid Private Medical Care Package for employees and Private Medical Care Packages for certain family members available at preferential rates
Employer paid Life Insurance Program for employees and Life Insurance for certain family members available at preferential rates
Employee Assistance Program financed by Employer
Paid Parental Leave Program (maternity and paternity leave; statutory and 2 weeks additional paid paternity leave)
Sport Card for employees subsidized via Social Benefits Fund and Sport Cards for certain family members available at preferential rates
Additional benefits from Company’s Social Benefit Fund, in particular: Holidays Allowance, support for sport and cultural activities, team building events.
Additional day off for volunteering
Cafeteria/ flex benefit – a company benefits system which enables employees to select and purchase benefits offered by a provider and available for employees on the platform.
Opportunity to receive an annual discretionary incentive award
Special offers and discounts for employees
Copy and paste the URL below into a new tab on your web browser to view the Remuneration Regulations extract: https://tbcdn.talentbrew.com/company/287/cms/v3/docs/policies/RemunerationRegulations-KeyProvisions-CitibankEurope_plc_05012025_A.pdf
Alongside these benefits Citi is committed to ensuring our workplace is where everyone feels comfortable coming to work as their whole self every day. We want the best talent around the world to be energized to join us, motivated to stay, and empowered to thrive.
Sounds like Citi has everything you need? Then apply to discover the true extent of your capabilities.
#LI-KK1
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Job Family Group:
Technology------------------------------------------------------
Job Family:
Applications Development------------------------------------------------------
Time Type:
Full time------------------------------------------------------
Primary Location Full Time Salary Range:
zł268,390.00 - zł457,010.00------------------------------------------------------
Most Relevant Skills
Please see the requirements listed above.------------------------------------------------------
Other Relevant Skills
For complementary skills, please see above and/or contact the recruiter.------------------------------------------------------
Automated Processing and AI
We use automated processing, including artificial intelligence, for our legitimate business interests (or our reasonable and appropriate business purposes) to identify and align the candidate's skills and abilities with a specific job opening. Additionally, if you so choose, or consent, we can match your skills and abilities to other suitable roles at Citi.
Importantly, all our hiring processes and decisions, including determining your suitability for a role, are conducted, checked, and decided by individuals. Our automated processing and AI do not involve relying on automatic or autonomous decision-making. Please refer to any Jurisdictional Considerations, with specific provisions for your country (where relevant) for further details.
------------------------------------------------------
This job opening is for an existing job vacancy.
------------------------------------------------------
Citi is an equal opportunity employer, and qualified candidates will receive consideration without regard to their race, color, religion, sex, sexual orientation, gender identity, national origin, disability, status as a protected veteran, or any other characteristic protected by law.
If you are a person with a disability and need a reasonable accommodation to use our search tools and/or apply for a career opportunity review Accessibility at Citi.
View Citi’s EEO Policy Statement and the Know Your Rights poster.
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Responsibilities: Monitor and control all phases of development process and analysis, design, construction, testing, and implementation as well as provide user and operational support on applications to business users Recommend and develop security measures in post implementation analysis of business usage to ensure successful system design and functionality Consult with users/clients and other technology groups on issues, recommend advanced programming solutions, and install and assist customer exposure systems Ensure essential procedures are followed and help define operating standards and processes Has the ability to operate with a limited level of direct supervision. Can exercise independence of judgement and autonomy. Acts as SME to senior stakeholders and /or other team members. Appropriately assess risk when business decisions are made, demonstrating particular consideration for the firm's reputation and safeguarding Citigroup, its clients and assets, by driving compliance with applicable laws, rules and regulations, adhering to Policy, applying sound ethical judgment regarding personal behavior, conduct and business practices, and escalating, managing and reporting control issues with transparency. Qualifications: 5-8 years of experience in modern Java development with strong Spring Boto and Microservices Experience in systems analysis and programming of software applications Excellent understanding of distributed system design, data structures and algorithms Experience with high availability, resiliency, and low-latency applications (a plus) Familiarity with Kafka, Docker, Kubernetes, ELK, and SQL (a big plus) Bachelor’s degree/University degree or equivalent experience What we can offer you: By joining Citi Solutions Center Poland, you will not only be part of a business casual workplace with a hybrid working model (currently up to 2 days working at home per week), but also (potentially, subject to final offer) receive a competitive base salary and enjoy a whole host of additional benefits which can include: Employer paid Defined Contribution Pension Plan contribution of 6% of employee’s pensionable earnings (PPE Program) Employer paid Private Medical Care Package for employees and Private Medical Care Packages for certain family members available at preferential rates Employer paid Life Insurance Program for employees and Life Insurance for certain family members available at preferential rates Employee Assistance Program financed by Employer Paid Parental Leave Program (maternity and paternity leave; statutory and 2 weeks additional paid paternity leave) Sport Card for employees subsidized via Social Benefits Fund and Sport Cards for certain family members available at preferential rates Additional benefits from Company’s Social Benefit Fund, in particular: Holidays Allowance, support for sport and cultural activities, team building events. Additional day off for volunteering Cafeteria/ flex benefit – a company benefits system which enables employees to select and purchase benefits offered by a provider and available for employees on the platform. Opportunity to receive an annual discretionary incentive award Special offers and discounts for employees Copy and paste the URL below into a new tab on your web browser to view the Remuneration Regulations extract: https://tbcdn.talentbrew.com/company/287/cms/v3/docs/policies/RemunerationRegulations-KeyProvisions-CitibankEurope_plc_05012025_A.pdf Alongside these benefits Citi is committed to ensuring our workplace is where everyone feels comfortable coming to work as their whole self every day. We want the best talent around the world to be energized to join us, motivated to stay, and empowered to thrive. Sounds like Citi has everything you need? Then apply to discover the true extent of your capabilities. #LI-KK1 This job description provides a high-level review of the types of work performed. Other job-related duties may be assigned as required. ------------------------------------------------------ Job Family Group: Technology ------------------------------------------------------ Job Family: Applications Development ------------------------------------------------------ Time Type: Full time ------------------------------------------------------ Primary Location Full Time Salary Range: 189 660,00 zł - 322 940,00 zł ------------------------------------------------------ Most Relevant Skills Please see the requirements listed above. ------------------------------------------------------ Other Relevant Skills For complementary skills, please see above and/or contact the recruiter. ------------------------------------------------------ Automated Processing and AI We use automated processing, including artificial intelligence, for our legitimate business interests (or our reasonable and appropriate business purposes) to identify and align the candidate's skills and abilities with a specific job opening. Additionally, if you so choose, or consent, we can match your skills and abilities to other suitable roles at Citi. Importantly, all our hiring processes and decisions, including determining your suitability for a role, are conducted, checked, and decided by individuals. Our automated processing and AI do not involve relying on automatic or autonomous decision-making. Please refer to any Jurisdictional Considerations, with specific provisions for your country (where relevant) for further details. ------------------------------------------------------ This job opening is for an existing job vacancy. ------------------------------------------------------ Citi is an equal opportunity employer, and qualified candidates will receive consideration without regard to their race, color, religion, sex, sexual orientation, gender identity, national origin, disability, status as a protected veteran, or any other characteristic protected by law. If you are a person with a disability and need a reasonable accommodation to use our search tools and/or apply for a career opportunity review Accessibility at Citi . View Citi’s EEO Policy Statement and the Know Your Rights poster.
Technology
Citigroup
Java Developer
Senior
Hybrid
Warsaw, Poland
189,660 - 322,940 PLN/yr
🏢 Summary: Senior Java Developer role within a Risk Technology team delivering and maintaining risk solutions for Rates and FX trading desks in a global investment banking environment. The position involves full lifecycle development of distributed, high‑performance applications and close collaboration with business users and technology teams. The role includes ownership of system design, implementation, support, and adherence to risk and compliance standards. 🗂️ Requirements: 5-8 years of experience in modern Java development, Strong experience with Spring Boot and Microservices, Experience in systems analysis and software application programming, Understanding of distributed systems design, Knowledge of data structures and algorithms, Ability to design high-availability and resilient systems, Experience supporting and maintaining production applications, Bachelor’s degree or equivalent experience 📃 Skills: Java, Spring, SpringBoot, Microservices, DistributedSystems, DataStructures, Algorithms, Kafka, Docker, Kubernetes, ELK, SQL 🏢 Description: Are you looking for a career move that will put you at the heart of a global financial institution? Then bring your skills in software development to Citi’s Risk Technology Team. By Joining Citi, you will become part of a global organisation whose mission is to serve as a trusted partner to our clients by responsibly providing financial services that enable growth and economic progress. Team/Role Overview Risk Technology is focused on delivering solutions to the Rates Trading desks. This team develops and maintains a complete suite of Risk technology solutions, for both the Rates and FX (including Derivatives) Businesses. This role will provide a unique opportunity to gain exposure to different asset classes in a Tier 1 investment bank working with a global team with a client base spanning 70+ countries. Responsibilities: Monitor and control all phases of development process and analysis, design, construction, testing, and implementation as well as provide user and operational support on applications to business users Recommend and develop security measures in post implementation analysis of business usage to ensure successful system design and functionality Consult with users/clients and other technology groups on issues, recommend advanced programming solutions, and install and assist customer exposure systems Ensure essential procedures are followed and help define operating standards and processes Has the ability to operate with a limited level of direct supervision. Can exercise independence of judgement and autonomy. Acts as SME to senior stakeholders and /or other team members. Appropriately assess risk when business decisions are made, demonstrating particular consideration for the firm's reputation and safeguarding Citigroup, its clients and assets, by driving compliance with applicable laws, rules and regulations, adhering to Policy, applying sound ethical judgment regarding personal behavior, conduct and business practices, and escalating, managing and reporting control issues with transparency. Qualifications: 5-8 years of experience in modern Java development with strong Spring Boto and Microservices Experience in systems analysis and programming of software applications Excellent understanding of distributed system design, data structures and algorithms Experience with high availability, resiliency, and low-latency applications (a plus) Familiarity with Kafka, Docker, Kubernetes, ELK, and SQL (a big plus) Bachelor’s degree/University degree or equivalent experience What we can offer you: By joining Citi Solutions Center Poland, you will not only be part of a business casual workplace with a hybrid working model (currently up to 2 days working at home per week), but also (potentially, subject to final offer) receive a competitive base salary and enjoy a whole host of additional benefits which can include: Employer paid Defined Contribution Pension Plan contribution of 6% of employee’s pensionable earnings (PPE Program) Employer paid Private Medical Care Package for employees and Private Medical Care Packages for certain family members available at preferential rates Employer paid Life Insurance Program for employees and Life Insurance for certain family members available at preferential rates Employee Assistance Program financed by Employer Paid Parental Leave Program (maternity and paternity leave; statutory and 2 weeks additional paid paternity leave) Sport Card for employees subsidized via Social Benefits Fund and Sport Cards for certain family members available at preferential rates Additional benefits from Company’s Social Benefit Fund, in particular: Holidays Allowance, support for sport and cultural activities, team building events. Additional day off for volunteering Cafeteria/ flex benefit – a company benefits system which enables employees to select and purchase benefits offered by a provider and available for employees on the platform. Opportunity to receive an annual discretionary incentive award Special offers and discounts for employees Copy and paste the URL below into a new tab on your web browser to view the Remuneration Regulations extract: https://tbcdn.talentbrew.com/company/287/cms/v3/docs/policies/RemunerationRegulations-KeyProvisions-CitibankEurope_plc_05012025_A.pdf Alongside these benefits Citi is committed to ensuring our workplace is where everyone feels comfortable coming to work as their whole self every day. We want the best talent around the world to be energized to join us, motivated to stay, and empowered to thrive. Sounds like Citi has everything you need? Then apply to discover the true extent of your capabilities. #LI-KK1 This job description provides a high-level review of the types of work performed. Other job-related duties may be assigned as required. ------------------------------------------------------ Job Family Group: Technology ------------------------------------------------------ Job Family: Applications Development ------------------------------------------------------ Time Type: Full time ------------------------------------------------------ Primary Location Full Time Salary Range: 189 660,00 zł - 322 940,00 zł ------------------------------------------------------ Most Relevant Skills Please see the requirements listed above. ------------------------------------------------------ Other Relevant Skills For complementary skills, please see above and/or contact the recruiter. ------------------------------------------------------ Automated Processing and AI We use automated processing, including artificial intelligence, for our legitimate business interests (or our reasonable and appropriate business purposes) to identify and align the candidate's skills and abilities with a specific job opening. Additionally, if you so choose, or consent, we can match your skills and abilities to other suitable roles at Citi. Importantly, all our hiring processes and decisions, including determining your suitability for a role, are conducted, checked, and decided by individuals. Our automated processing and AI do not involve relying on automatic or autonomous decision-making. Please refer to any Jurisdictional Considerations, with specific provisions for your country (where relevant) for further details. ------------------------------------------------------ This job opening is for an existing job vacancy. ------------------------------------------------------ Citi is an equal opportunity employer, and qualified candidates will receive consideration without regard to their race, color, religion, sex, sexual orientation, gender identity, national origin, disability, status as a protected veteran, or any other characteristic protected by law. If you are a person with a disability and need a reasonable accommodation to use our search tools and/or apply for a career opportunity review Accessibility at Citi . View Citi’s EEO Policy Statement and the Know Your Rights poster.
Technology
Citigroup
Java Lead Simpliciti Data
Senior
Hybrid
Warsaw, Poland
268,390 - 457,010 PLN/yr
🏢 Summary: Senior Java Developer role within Risk Technology, delivering and maintaining risk solutions for Rates and FX trading desks in a global investment banking environment. The position focuses on designing, building, and supporting distributed, low-latency systems using modern Java and microservices architecture. The role includes system analysis, implementation, and acting as a technical SME for stakeholders. 🗂️ Requirements: 8+ years of experience in Java development, Strong experience with Spring Boot, Experience with Microservices architecture, Experience in systems analysis and software application programming, Understanding of distributed system design, Knowledge of data structures and algorithms, Experience with Kafka, Experience with Docker, Experience with Kubernetes, Experience with SQL databases, Experience with MongoDB, Bachelor’s degree or equivalent experience 📃 Skills: Java, Spring, SpringBoot, Microservices, Kafka, Docker, Kubernetes, SQL, MongoDB, DistributedSystems, Algorithms, DataStructures 🏢 Description: Are you looking for a career move that will put you at the heart of a global financial institution? Then bring your skills in software development to Citi’s Risk Technology Team. By Joining Citi, you will become part of a global organization whose mission is to serve as a trusted partner to our clients by responsibly providing financial services that enable growth and economic progress. Team/Role Overview Risk Technology is focused on delivering solutions to the Rates Trading desks. This team develops and maintains a complete suite of Risk technology solutions, for both the Rates and FX (including Derivatives) Businesses. This role will provide a unique opportunity to gain exposure to different asset classes in a Tier 1 investment bank working with a global team with a client base spanning 70+ countries. Responsibilities: Monitor and control all phases of development process and analysis, design, construction, testing, and implementation as well as provide user and operational support on applications to business users Recommend and develop security measures in post implementation analysis of business usage to ensure successful system design and functionality Consult with users/clients and other technology groups on issues, recommend advanced programming solutions, and install and assist customer exposure systems Ensure essential procedures are followed and help define operating standards and processes Has the ability to operate with a limited level of direct supervision. Can exercise independence of judgement and autonomy. Acts as SME to senior stakeholders and /or other team members. Appropriately assess risk when business decisions are made, demonstrating particular consideration for the firm's reputation and safeguarding Citigroup, its clients and assets, by driving compliance with applicable laws, rules and regulations, adhering to Policy, applying sound ethical judgment regarding personal behaviour, conduct and business practices, and escalating, managing and reporting control issues with transparency. Qualifications: 8+ years of experience in modern Java development with strong Spring Boot and Microservices Experience in systems analysis and programming of software applications Excellent understanding of distributed system design, data structures and algorithms Experience with Kafka, Docker, Kubernetes, SQL, MongoDB Experience with high availability, resiliency, and low-latency applications (a plus) Bachelor’s degree/University degree or equivalent experience What we can offer you: By joining Citi Solutions Center Poland, you will not only be part of a business casual workplace with a hybrid working model (currently up to 2 days working at home per week), but also (potentially, subject to final offer) receive a competitive base salary and enjoy a whole host of additional benefits which can include: Employer paid Defined Contribution Pension Plan contribution of 6% of employee’s pensionable earnings (PPE Program) Employer paid Private Medical Care Package for employees and Private Medical Care Packages for certain family members available at preferential rates Employer paid Life Insurance Program for employees and Life Insurance for certain family members available at preferential rates Employee Assistance Program financed by Employer Paid Parental Leave Program (maternity and paternity leave; statutory and 2 weeks additional paid paternity leave) Sport Card for employees subsidized via Social Benefits Fund and Sport Cards for certain family members available at preferential rates Additional benefits from Company’s Social Benefit Fund, in particular: Holidays Allowance, support for sport and cultural activities, team building events. Additional day off for volunteering Cafeteria/ flex benefit – a company benefits system which enables employees to select and purchase benefits offered by a provider and available for employees on the platform. Opportunity to receive an annual discretionary incentive award Special offers and discounts for employees Copy and paste the URL below into a new tab on your web browser to view the Remuneration Regulations extract: https://tbcdn.talentbrew.com/company/287/cms/v3/docs/policies/RemunerationRegulations-KeyProvisions-CitibankEurope_plc_05012025_A.pdf Alongside these benefits Citi is committed to ensuring our workplace is where everyone feels comfortable coming to work as their whole self every day. We want the best talent around the world to be energized to join us, motivated to stay, and empowered to thrive. Sounds like Citi has everything you need? Then apply to discover the true extent of your capabilities. #LI-KK1 This job description provides a high-level review of the types of work performed. Other job-related duties may be assigned as required. ------------------------------------------------------ Job Family Group: Technology ------------------------------------------------------ Job Family: Applications Development ------------------------------------------------------ Time Type: Full time ------------------------------------------------------ Primary Location Full Time Salary Range: 268 390,00 zł - 457 010,00 zł ------------------------------------------------------ Most Relevant Skills Please see the requirements listed above. ------------------------------------------------------ Other Relevant Skills For complementary skills, please see above and/or contact the recruiter. ------------------------------------------------------ Automated Processing and AI We use automated processing, including artificial intelligence, for our legitimate business interests (or our reasonable and appropriate business purposes) to identify and align the candidate's skills and abilities with a specific job opening. Additionally, if you so choose, or consent, we can match your skills and abilities to other suitable roles at Citi. Importantly, all our hiring processes and decisions, including determining your suitability for a role, are conducted, checked, and decided by individuals. Our automated processing and AI do not involve relying on automatic or autonomous decision-making. Please refer to any Jurisdictional Considerations, with specific provisions for your country (where relevant) for further details. ------------------------------------------------------ This job opening is for an existing job vacancy. ------------------------------------------------------ Citi is an equal opportunity employer, and qualified candidates will receive consideration without regard to their race, color, religion, sex, sexual orientation, gender identity, national origin, disability, status as a protected veteran, or any other characteristic protected by law. If you are a person with a disability and need a reasonable accommodation to use our search tools and/or apply for a career opportunity review Accessibility at Citi . View Citi’s EEO Policy Statement and the Know Your Rights poster.
Technology
Citigroup
Network Engineer - Infrastructure Change Oversight
Senior
Hybrid
Warsaw, Poland
241,750 - 411,650 PLN/yr
🏢 Summary: The role focuses on managing and overseeing infrastructure and network changes to ensure safe execution and minimal impact on business operations. It involves evaluating, monitoring, and coordinating high-risk network changes while collaborating with infrastructure and application teams in a large-scale enterprise environment. The position also supports root-cause analysis, problem management, and continuous process improvement within network operations. 🗂️ Requirements: 5-7 years of experience in Network Engineering or Network Operations, Experience with enterprise-level network services, Experience with network change management and risk assessment, Knowledge of network protocols and TCP/IP communications, Experience with network vendor equipment configuration, Experience with root-cause analysis and problem management, Understanding of distributed and cloud platform architectures, Bachelor’s degree or equivalent experience 📃 Skills: Cisco, Nexus, Arista, Juniper, F5, Citrix, Checkpoint, PaloAlto, TCP/IP, IPv4, QoS, IPSEC, VPN, OSPF, EIGRP, BGP, DHCP, DNS, FTP, TFTP, IaaS, PaaS, SaaS, ECS, Andromeda, ServiceNow 🏢 Description: Citi, the leading global bank, has approximately 200 million customer accounts and does business in more than 160 countries and jurisdictions. Our mission is to serve as a trusted partner to our clients by responsibly providing financial services that enable growth and economic progress. We strive to earn and maintain our clients’ and the public’s trust by constantly adhering to the highest ethical standards and making a positive impact on the communities we serve. Citi’s USCC & Wealth business is building a purpose-driven team to serve its globally diverse, digitally forward customers in top cities around the world. We’re looking for exceptional candidates who think digitally and differently, resolve problems in unconventional ways and strive to provide a remarkable experience for our clients. Overview of the Role Citi’s USCC & Wealth Production Management organization serves the global suite of products providing a full range of innovative and comprehensive set of services. Our businesses also offer industry-leading advanced technology, a strong worldwide presence and a powerful global franchise. The USCC & Wealth Infrastructure Change Management team reviews all infrastructure changes submitted by our Foundational Services partners. This position will require the ability to understand the potential impact of documented changes on the overall availability of the network with a focus on ensuring safe change execution. Additionally, the position will monitor high-risk network change activities during execution and facilitate immediate notification for any unplanned impacts. This role will also partner with the Foundational Services teams to facilitate large scale project initiatives and assist with planning and execution. Responsibilities Evaluate network changes to identify changes that might conflict with other planned infrastructure or application changes. When applicable, propose modifications to timing or other details in the change record to mitigate risk and ensure the change is successful. Document decisions regarding network changes within change tracker. Ensure required controls and processes are in place to maintain business continuity during network changes. Work with both infrastructure and application teams to develop an agreed upon execution plan for higher risk changes. Participate in change monitoring and oversight during weekend implementation green zones. Collaborate with Network teams on large scale network initiatives (EOVS refresh, platform upgrades, and new build-outs). Track and perform root-cause analysis of application impacts caused by network changes. Participate in Problem Management reviews of network change caused major incidents. Review network change failure root-causes and collaborate with the Foundational Services teams to make process improvements. Participate in discussions regarding the ServiceNow SaaS Risk Calculator and make recommendations for improvements. Qualifications: 5-7 years of experience in a Network Engineering or Network Operations role. Understanding of network services used by large financial organizations. Proven track record of operational process improvements. Ability to work independently, multi-task, and take ownership. Ability to work in a matrix environment and partner with other technology teams. Ability to work under pressure and manage to tight deadlines. Able to effectively communicate with both management and technical personnel regarding network technology changes, and risks surrounding planned activities. Technical Skills: Familiarity with network vendor equipment configuration and operation (Cisco, Nexus, Arista, Juniper, F5, Citrix, Checkpoint, Palo Alto) Knowledge of enterprise TCP/IP communications (IPv4, QoS, IPSEC, VPN, etc.) Understanding of network protocols: (OSPF EIGRP BGP DHCP DNS FTP TFTP) Familiarity with various distributed platform architectures (IaaS, PaaS, SaaS) Knowledge of emerging container platforms (ECS/Andromeda/Bare Metal/Public Cloud) Education: Bachelor’s degree/University degree or equivalent experience We offer: By joining Citi Solutions Center Poland, you will not only be part of a business casual workplace with a hybrid working model (up to 2 days working at home per week), but also receive a competitive base salary (which is annually reviewed) and enjoy a whole host of additional benefits such as: Private Medical Care Program Life Insurance Program Pension Plan contribution (PPE Program) Employee Assistance Program Paid Parental Leave Program (maternity and paternity leave) Sport Card Holidays Allowance Sport and team recreation activities Special offers and discounts for employees Access to an array of learning and development resources A discretional annual performance related bonus A chance to make a difference with various affinity networks and charity initiatives Alongside these benefits Citi is committed to ensuring our workplace is where everyone feels comfortable coming to work as their whole self every day. We want the best talent around the world to be energized to join us, motivated to stay, and empowered to thrive. Sounds like Citi has everything you need? Then apply to discover the true extent of your capabilities. ------------------------------------------------------ Job Family Group: Technology ------------------------------------------------------ Job Family: Systems & Engineering ------------------------------------------------------ Time Type: Full time ------------------------------------------------------ Primary Location Full Time Salary Range: 241 750,00 zł - 411 650,00 zł ------------------------------------------------------ Most Relevant Skills Please see the requirements listed above. ------------------------------------------------------ Other Relevant Skills For complementary skills, please see above and/or contact the recruiter. ------------------------------------------------------ Automated Processing and AI We use automated processing, including artificial intelligence, for our legitimate business interests (or our reasonable and appropriate business purposes) to identify and align the candidate's skills and abilities with a specific job opening. Additionally, if you so choose, or consent, we can match your skills and abilities to other suitable roles at Citi. Importantly, all our hiring processes and decisions, including determining your suitability for a role, are conducted, checked, and decided by individuals. Our automated processing and AI do not involve relying on automatic or autonomous decision-making. Please refer to any Jurisdictional Considerations, with specific provisions for your country (where relevant) for further details. ------------------------------------------------------ This job opening is for an existing job vacancy. ------------------------------------------------------ Citi is an equal opportunity employer, and qualified candidates will receive consideration without regard to their race, color, religion, sex, sexual orientation, gender identity, national origin, disability, status as a protected veteran, or any other characteristic protected by law. If you are a person with a disability and need a reasonable accommodation to use our search tools and/or apply for a career opportunity review Accessibility at Citi . View Citi’s EEO Policy Statement and the Know Your Rights poster.
Technology
Citigroup
Senior Reliability Engineer
Senior
Hybrid
Warsaw, Poland
241,750 - 411,650 PLN/yr
🏢 Summary: Senior DevOps/SRE-focused software engineering role responsible for automating enterprise processes, integrating AI solutions (MCP), and enhancing system resiliency within large-scale CI/CD environments. The position involves building and maintaining scalable, low-latency systems, supporting SaaS migrations, and improving reliability through best practices and root cause analysis. The role combines software development, infrastructure automation, and AI-driven service integration in a global financial environment. 🗂️ Requirements: Senior-level software development experience, Proficiency in Python, Shell, Bash, Java or Go, Experience with CI/CD pipelines in enterprise environments, Hands-on experience deploying and scaling Model Context Protocol (MCP), Strong understanding of DevOps and SRE principles, Experience with large-scale enterprise infrastructure architecture, Ability to analyze and resolve production issues using root cause analysis, Experience building automation for manual and repetitive processes 📃 Skills: Python, Shell, Bash, Java, Go, CI/CD, MCP, Docker, GitHub, Bitbucket, Copilot, Devin, Jira, Confluence, Linux, Windows, Grafana, Splunk 🏢 Description: Are you looking for a career move that will put you at the heart of a global financial institution? Bring your passion for software development, process automation, and AI integration to Citi's Developer Services Team. By Joining Citi, you will become part of a global organization whose mission is to serve as a trusted partner to our clients by responsibly providing financial services that enable growth and economic progress. Team/Role Overview Citi Technology partners to ensure that Citi’s platforms can “Be the Best” for clients globally, with a diverse and ethical workforce that applies innovation and automation to deliver a world class client experience and strengthen our reputation. By utilizing a broad range of technologies, we are at the forefront of innovation. We seek to drive our systems and processes towards scalable, low-latency, high frequency enterprise systems to support Citi’s strategic priorities. The position is responsible for bringing DevOps/SRE (Site Reliability Engineering) mindset, practices and working together with the team of Developer Services engineers on automation of manual/repetitive processes, integration with AI tools, driving resiliency, supporting service migrations to SaaS and issue investigations with best practices proposals being deployed. What you’ll do You will work in an agile software development environment, developing quality and scalable software solutions using leading-edge technologies. You will work closely with developers, engineers and non-technology employees to help them be more productive with the use of the CI/CD tools, You may have exposure within the following tools/technologies/domains: CI/CD pipeline, Python, Bash, GitHub, Bitbucket, Docker, Copilot, Devin AI, Model Context Protocol, Jira, Confluence, OS (Win/Linux), Global Exposure: Work in globally scoped projects with cross-functional teams and gain insights into how technology drives the financial sector worldwide, You will collaborate with Citi Developer Services engineers to automate manual and repetitive processes, integrate services with AI (by building and maintaining MCP - Model Context Protocol servers), enhance system resiliency, and coordinate service issue investigations by deploying best practices, Automate manual activities, repetitive processes, reporting, controls, etc., configure and tune them, Build and maintain the foundational MCP servers that allows AI models to securely interact with enterprise systems, Continuously improve systems resiliency, reliability, and business cost - through a design and development of software solutions and streamlined processes, Mitigate risk by analyzing the root cause of production issues, impacts to business, and required corrective actions. What we’ll need from you Software senior developer, scripting in Python/Shell/Bash/Java/Go (a combination of it to be able to build MCP servers), Experience in CI/CD, in large enterprise tech-stack infra-architecture, Hands-on experience deploying and scaling the Model Context Protocol (MCP) in complex, enterprise environments, Understanding of SRE/DevOps/CI/CD, Strong analytical, algorithmic, and problem-solving skills, Excellent teamwork, proactive attitude, strong communication skills, both written and oral, Knowledge of Grafana/Splunk will be additional value. What we can offer you By joining Citi Solutions Center Poland, you will not only be part of a business casual workplace with a hybrid working model (currently up to 2 days working at home per week), but also (potentially, subject to final offer) receive a competitive base salary and enjoy a whole host of additional benefits which can include: Employer paid Defined Contribution Pension Plan contribution of 6% of employee’s pensionable earnings (PPE Program) Employer paid Private Medical Care Package for employees and Private Medical Care Packages for certain family members available at preferential rates Employer paid Life Insurance Program for employees and Life Insurance for certain family members available at preferential rates Employee Assistance Program financed by Employer Paid Parental Leave Program (maternity and paternity leave; statutory and 2 weeks additional paid paternity leave) Sport Card for employees subsidised via Social Benefits Fund and Sport Cards for certain family members available at preferential rates Additional benefits from Company’s Social Benefit Fund, in particular: Holidays Allowance, support for sport and cultural activities, team building events. Additional day off for volunteering Cafeteria/ flex benefit – a company benefits system which enables employees to select and purchase benefits offered by a provider and available for employees on the platform. Opportunity to receive an annual discretionary incentive award Special offers and discounts for employees Copy and paste the URL below into a new tab on your web browser to view the Remuneration Regulations extract: https://tbcdn.talentbrew.com/company/287/cms/v3/docs/policies/RemunerationRegulations-KeyProvisions-CitibankEurope_plc_05012025_A.pdf Alongside these benefits Citi is committed to ensuring our workplace is where everyone feels comfortable coming to work as their whole self every day. We want the best talent around the world to be energized to join us, motivated to stay, and empowered to thrive. Sounds like Citi has everything you need? Then apply to discover the true extent of your capabilities. ------------------------------------------------------ Job Family Group: Technology ------------------------------------------------------ Job Family: Systems & Engineering ------------------------------------------------------ Time Type: Full time ------------------------------------------------------ Primary Location Full Time Salary Range: zł241,750.00 - zł411,650.00 ------------------------------------------------------ Most Relevant Skills Please see the requirements listed above. ------------------------------------------------------ Other Relevant Skills For complementary skills, please see above and/or contact the recruiter. ------------------------------------------------------ Automated Processing and AI We use automated processing, including artificial intelligence, for our legitimate business interests (or our reasonable and appropriate business purposes) to identify and align the candidate's skills and abilities with a specific job opening. Additionally, if you so choose, or consent, we can match your skills and abilities to other suitable roles at Citi. Importantly, all our hiring processes and decisions, including determining your suitability for a role, are conducted, checked, and decided by individuals. Our automated processing and AI do not involve relying on automatic or autonomous decision-making. Please refer to any Jurisdictional Considerations, with specific provisions for your country (where relevant) for further details. ------------------------------------------------------ This job opening is for an existing job vacancy. ------------------------------------------------------ Citi is an equal opportunity employer, and qualified candidates will receive consideration without regard to their race, color, religion, sex, sexual orientation, gender identity, national origin, disability, status as a protected veteran, or any other characteristic protected by law. If you are a person with a disability and need a reasonable accommodation to use our search tools and/or apply for a career opportunity review Accessibility at Citi . View Citi’s EEO Policy Statement and the Know Your Rights poster.
Technology
Citigroup
Backend Java Developer
Mid
Hybrid
Warsaw, Poland
189,660 - 322,940 PLN/yr
🏢 Summary: Software Engineer role focused on designing, developing, and maintaining a mission-critical Margin Calculations and Reporting platform within Prime Finance Services. The position involves building scalable, high-performance financial systems using Java and microservices architecture in a global, agile environment. The role covers full software development lifecycle, from analysis and design to testing, deployment, and operational support. 🗂️ Requirements: 4-6 years of experience in systems analysis and software development, Strong proficiency in Core Java including collections, concurrency, and streams, Hands-on experience with Spring framework (Boot, MVC, Data), Experience with Hibernate and RESTful API development, Knowledge of Microservices architecture, Strong understanding of algorithms, data structures, and design patterns, Experience with TDD using JUnit and Mockito, Proficiency in SQL, Experience working in Linux environments, Experience with messaging systems such as JMS or Kafka, Experience with Docker and Kubernetes, Bachelor’s degree in Computer Science, Engineering, or related field 📃 Skills: Java, Spring, Hibernate, REST, Microservices, SQL, Linux, JMS, Kafka, Docker, Kubernetes, JUnit, Mockito, TDD, Algorithms, DataStructures, DesignPatterns 🏢 Description: Are you a highly skilled and motivated Software Engineer looking to make a significant impact in the dynamic world of finance? Join our cutting-edge technology team and play a pivotal role in developing and enhancing our proprietary “Margin Calculations and Reporting” Platform, a critical component of our Prime Finance Services organization. This is an exceptional opportunity to apply your technical expertise to complex, computing-intensive financial solutions within a collaborative and globally connected environment. This role is at the heart of our Prime Services division, where you will contribute to the evolution of a sophisticated margin calculation engine. This engine leverages a complex model and intricate business logic to provide leverage to clients and reduce risk for Citi, directly impacting our financial operations. As a Software Engineer, you will be instrumental in delivering end-to-end software solutions, ensuring scalability, performance, and robustness for our critical financial systems globally. Responsibilities: As a key member of our global development team, you will: Innovate & Develop: Design, develop, and implement robust and scalable application systems and programs for the Margin Calculation Services and reporting, aligning with strategic technology initiatives. Problem Solve: Consult with users, clients, and other technology groups on issues, and recommend programming solutions. Analyze complex technical and business challenges, and propose innovative solutions that enhance system functionality and business processes. Project work: Monitor and guide all phases of the software development lifecycle, from analysis and design through construction, testing, and implementation, ensuring timely and high-quality project delivery. Provide user and operational support on applications to business users Strategic Impact: Utilize your expertise in application development to make evaluative judgments, recommend security measures, and contribute to post-implementation analysis, ensuring optimal system design and functionality. Collaboration & Consultation: Partner closely with project managers, business stakeholders, and senior managers to translate complex business requirements into well-architected technical solutions. Consult with users and other technology groups, providing advanced programming insights and support. Operational Excellence: Ensure adherence to best practices and essential procedures. Autonomy & Ownership: Operate with a high degree of independence and judgment, taking ownership of critical initiatives and driving them to successful completion. Risk Management: Proactively assess and manage technical risks, demonstrating a strong commitment to regulatory compliance, ethical judgment, and transparent reporting of control issues. Qualifications: Overall Experience: 4-6 years in systems analysis and programming of software applications. Core Java Proficiency: Strong expertise in core Java, collections, concurrency, and streams. Frameworks & APIs: Deep experience with the Spring framework (Boot, MVC, Data, etc.), Hibernate, and RESTful API development. Architecture & Design: Excellent knowledge of Microservices architecture, algorithms, data structures, and design patterns. Testing & Development Practices: Proficient in Test-Driven Development (TDD) using frameworks like JUnit and Mockito. Database & OS: Solid understanding of SQL and comfortable working in Linux environments. Distributed Systems: Experience with messaging (JMS, Kafka), containerization (Docker, Kubernetes), and optionally distributed caches (Apache Gemfire). Methodology & Collaboration: Working knowledge of Agile project management and proven ability to collaborate effectively in a fast-paced, global team environment. Nice to Have: Prior experience or a keen interest in the financial services industry Ability to work under pressure and manage deadlines or unexpected changes in expectations or requirements Experience of working in fast paced environment Flexible and adaptive, team player Excellent analytical and communication, interpersonal skills. Education: Bachelor’s degree/University degree in Computer Science, Engineering, or a related field, or equivalent practical experience. What we can offer you: By joining Citi Solutions Center Poland, you will not only be part of a business casual workplace with a hybrid working model (currently up to 2 days working at home per week), but also (potentially, subject to final offer) receive a competitive base salary and enjoy a whole host of additional benefits which can include: Employer paid Defined Contribution Pension Plan contribution of 6% of employee’s pensionable earnings (PPE Program) Employer paid Private Medical Care Package for employees and Private Medical Care Packages for certain family members available at preferential rates Employer paid Life Insurance Program for employees and Life Insurance for certain family members available at preferential rates Employee Assistance Program financed by Employer Paid Parental Leave Program (maternity and paternity leave; statutory and 2 weeks additional paid paternity leave) Sport Card for employees subsidized via Social Benefits Fund and Sport Cards for certain family members available at preferential rates Additional benefits from Company’s Social Benefit Fund, in particular: Holidays Allowance, support for sport and cultural activities, team building events. Additional day off for volunteering Cafeteria/ flex benefit – a company benefits system which enables employees to select and purchase benefits offered by a provider and available for employees on the platform. Opportunity to receive an annual discretionary incentive award Special offers and discounts for employees Copy and paste the URL below into a new tab on your web browser to view the Remuneration Regulations extract: https://tbcdn.talentbrew.com/company/287/cms/v3/docs/policies/RemunerationRegulations-KeyProvisions-CitibankEurope_plc_05012025_A.pdf Alongside these benefits Citi is committed to ensuring our workplace is where everyone feels comfortable coming to work as their whole self every day. We want the best talent around the world to be energized to join us, motivated to stay, and empowered to thrive. Sounds like Citi has everything you need? Then apply to discover the true extent of your capabilities. #LI-KK1 ------------------------------------------------------ Job Family Group: Technology ------------------------------------------------------ Job Family: Applications Development ------------------------------------------------------ Time Type: Full time ------------------------------------------------------ Primary Location Full Time Salary Range: zł189,660.00 - zł322,940.00 ------------------------------------------------------ Most Relevant Skills Please see the requirements listed above. ------------------------------------------------------ Other Relevant Skills For complementary skills, please see above and/or contact the recruiter. ------------------------------------------------------ Automated Processing and AI We use automated processing, including artificial intelligence, for our legitimate business interests (or our reasonable and appropriate business purposes) to identify and align the candidate's skills and abilities with a specific job opening. Additionally, if you so choose, or consent, we can match your skills and abilities to other suitable roles at Citi. Importantly, all our hiring processes and decisions, including determining your suitability for a role, are conducted, checked, and decided by individuals. Our automated processing and AI do not involve relying on automatic or autonomous decision-making. Please refer to any Jurisdictional Considerations, with specific provisions for your country (where relevant) for further details. ------------------------------------------------------ This job opening is for an existing job vacancy. ------------------------------------------------------ Citi is an equal opportunity employer, and qualified candidates will receive consideration without regard to their race, color, religion, sex, sexual orientation, gender identity, national origin, disability, status as a protected veteran, or any other characteristic protected by law. If you are a person with a disability and need a reasonable accommodation to use our search tools and/or apply for a career opportunity review Accessibility at Citi . View Citi’s EEO Policy Statement and the Know Your Rights poster.
Technology
Citigroup
Full-Stack Developer (Java) - Enterprise Applications
Senior
Hybrid
Warsaw, Poland
165,020 - 280,980 PLN/yr
🏢 Summary: Full-stack developer role focused on designing, developing, and maintaining scalable enterprise web applications and microservices within a global financial environment. The position involves building robust business logic, efficient database models, and modern UI components while contributing to architecture and technology decisions. The role requires strong expertise in Java-based enterprise ecosystems and distributed systems. 🗂️ Requirements: Significant experience in Java and JavaEE, Proven experience in fullstack development, Hands-on experience with microservices architecture, Experience with JMS-based message systems, Strong knowledge of RESTful services, Experience with Oracle databases and complex SQL, Knowledge of ORM frameworks, Experience with J2EE application servers, Strong JavaScript-based UI development skills, Familiarity with build tools and version control systems, Understanding of testing principles, Bachelor degree in Computer Science or related field 📃 Skills: Java, JavaEE, Microservices, Solace, TIBCO, JMS, REST, Oracle, SQL, ORM, J2EE, Tomcat, WebSphere, JavaScript, Bootstrap, JQuery, HTML5, CSS3, Ajax, Eclipse, IntelliJ, Maven, Ant, Git, Angular, TypeScript, AppDynamics, BPM 🏢 Description: Are you looking for a career move that will put you at the heart of a global financial institution? The IDEAS department in Citi is looking for a talented, full-stack developer who can apply problem solving and design skills to enhance enterprise applications. By Joining Citi, you will become part of a global organisation whose mission is to serve as a trusted partner to our clients by responsibly providing financial services that enable growth and economic progress. Team/Role Overview Join a highly experienced development team with a proven track record of producing scalable, enterprise web applications. The IDEAS department is a global department in Citigroup that develops and supports a wide range of applications. What you’ll do Design, develop, and maintain scalable web applications and microservices, focusing on usability, performance, and resilience. Implement robust business logic and design efficient, scalable database models. Develop and enhance user experience (UX) components. Interact with an extended, global team of passionate, experienced software developers, architects, and business analysts. Influence technologies and practices and contribute to design discussions and problem-solving sessions. What we’ll need from you Significant experience in Core Java, Java EE, full-stack development, and proven experience in microservices architecture. Strong proficiency with enterprise message bus systems (e.g., Solace, TIBCO or other JMS-based systems) and deep knowledge of RESTful web services. Expertise in database design (Oracle 11+, writing complex SQL), ORM technologies, and J2EE application containers (e.g., Tomcat, WebSphere). Strong UI development skills, including JavaScript, Bootstrap, JQuery, HTML5, and CSS3/Ajax. Familiarity with modern development environments (IDEs like Eclipse, IntelliJ), build tools (Maven, Ant), version control (Git), unit, integration, and system testing principles, and security best practices. Excellent debugging and problem-solving skills, good verbal and written communication, and the ability to balance technical requirements with business needs in a global team. Bachelor's degree in Computer Science, a related technical field, or equivalent work experience. Desirable experience includes Business Process Management (BPM) tools, modern front-end frameworks (Angular/TypeScript), and performance monitoring tools (AppDynamics). Nice to have: Familiarity with AI tools would be an advantage What we can offer you By joining Citi Solutions Center Poland, you will not only be part of a business casual workplace with a hybrid working model (up to 2 days working at home per week), but also receive a competitive base salary (which is annually reviewed) and enjoy a whole host of additional benefits such as: Private Medical Care Program Life Insurance Program Pension Plan contribution (PPE Program) Employee Assistance Program Paid Parental Leave Program (maternity and paternity leave) Sport Card Holidays Allowance Sport and team recreation activities Special offers and discounts for employees Access to an array of learning and development resources A discretional annual performance related bonus A chance to make a difference with various affinity networks and charity initiatives Alongside these benefits Citi is committed to ensuring our workplace is where everyone feels comfortable coming to work as their whole self every day. We want the best talent around the world to be energized to join us, motivated to stay, and empowered to thrive. Sounds like Citi has everything you need? Then apply to discover the true extent of your capabilities. ------------------------------------------------------ Job Family Group: Technology ------------------------------------------------------ Job Family: Systems & Engineering ------------------------------------------------------ Time Type: Full time ------------------------------------------------------ Primary Location Full Time Salary Range: 165 020,00 zł - 280 980,00 zł ------------------------------------------------------ Most Relevant Skills Please see the requirements listed above. ------------------------------------------------------ Other Relevant Skills For complementary skills, please see above and/or contact the recruiter. ------------------------------------------------------ Automated Processing and AI We use automated processing, including artificial intelligence, for our legitimate business interests (or our reasonable and appropriate business purposes) to identify and align the candidate's skills and abilities with a specific job opening. Additionally, if you so choose, or consent, we can match your skills and abilities to other suitable roles at Citi. Importantly, all our hiring processes and decisions, including determining your suitability for a role, are conducted, checked, and decided by individuals. Our automated processing and AI do not involve relying on automatic or autonomous decision-making. Please refer to any Jurisdictional Considerations, with specific provisions for your country (where relevant) for further details. ------------------------------------------------------ This job opening is for an existing job vacancy. ------------------------------------------------------ Citi is an equal opportunity employer, and qualified candidates will receive consideration without regard to their race, color, religion, sex, sexual orientation, gender identity, national origin, disability, status as a protected veteran, or any other characteristic protected by law. If you are a person with a disability and need a reasonable accommodation to use our search tools and/or apply for a career opportunity review Accessibility at Citi . View Citi’s EEO Policy Statement and the Know Your Rights poster.