June 8, 2026

Network Engineer - Infrastructure Change Oversight

Senior • Hybrid

241,750 - 411,650 PLN/yr

Warsaw, Poland

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. 

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Job Family Group:

Technology

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Job Family:

Systems & Engineering

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Time Type:

Full time

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Primary Location Full Time Salary Range:

241 750,00 zł - 411 650,00 zł

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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.

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This job opening is for an existing job vacancy.

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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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The role emphasizes performance, resilience, and high-quality engineering practices. 🗂️ Requirements: 5+ years experience in Core Java and Java EE, Experience in full-stack development, Experience with microservices architecture, Proficiency with JMS-based message bus systems, Strong knowledge of RESTful web services, Experience with Oracle 11+ and complex SQL, Experience with ORM technologies, Experience with J2EE application containers, Strong JavaScript-based UI development skills, Familiarity with build tools and version control systems, Knowledge of unit and integration testing principles, Bachelor's degree in Computer Science or related field 📃 Skills: Java, JavaEE, Microservices, JMS, Solace, TIBCO, 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 5+ years of 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: 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

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.

Technology

Citigroup

Cloud Platform Engineer

Senior

Hybrid

Warsaw, Poland

🏢 Summary: The role involves designing and implementing secure, automated public cloud architectures across AWS, GCP, and Azure to support large-scale application hosting in a cloud-first environment. The position focuses on cloud-native modernization, CI/CD enablement, and leading engineering practices within agile teams. It includes technical leadership in building scalable, compliant, and highly automated infrastructure solutions. 🗂️ Requirements: 5+ years of application architecture and cloud-native modernization experience, 5+ years of experience in messaging, data, analytics, APIs, and service architectures, Experience with at least two public cloud platforms (AWS, GCP, Azure), Proficiency in Java and Python, Experience building CI/CD pipelines using Terraform and Harness, Experience as a technical lead in a specialist domain (e.g., containers or data platforms), Experience working in regulated industries with compliance and security controls, Experience designing cloud infrastructure (compute, storage, networking, databases, observability), Experience with DevOps practices and agile delivery methods, Ability to produce detailed technical design documentation 📃 Skills: AWS, GCP, Azure, Java, Python, Terraform, Harness, CI/CD, SDLC, Containers, Kubernetes, Cloud, DevOps, APIs, Messaging, Analytics, Databases, Networking, Storage, Observability, Agile 🏢 Description: Discover your future at Citi Working at Citi is far more than just a job. A career with us means joining a team of more than 230,000 dedicated people from around the globe. At Citi, you’ll have the opportunity to grow your career, give back to your community and make a real impact. Job Overview Citi’s Operations & Technology organization (O&T) is driving an innovative Cloud First strategy that works to optimize the IT environment, reduce complexity, and implement high degrees of automation to enable more agile application delivery. We aim to give Citi businesses a competitive edge by leveraging cloud scale architectures and enabling new infrastructure economics. O&T operates as a technology company focused on implementing scalable and innovative next gen technology solutions that will shape the future of global banking. The Public Cloud Engineer will implement cloud architecture (on AWS, GCP and Azure) that enables the infrastructure (compute, database network, storage, observability) required for application hosting in public cloud using Citi’s engineering processes and best practices, with particular emphasis on automation and security by design. Experience essentials (Non-negotiable): Developer experience across multiple languages – Java, Python etc. Cloud platforms, more than once cloud AWS, GCP or Azure, Has built CICD / SDLC pipelines for example Terraform and Harness Performed as tech lead within a specialist domain eg tech lead for container or data platforms 5+ years of application architecture and modernization (cloud native) 5+ years of messaging, data, analytics, api, service and data mesh Experience of working in regulator governed industries, good overall understanding of compliance and security controls Additionally: Enabled application teams to transform working practice and adopt devop culture. Able to deliver detailed design and other associated documentation Excellent stake holder engagement skills, able to identify value opportunities Execution orientated, owns delivery end to end, works tirelessly for the customer Has experience of training / upskilling engineers, mentoring and leading engineering teams Expert in agile delivery methods, able to drive focus and flow of work in engineering teams Has worked in close alignment with product teams, and datacentre / ops teams to enable hybrid application architectures Characteristics: Can lead technology decisions and align team outcomes Enjoys mentoring and working with remote teams Outcome orientated, can self organize and help team members break down work Leads by example Proactive, grabs tickets and asks for help when needed Team orientated, ready to jump in and helpAgile, can context switch is prepared to pivot when needed Likes to solve problems, questions the why to understand the what. What you can expect: Massive scale, working to deliver one of the largest cloud programs in the world To engineer platforms and services across Google and AWS Working in an agile empowered team to solve complex problems Engineering emergent technologies  to create value across Citi 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.

Technology

Citigroup

Cloud Platform Engineer

Senior

Hybrid

Warsaw, Poland

🏢 Summary: The role involves designing and implementing secure, automated public cloud architectures across AWS, GCP, and Azure to support large-scale application hosting in a global banking environment. The position focuses on cloud-native modernization, CI/CD enablement, and leading technical initiatives within hybrid and regulated infrastructures. You will work in agile teams to deliver scalable, compliant, and highly automated cloud solutions. 🗂️ Requirements: 5+ years of application architecture and cloud-native modernization experience, Experience with at least two public cloud platforms (AWS, GCP, Azure), Strong development experience in Java and Python, Experience building CI/CD pipelines using Terraform and Harness, Experience as Tech Lead in a specialized domain (e.g., containers, data platforms), 5+ years of experience in messaging, data, analytics, APIs, and data mesh, Experience in regulated industries with understanding of compliance and security controls, Experience implementing DevOps practices and enabling agile delivery, Ability to design hybrid cloud architectures 📃 Skills: AWS, GCP, Azure, Java, Python, Terraform, Harness, CI/CD, SDLC, Containers, Kubernetes, Messaging, APIs, DataMesh, DevOps, Agile, Cloud, Networking, Databases, Observability 🏢 Description: Discover your future at Citi Working at Citi is far more than just a job. A career with us means joining a team of more than 230,000 dedicated people from around the globe. At Citi, you’ll have the opportunity to grow your career, give back to your community and make a real impact. Job Overview Citi’s Operations & Technology organization (O&T) is driving an innovative Cloud First strategy that works to optimize the IT environment, reduce complexity, and implement high degrees of automation to enable more agile application delivery. We aim to give Citi businesses a competitive edge by leveraging cloud scale architectures and enabling new infrastructure economics. O&T operates as a technology company focused on implementing scalable and innovative next gen technology solutions that will shape the future of global banking. The Public Cloud Engineer will implement cloud architecture (on AWS, GCP and Azure) that enables the infrastructure (compute, database network, storage, observability) required for application hosting in public cloud using Citi’s engineering processes and best practices, with particular emphasis on automation and security by design. Experience essentials (Non-negotiable): Developer experience across multiple languages – Java, Python etc. Cloud platforms, more than once cloud AWS, GCP or Azure, Has built CICD / SDLC pipelines for example Terraform and Harness Performed as tech lead within a specialist domain eg tech lead for container or data platforms 5+ years of application architecture and modernization (cloud native) 5+ years of messaging, data, analytics, api, service and data mesh Experience of working in regulator governed industries, good overall understanding of compliance and security controls Additionally: Enabled application teams to transform working practice and adopt devop culture. Able to deliver detailed design and other associated documentation Excellent stake holder engagement skills, able to identify value opportunities Execution orientated, owns delivery end to end, works tirelessly for the customer Has experience of training / upskilling engineers, mentoring and leading engineering teams Expert in agile delivery methods, able to drive focus and flow of work in engineering teams Has worked in close alignment with product teams, and datacentre / ops teams to enable hybrid application architectures Characteristics: Can lead technology decisions and align team outcomes Enjoys mentoring and working with remote teams Outcome orientated, can self organize and help team members break down work Leads by example Proactive, grabs tickets and asks for help when needed Team orientated, ready to jump in and helpAgile, can context switch is prepared to pivot when needed Likes to solve problems, questions the why to understand the what. What you can expect: Massive scale, working to deliver one of the largest cloud programs in the world To engineer platforms and services across Google and AWS Working in an agile empowered team to solve complex problems Engineering emergent technologies  to create value across Citi 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.

Technology

Citigroup

Apps Dev Tech Lead Analyst

Senior

Hybrid

Warsaw, Poland

268,390 - 457,010 PLN/yr

🏢 Summary: Hands-on Engineering Lead role focused on building and scaling a next-generation quantitative development platform for systematic trading and analytics across Equities Cash, Derivatives, and Prime. The position involves architecting event-driven backtesting systems, AI-powered data agents, and real-time analytics solutions in a production-grade environment. 🗂️ Requirements: Extensive experience delivering production-grade data-centric applications for quantitative trading and analytics, Strong expertise in Python data engineering stack, Experience with high-performance data stores and query engines, Experience with real-time streaming analytics technologies, Hands-on experience with cloud and container technologies, Experience building and deploying APIs and client libraries, Experience with generative AI prompt engineering and RAG pipelines, Full-stack HTML5 web development skills 📃 Skills: Python, Polars, Parquet, FastAPI, Jupyter, Airflow, Streamlit, Ray, Starburst, Snowflake, Kafka, Flink, AWS, Azure, GCP, Docker, Kubernetes, HTML5, Rust, C++, AI, RAG 🏢 Description: 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 ------------------------------------------------------ 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.

Technology

Citigroup

Java Developer

Senior

Hybrid

Warsaw, Poland

189,660 - 322,940 PLN/yr

🏢 Summary: Senior Java Developer role in Risk Technology focused on building and maintaining distributed risk solutions for Rates and FX trading desks. The position involves full lifecycle development of high-availability, low-latency systems and close collaboration with global stakeholders. The role requires technical leadership and independent decision-making in a Tier 1 investment banking environment. 🗂️ Requirements: 5-8 years of experience in Java development, Strong experience with Spring Boot, Experience with Microservices architecture, Experience in systems analysis and software programming, Knowledge of distributed system design, Understanding of data structures and algorithms, Experience building high-availability and low-latency systems, Familiarity with Kafka, Docker, Kubernetes, ELK, and SQL, Bachelor’s degree or equivalent experience 📃 Skills: Java, Spring, SpringBoot, Microservices, Kafka, Docker, Kubernetes, ELK, SQL, 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 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.