May 24, 2026
Full Stack Engineer
Senior • Hybrid
268,390 - 457,010 PLN/yr
Warsaw, Poland
Full Stack Engineer
Engineer the future of global finance. At Citi, our Tech team doesn’t just support finance – we are helping to redefine it. Every day, $5 trillion crosses through our network. We do business in 180+ countries operating at a scale few can match. From deploying advanced AI to helping shape global markets, we build systems that matter. Look to join a team where your work helps influence economies, your ideas can drive innovation and outcomes, and your growth is backed by mentorship, continuous learning and flexibility with potential hybrid work opportunities. Help solve real-world challenges that touch millions and get the opportunity to build the future of finance with Citi Tech.
Department Overview:
Equities Technology at Citi is undertaking a bold, multi‑year transformation to build a best‑in‑class global platform across execution, prime, clearing and cross‑product margining. We are re‑engineering our technology estate to achieve world‑leading performance and resiliency, enabling new capabilities in advanced execution, global market connectivity, and modernised post‑trade, clearing and margin processes. Our ambition is to deliver a seamlessly integrated, highly automated platform that drives outstanding client outcomes and accelerates growth across our global franchise. As part of the team, you’ll collaborate closely with high‑calibre engineers and deeply engaged business and product partners - working together to define and deliver the next generation of Equities technology at Citi.
Role Overview
Citi is seeking an accomplished and highly motivated Vice President (VP) level developer to join our Strategic Equity Solutions (SES) team. This role offers the opportunity to contribute to the creation of greenfield services focused on enhancing trader workflow tooling. As a key member of an agile, self-organizing team, you will have direct engagement with business users globally, offering substantial autonomy in technology decisions. Our team is committed to continuous delivery, owning the entire pipeline to production, and striving for frequent releases that drive immediate business value.
What will you do:
Design & Develop: Iteratively develop robust, high-performance software solutions from initial concept through to production deployment, directly impacting trader efficiency and capabilities.
Business Acumen & Product Ownership: Collaborate closely with business stakeholders, demonstrating a keen understanding of business drivers and a strong product owner mindset. You will translate complex requirements into technical specifications and innovative solutions that address critical trading needs. Functionally, this role will directly support the Strategic Equity Solutions (SES) business.
Code Excellence: Produce clean, efficient, and well-documented code, adhering to best practices and contributing to a high-quality codebase.
Engineering Leadership: Champion and share best engineering practices, foster a culture of continuous improvement, and mentor junior colleagues across the wider technology team. Technically, you will be an integral part of the ABS team.
Innovation & Adaptation: Proactively evaluate and integrate new technologies, including AI tooling, to maintain a leading edge in our solutions.
Full Lifecycle Ownership: Take ownership of the entire software development lifecycle, from design and development to testing, deployment, and monitoring in a DevOps-centric environment.
Key Skills and Experience:
We are looking for a versatile and experienced professional. This position can be tailored to a Full Stack Developer or a dedicated Backend Developer, depending on the candidate's core strengths and career aspirations.
Technology Skills Desired:
Backend Expertise (Mandatory for Backend Role, Highly Desired for Full Stack):
Strong proficiency in modern backend languages such as Java/Kotlin and/or Python.
Extensive experience with microservices architecture and developing scalable, resilient services.
Demonstrated experience deploying and managing applications within containerization platforms like Kubernetes and OpenShift.
Frontend Expertise:
Experienced in Python-based frontend frameworks (e.g., Dash, Streamlit, or other relevant Python web frameworks) would be desirable.
DevOps & Modern SDLC:
Deep understanding and practical application of DevOps principles, including CI/CD pipelines, automated testing, and trunk-based development.
A strong commitment to fully automated testing and continuous integration.
Experience on scrum ceremonies such as daily stand-up meetings, sprint planning
Domain Knowledge:
Prior experience with front office applications and an understanding of trading workflows, financial instruments, or market data will be a significant advantage.
Educational Background:
Bachelor’s degree or University degree in Computer Science, Engineering, or a related field, or equivalent practical experience in a similar role.
Benefits we can offer:
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 -OD1
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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.
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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
Lead Java Software Engineer - Prime Finance Risk & Business Intelligence
Senior
Hybrid
Warsaw, Poland
268,390 - 457,010 PLN/yr
🏢 Summary: Lead Java Engineer role focused on designing and delivering enterprise-scale, distributed backend systems for real-time financial risk analytics. The position combines hands-on development with technical leadership, driving architecture, performance optimization, and DevOps practices. You will build scalable, low-latency solutions using modern Java technologies within a message-driven, containerized environment. 🗂️ Requirements: 8+ years experience in enterprise-scale distributed backend development, Expert knowledge of Java 11+, Hands-on experience with Spring ecosystem, Strong SQL skills and experience with Microsoft SQL Server, Experience with message-driven architectures, Experience with Kafka or similar messaging systems, Experience with CI/CD tools and practices, Proficiency with Git version control, Experience with Docker and Kubernetes or OpenShift, Proven experience leading technical initiatives and mentoring engineers 📃 Skills: Java, Spring, SpringBoot, SpringSecurity, SQL, MicrosoftSQLServer, Kafka, RabbitMQ, Redis, ApachePinot, Git, Jenkins, Tekton, Docker, Kubernetes, OpenShift, Unix, Linux, Shell 🏢 Description: The Opportunity: Shape the Future of Financial Risk Analysis Join our team at the forefront of financial technology, where we build and maintain the critical platform for Prime Services Risk and Business Intelligence. Our systems are the analytical engine that empowers the firm to manage risk, serve our clients, and make data-driven decisions in a complex, fast-paced market. We are a global team of innovators and problem-solvers who design and operate sophisticated, computing-intensive solutions to analyze the risk profiles of our clients. This is not just another development role; this is a chance to work on a platform that is fundamental to the firm's stability and success. You will tackle challenging problems in distributed systems, real-time data processing, and financial analytics at scale. We are looking for a passionate and experienced Lead Java Engineer to not only contribute to our codebase but also to drive technical direction, mentor our team, and own the delivery of robust, scalable solutions. Key Responsibilities: As a Lead Engineer, you will be at the heart of our technical decision-making and delivery process. Architect & Build: Design, develop, and own end-to-end software solutions using Java and the Spring ecosystem. You will be responsible for creating services that are not only functional but also resilient, performant, and scalable. Lead & Mentor: Act as a technical leader within the team. Guide architectural discussions, lead sub-teams on complex projects, and actively mentor junior engineers through constructive code reviews and knowledge-sharing sessions. Drive Performance: Engineer high-throughput, low-latency systems. You will optimize applications for maximum speed, design efficient data models in Microsoft SQL Server, and implement intelligent caching strategies (e.g., Redis) to ensure our platform operates at peak performance. Embrace Real-Time Data: Harness the power of our message-driven architecture using Kafka. You will build and maintain data pipelines that feed our real-time analytics engine, powered by Apache Pinot, to deliver instantaneous insights to our business users. Champion DevOps & Automation: Contribute to and enhance our CI/CD pipelines, leveraging internal platforms and Git for seamless integration and deployment. You will deploy and manage applications on our OpenShift container platform, embracing a true DevOps culture. Integrate & Collaborate: Work across teams to integrate with a wide array of upstream data sources and downstream consumers. You will collaborate closely with project managers, business analysts, and senior stakeholders to translate complex requirements into well-architected technical solutions. Own & Support: Take ownership of the full application lifecycle, including providing critical application support. You will leverage your growing knowledge of margin methodology and risk analytics to troubleshoot and resolve production issues effectively. Qualifications: Extensive Backend Experience: 8+ years of professional experience designing, building, and deploying enterprise-scale, distributed backend systems. Java Expertise: Deep, hands-on knowledge of modern Java (11+) and the Spring ecosystem (Spring Boot, Spring Security, etc.). Database Proficiency: Strong command of SQL and experience with relational databases, particularly Microsoft SQL Server. You should be adept at writing optimized queries and designing efficient schemas. Messaging & Asynchronous Systems: Proven experience working in message-driven architectures with technologies like Kafka, RabbitMQ, or similar. Leadership & Mentorship: A demonstrated track record of leading technical initiatives, making architectural decisions, and mentoring other engineers. Your experience should show that you are a force multiplier for your team. DevOps Mindset: Solid experience with CI/CD principles and tools (e.g., Jenkins, Tekton), and version control with Git. Experience with containerization and orchestration (Docker, Kubernetes, OpenShift) is essential. Strong Communication: Excellent verbal and written communication skills, with the ability to articulate complex technical concepts to both technical and non-technical audiences. Preferred Qualifications (The "Wow" Factor): Financial Domain Knowledge: Experience or a strong interest in the Finance Sector, especially concepts related to Prime Finance, Counterparty Risk, or Market Risk. Advanced Education: An advanced degree (M.S. or Ph.D.) in Computer Science, Engineering, Mathematics, or a related quantitative field. Real-Time Analytics Experience: Hands-on experience with OLAP datastores like Apache Pinot. Scripting & Automation: Proficiency in Unix/Linux environments and shell scripting. Agile Experience: Experience working in a fast-paced, Agile/Scrum environment, managing priorities, and delivering under tight deadlines. What We Offer: Impactful Work: The opportunity to work on a business-critical platform that has a direct and measurable impact on the firm's bottom line and risk posture. Technical Challenges: A continuous stream of complex and intellectually stimulating challenges in the realms of distributed computing, big data, and financial modeling. Modern Tech Stack: Access to a modern, evolving tech stack with the freedom to innovate and introduce new technologies and patterns. Career Growth: A commitment to your professional development with a clear path for growth into senior technical leadership or management roles. Collaborative Culture: A supportive and collaborative global team that values diversity of thought, continuous learning, and mutual respect. Competitive Compensation: A competitive salary, performance-based bonus, and a comprehensive benefits package - details below. 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: 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
Backend Java Developer
Mid
Hybrid
Warsaw, Poland
189,660 - 322,940 PLN/yr
🏢 Summary: Software Engineer role focused on developing and enhancing a margin calculation and reporting platform for prime finance services using Java and microservices technologies. The position involves end-to-end software development, distributed systems, and collaboration with global teams to build scalable, high-performance financial applications. 🗂️ Requirements: 4-6 years of experience in systems analysis and software application programming, Strong expertise in Core Java, collections, concurrency, and streams, Experience with Spring framework including Boot, MVC, and Data, Experience with Hibernate and RESTful API development, Knowledge of Microservices architecture, algorithms, data structures, and design patterns, Proficiency in Test-Driven Development using JUnit and Mockito, Understanding of SQL and Linux environments, Experience with JMS, Kafka, Docker, and Kubernetes, Knowledge of Agile project management, Bachelor’s degree in Computer Science, Engineering, or related field 📃 Skills: Java, Spring, Hibernate, REST, Microservices, JUnit, Mockito, SQL, Linux, JMS, Kafka, Docker, Kubernetes, Gemfire, Agile 🏢 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-KK5 ------------------------------------------------------ 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. ------------------------------------------------------ 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
Reliability Engineer
Senior
On-site
Warsaw, Poland
165,020 - 280,980 PLN/yr
🏢 Summary: Senior SRE/DevOps role focused on automating manual processes, improving system resiliency, and supporting CI/CD tooling within a global financial environment. The position involves developing scalable software solutions, integrating AI-driven tools, and leading root cause analysis of production issues. The role operates in an agile environment with strong emphasis on reliability and automation. 🗂️ Requirements: Experience in Python scripting, Experience in Shell scripting, Understanding of SRE principles, Knowledge of DevOps practices, Experience with CI/CD pipelines and tools, Ability to automate manual and repetitive processes, Experience with production issue root cause analysis, Experience analyzing data to drive technical decisions 📃 Skills: Python, Bash, CI/CD, DevOps, SRE, GitHub, Bitbucket, Docker, Linux, Windows, Jira, Confluence 🏢 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, Continuously improve systems resiliency, reliability - 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 development experience scripting in Python/Shell, Understanding of SRE principles, DevOps, CI/CD pipeline and tools, Experience analyzing data to drive decisions, Strong analytical, algorithmic, and problem-solving skills, Excellent teamwork, proactive attitude, strong communication skills, both written and oral, Knowledge of Performance Testing tools like LoadRunner/Performance Center will be additional value, Knowledge of Grafana/Splunk and MCP 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. Engineer Senior Analyst – C12 : Dev Services SRE C12 The SRE Developer C12 is a position responsible for bringing SRE mindset, practices and working together with the team of Developer Services SRE engineers on automation of manual/repetitive processes, driving resiliency, coordinating service issue investigations with best practices proposals being deployed. • Automate manual activities, repetitive processes, reporting, controls, etc., configure and tune them, Continuously improve systems resiliency, reliability - 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, Qualifications: Software development experience scripting in Python/Shell Understanding of SRE principles, DevOps, CI/CD pipeline and tools Experience analyzing data to drive decisions. Strong analytical, algorithmic, and problem-solving skills. Excellent teamwork, proactive attitude, strong communication skills, both written and oral. Knowledge of Performance Testing tools like LoadRunner/Performance Center will be additional value. Knowledge of Grafana/Splunk and MCP will be additional value ------------------------------------------------------ Job Family Group: Technology ------------------------------------------------------ Job Family: Systems & Engineering ------------------------------------------------------ Time Type: Full time ------------------------------------------------------ Primary Location Full Time Salary Range: zł165,020.00 - zł280,980.00 ------------------------------------------------------ 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.
Technology
EPAM Systems
Senior Full Stack Engineer (Python + React + SQL)
Senior
Remote
Lodz, Poland
🏢 Summary: Senior Full Stack Engineer role focused on building and maintaining scalable end-to-end web applications in the financial industry using modern frontend and backend technologies. The position involves full-stack development, database optimization, API integration, AI-assisted coding tools, and collaboration with cross-functional and DevOps teams. The offer includes flexible remote work, professional development programs, certifications, and comprehensive benefits. 🗂️ Requirements: Bachelor's or Master's degree in Computer Science, Software Engineering or related field, 5+ years of experience as a Full Stack Engineer, Proficiency in React, Proficiency in JavaScript, Proficiency in Python, Experience with FastAPI, Flask or Django, Knowledge of SQL Server, Snowflake and PostgreSQL, Understanding of RESTful API design principles, Experience building and consuming APIs, Proficiency in Git, Strong knowledge of data structures and algorithms, Ability to troubleshoot and debug backend systems, Experience working in collaborative development environments, Communication and teamwork skills 📃 Skills: React, JavaScript, Python, FastAPI, Flask, Django, SQL, SQLServer, Snowflake, PostgreSQL, REST, Git, Cursor, Claude, Codex, MongoDB, Redis, AWS, Azure, GCP, Docker, Kubernetes 🏢 Description: We are seeking a skilled and versatile Senior Full Stack Engineer to join our dynamic development team, combining strong programming and data management expertise with familiarity with financial instruments. You will design, develop and maintain end-to-end software applications and systems, from frontend to backend, leveraging a modern technology stack to build scalable and high-quality solutions within the financial industry domain. Responsibilities Design, implement and optimize responsive, user-friendly web interfaces using the latest UI/UX technologies Develop and maintain server-side components of software applications Monitor and optimize performance, scalability and reliability of backend systems Collaborate with cross-functional teams including data engineers, product managers and designers to ensure seamless integration of frontend and backend components Write clean, efficient and well-documented code following best practices and coding standards Use AI coding agents such as Cursor, Claude Code and Codex Build and optimize database structures and queries for efficient data storage and retrieval Perform thorough testing and debugging to identify and resolve issues or bottlenecks Stay updated with industry trends and propose improvements to backend architecture and development processes Participate in code reviews to maintain code quality and mentor junior developers Partner with DevOps engineers to deploy and maintain applications in production environments Provide technical guidance and support to team members as needed Requirements Bachelor's or Master's degree in Computer Science, Software Engineering or a related field 5+ years of experience as a Full Stack Engineer developing scalable web applications, with strong proficiency in computer science fundamentals such as data structures and algorithms Proficiency in React, JavaScript and Python Experience with FastAPI, Flask or Django Knowledge of relational databases such as SQL Server, Snowflake and PostgreSQL Background in the Financial Industry or curiosity to learn and engage in Private Equity/Credit business domains Understanding of RESTful API design principles and experience building and consuming APIs Proficiency in Git and collaborative development workflows Strong problem-solving skills and ability to troubleshoot and debug complex backend issues Excellent communication and collaboration skills with the ability to work effectively in a team environment Nice to have Familiarity with NoSQL databases like MongoDB or Redis Knowledge of Accounting or Advent Geneva Understanding of Data Engineering tools and platforms such as data pipelines and data lakes Experience with cloud platforms like AWS, Azure or Google Cloud Platform and containerization technologies like Docker or Kubernetes Experience in bank loans/leveraged loans, fixed-income products, CLOs, derivatives, ABS and CMBS products We offer We gather like-minded people: Engineering community of industry professionals Friendly team and enjoyable working environment Flexible schedule and opportunity to work remotely within Poland Chance to work abroad for up to 60 days annually Business-driven relocation opportunities We provide growth opportunities: Outstanding career roadmap Leadership development, career advising, soft skills, and well-being programs Certification (GCP, Azure, AWS) Unlimited access to LinkedIn Learning, Get Abstract, Cloud Guru English classes We cover it all: Stable income (Employment Contract or B2B) Participation in the Employee Stock Purchase Plan Benefits package (health insurance, multisport, shopping vouchers) Strategically located offices featuring entertainment and relaxation zones, table tennis and football, free snacks, fantastic coffee, and more Referral bonuses Corporate, social and well-being events Please, note: The set of bonuses might vary based on the role you apply for – specifics will be discussed with our recruiter during the general interview. We will reach out to selected candidates exclusively. EPAM is a leading global provider of digital platform engineering and development services. We are committed to having a positive impact on our customers, our employees, and our communities. We embrace a dynamic and inclusive culture. Here you will collaborate with multi-national teams, contribute to a myriad of innovative projects that deliver the most creative and cutting-edge solutions, and have an opportunity to continuously learn and grow. No matter where you are located, you will join a dedicated, creative, and diverse community that will help you discover your fullest potential.