July 10, 2026
Senior Full-Stack developer - Java/JavaScript
Senior • Hybrid
268,390 - 457,010 PLN/yr
Warsaw, Poland
Develop and deliver end-to-end software solutions for the Prime Risk Analytics Platform. This team maintains systems that help Prime Finance analyze the risk of clients and potential clients through sophisticated automated solutions. The role requires strong technology expertise and collaboration with a global team of developers to deliver scalable solutions in the Prime Finance area.
Responsibilities
- Develop and enhance user interfaces using Angular/TypeScript with charting frameworks like Highcharts and D3.js
- Write unit test cases using Jasmine/Karma and automated front-end tests using Selenium or similar tools
- Develop and enhance backend applications using Spring Boot
- Optimize applications for maximum speed and scalability
- Participate in code reviews and mentor junior team members
- Manage the release process using ServiceNow and provide application support leveraging knowledge of margin methodology and risk analytics
- Maintain Microsoft SQL Server databases
- Contribute to CI/CD pipelines and configure Autosys based on job requirements
- Work with project managers, business teams, and senior managers to deliver scalable solutions
Requirements
General
- Minimum 8 years of experience in a similar role, preferably in the finance sector
- Master’s degree in a related field
- Excellent communication skills
- Experience working under tight deadlines in a fast-paced environment
- Experience working in English across multiple time zones
- Experience gathering requirements and presenting results to users
- Experience in margin and risk financial concepts
Technical
- Excellent knowledge of Angular, TypeScript, Highcharts, D3.js, HTML5, CSS
- Experience with front-end unit and end-to-end testing using Selenium
- Excellent Java knowledge for backend development
- Strong SQL knowledge, ideally with Microsoft SQL Server
- Experience with CI/CD tools and Git
- Extensive experience in message-driven environments
- Experience with ServiceNow for IT service management
- Experience configuring Autosys along with Unix and Korn shell scripting
Benefits
- Hybrid working model with up to 2 days remote work per week
- Competitive base salary and annual discretionary incentive award
- Employer-paid pension contribution program
- Private medical care packages for employees and eligible family members
- Employer-paid life insurance program
- Employee Assistance Program
- Paid parental leave program
- Subsidized sport card and social benefits
- Additional day off for volunteering
- Cafeteria and flexible benefits platform
- Employee discounts and special offers
The company uses automated processing and artificial intelligence to align candidate skills with job openings, while all hiring decisions are reviewed and made by individuals.
This job opening is for an existing job vacancy.
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Key responsibilities: Develop and enhance User Interfaces using Angular/TypeScript with charting frameworks like Highcharts and D3.js Write unit test cases (Jasmine/Karma) and automated front-end tests (Selenium or similar) Develop and enhance backend applications using Spring Boot Optimize applications for maximum speed and scalability Actively participate in code reviews, guide and mentor junior team members Manage the release process using ServiceNow and provide application support, leveraging knowledge of margin methodology and risk analytics Maintain Microsoft SQL Server database Contribute to building CI/CD pipelines and configure Autosys based on job requirements Requirements: General: Minimum 8 years of experience in a similar role – a plus if it’s in the Finance Sector Strong academic background with at least a master degree in a related field Excellent communication skills Track record of work under tight deadlines in a fast-paced environment Track record working in English across multiple time zones Experience working with users when gathering requirements and presenting work results Experience in Margin and Risk financial concepts Technical: Excellent knowledge of Angular/TypeScript, Highcharts, D3.js, HTML5, CSS, with experience in front-end unit and end-to-end testing (Selenium) Excellent Java knowledge for backend development Excellent SQL knowledge (ideally Microsoft SQL Server) Experience in working with and setting up Continuous Integration/Continuous Deployment tools, coupled with Git for version control Extensive experience working in message-driven environments Experience working with ServiceNow for IT service management Experience in working with and configuring Autosys, along with Unix and Korn shell scripting skills 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: 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. 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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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Warsaw, Poland
220 - 260 PLN
🏢 Summary: Senior engineer role focused on designing and implementing high‑performance, scalable frontend and full‑stack solutions for global ad delivery systems. The position emphasizes web performance optimization, observability, and monitoring (RUM and Synthetic) to improve critical user metrics. You will lead technical initiatives, build performance‑critical features, and ensure high code quality across JavaScript/TypeScript-based systems. 🗂️ Requirements: 8+ years of hands-on software engineering experience, Strong understanding of frontend development and internal browser mechanisms, Practical experience with web performance optimization techniques, Proficiency in JavaScript and TypeScript, Experience with modern frontend frameworks (React), Experience with build tools (Webpack or Vite), Knowledge of Internet protocols (DNS, HTTP, cookies), Experience monitoring and analyzing production systems, Understanding of full-stack architecture and backend APIs (Node.js, Python, or Java), Experience with CI/CD pipelines 📃 Skills: JavaScript, TypeScript, React, Node.js, Python, Java, Webpack, Vite, DNS, HTTP, cookies, CI/CD, RUM, Synthetic, caching, observability, APIs 🏢 Description: You will: Design and lead implementation of system changes that deliver high performance, scalability and observability for displaying and tracking ads world wide. Develop tools and optimizations to drive measurable improvements in critical user performance metrics. Implement and maintain high-quality frontend and full-stack solutions for displaying Ads globally, focusing on extreme performance and scalability. Develop monitoring systems (RUM and Synthetic) to track crucial metrics like reliability or viewability and use data to diagnose and resolve performance bottlenecks. Collaborate closely with Ads Layouts specialists and backend engineers to ensure smooth data flow and optimal architectural alignment for performance-critical features. Write, test, and deploy robust, efficient, and well-documented code in JavaScript/TypeScript/Python/Java, ensuring adherence to the highest coding and performance standards. Provide hands-on technical leadership: solving complex system challenges, participating in planning and scoping of projects, and ensuring the implementation of the highest coding standards through participation in code reviews. Requirements: 8+ years of hands-on experience in software engineering, including the understanding of Frontend Development and its internal mechanisms. Practical experience and strong understanding of Web Performance optimization techniques and advanced loading strategies (caching, asset delivery). Solid proficiency in JavaScript/TypeScript and modern frameworks like e.g., React. Experience with relevant build tooling (e.g., Webpack, Vite). Very good knowledge of fundamental Internet protocols and technologies (DNS, HTTP, cookies and others). Practical ability to observe, monitor and analyse the operation of production systems (and draw valuable conclusions from it). Good understanding of full-stack concepts, including working with backend APIs (Node.js, Python, or Java) and deployment/CI/CD pipelines. C1 level in English and Polish. Nice to have: Experience in the AdTech/Real Time Bidding space. Experience contributing to Real User Monitoring (RUM) systems. Selected technologies used: You will be working within a modern stack that includes JavaScript/TypeScript, React, Node.js, Python, and Java. We Offer: Projects focused on extreme performance and high code quality – solid code reviews are our standard. Collaboration within an interdisciplinary, self-sufficient team (including DevOps, database experts, backend developers, product designers, and QA engineers). Hardware and software tailored to your preferences (e.g., MacBook, AI tool licenses). Flexible working conditions – no core hours, fully remote cooperation possible. Apply now! You don't need to tick every box to apply. If you are passionate about software engineering or web performance, send us your CV, and we'll review it.
Technology
Sii
React Developer (f/m/x)
Senior
Hybrid
Poznan, Poland
900 - 1,200 PLN
🏢 Summary: Senior Frontend Engineer role focused on building and scaling a modern fintech platform for managing corporate spending. The position involves leading development of React and TypeScript-based SPA applications, integrating with microservices and APIs, and driving performance and architectural improvements. You will collaborate cross-functionally while mentoring engineers and shaping scalable front-end solutions in a cloud-native environment. 🗂️ Requirements: 5+ years professional software engineering experience, Strong commercial experience with React, Strong expertise in TypeScript, Advanced knowledge of modern JavaScript (ES6+), Experience building large-scale SPA applications, Experience designing scalable front-end architectures, Experience working with APIs and microservices-based systems, Hands-on experience with front-end testing (unit, integration, e2e), Experience with CI/CD pipelines, Experience with AWS, Experience with Kubernetes, Professional English proficiency (min. B2), Fluent Polish, Residence in Poland 📃 Skills: React, TypeScript, JavaScript, ES6, SPA, REST, GraphQL, Microservices, CI/CD, AWS, Kubernetes, Testing, SSR 🏢 Description: Join a team building a modern fintech platform that helps businesses manage company spending more efficiently. The project focuses on developing a financial product that enables seamless integration of financial tools—including corporate cards, expense management, and invoice processing—directly with partner ecosystems such as banks, accounting platforms, and HR systems. The platform empowers companies to automate financial operations, simplify reconciliation processes, and gain full real-time visibility into their spending. Your tasks Lead initiatives focused on designing, building, and maintaining scalable front-end applications primarily using React and TypeScript Build modern, performant, and intuitive user interfaces for key areas of the fintech platform Collaborate closely with cross-functional teams across backend engineering, product, and design to deliver scalable product solutions Integrate front-end applications with microservices-based architectures and APIs (REST / GraphQL) Analyze application performance and implement optimizations to ensure high responsiveness, reliability, and scalability Participate in code reviews, architecture discussions, and post-mortems while mentoring other engineers Proactively address technical debt and guide the team through technical challenges, refactoring initiatives, and architectural migrations Requirements At least 5 years of professional software engineering experience, including strong commercial experience with React Strong expertise in TypeScript, modern JavaScript (ES6+), and building large-scale SPA applications Solid experience designing scalable front-end architectures using component-based and modular design principles Experience working with APIs and distributed systems in microservices-based environments Hands-on experience with front-end testing frameworks (unit, integration, e2e) and observability/monitoring tools Previous work with CI/CD pipelines, cloud environments such as AWS, and container orchestration platforms like Kubernetes Strong problem-solving skills, ownership mindset, and passion for mentoring and elevating engineering teams Professional English proficiency - minimum B2 Fluent in Polish required Residing in Poland required Nice-to-have requirements Previous experience in fintech or building financial products Understanding of payments, cards, expense management, or accounting-related domains Experience working in a scale-up environment Experience with GraphQL, SSR, performance optimization, or building design systems What we offer Great Place to Work since 2015 - it’s thanks to feedback from our workers that we get this special title and constantly implement new ideas Employment stability - revenue of PLN 2.1BN, no debts, since 2006 on the market We share the profit with Workers - over PLN 76M has already been allocated for this aim since 2022 Attractive benefits package - private healthcare, benefits cafeteria platform, car discounts and more Comfortable workplace – class A offices or remote work Dozens of fascinating projects for prestigious brands from all over the world PLN 1 000 000 per year for your ideas - with this amount, we support the passions and voluntary actions of our workers Investment in your growth – meetups, webinars, training platform and technology blog – you choose Fantastic atmosphere created by all Sii Power People If you want to work on systems with high operational significance — apply now!
Technology
Upvanta sp. z o.o.
Senior Full Stack Developer (React & .NET Core) (m/k/n)
Senior
Remote
Wroclaw, Poland
900 - 1,150 USD
🏢 Summary: Senior Full Stack Developer role focused on building scalable, cloud-native applications using React on the frontend and C# .NET Core on the backend within capital markets risk domains. The position involves developing microservices, REST APIs, data pipelines with Python (PySpark), and enterprise Power BI solutions, while contributing to CI/CD, event-driven architectures, and cloud modernization initiatives. The role requires deep expertise in distributed systems and strong domain knowledge in credit and market risk. 🗂️ Requirements: 10+ years of professional software development experience, Strong expertise in React and JavaScript/TypeScript, Expert-level knowledge of C# and .NET Core, Experience building REST APIs and microservices, Hands-on experience with Python and PySpark for data processing, Extensive experience with Power BI dashboards, DAX, and data modeling, Strong knowledge of microservices and event-driven architectures, Experience with CI/CD pipelines and DevOps practices, Experience with Azure or AWS cloud platforms, Proficiency in SQL and relational databases, Experience with Docker and Kubernetes, Understanding of credit risk and market risk concepts in capital markets 📃 Skills: React, JavaScript, TypeScript, Redux, C#, .NET, REST, Python, PySpark, PowerBI, DAX, SQL, PostgreSQL, SQLServer, Docker, Kubernetes, Azure, AWS, Kafka, EventHub, Jenkins, GitHubActions 🏢 Description: About the Role We are seeking a highly experienced Senior Full Stack Developer with deep expertise in React on the frontend and C# .NET Core on the backend. The ideal candidate will have substantial hands-on experience developing scalable applications, strong exposure to cloud-native architectures, and a solid understanding of capital markets—particularly in credit risk and market risk domains. Experience with Python (pyspark) for data-driven workflows and a strong command of CI/CD, microservices, and event-driven architectures is essential. ________________________________________ Key Responsibilities • Design, develop, and maintain full stack applications using React, C#.NET Core, and supporting technologies. • Build high-performance backend services, RESTful APIs, and microservices with focus on scalability, maintainability, and resilience. • Develop responsive, modular, and accessible UI components using React and modern JS/TS patterns. • Collaborate closely with business stakeholders and risk domain experts to deliver solutions in credit risk, market risk, and related capital markets functions. • Work with Python (pyspark) for data transformation, data pipelines, and analytics workflows. • Develop, optimize, and maintain Power BI dashboards, data models, and analytical reports for business users. • Implement and optimize CI/CD pipelines, ensuring robust automated testing, deployment, and monitoring. • Architect and contribute to event-driven and distributed system designs using technologies such as Kafka, Event Hub, or similar. • Drive engineering best practices: code reviews, unit/integration testing, performance tuning, documentation. • Contribute to cloud migration and modernization initiatives, especially in Azure or AWS environments. • Mentor junior developers and collaborate within a cross-functional agile team. ________________________________________ Required Skills & Experience Technical Skills • 10+ years of professional software development experience. • Front-end: o Strong proficiency in React.js, JavaScript/TypeScript, Redux/RTK, hooks, and modern UI patterns. • Back-end: o Expertise in C# .NET Core, C#, REST APIs, Web APIs, and microservices-based development. • Python (pyspark): o Hands-on experience with distributed data processing, data pipelines, and analytic transformations. • Power BI: o Extensive experience developing dashboards, data models, DAX calculations, and enterprise-grade BI solutions. o Strong understanding of data modeling, performance tuning, and governance in Power BI. • Architecture: o Strong knowledge of microservices, API design, event-driven architectures, and distributed systems. • DevOps / CI/CD: o Experience with Azure DevOps, GitHub Actions, Jenkins, or similar. o Strong understanding of automated builds, testing, deployment, and monitoring. • Cloud Platforms: o Experience with Azure or AWS (Azure preferred). • Databases: o Proficiency with SQL Server, PostgreSQL, or other relational databases; NoSQL knowledge a plus. • Containerization: o Experience with Docker, Kubernetes, container orchestration. Domain Knowledge • Understanding of capital markets, specifically: o Credit risk (PD, LGD, EAD, credit exposure modeling, counterparty risk). o Market risk (VaR, sensitivities, stress testing, pricing concepts). • Familiarity with regulatory frameworks (e.g., Basel, FRTB, IFRS9) is a strong advantage. ________________________________________ Soft Skills • Strong analytical and problem solving abilities. • Excellent communication skills and ability to interact with technical and non-technical stakeholders. • Collaborative, agile mindset with experience in Scrum/Agile environments. • Ability to work independently and lead technical solutions end to end.
Technology
Citigroup
Java Developer with Kotlin
Senior
Hybrid
Warsaw, Poland
189,660 - 322,940 PLN/yr
🏢 Summary: Intermediate-level role focused on developing and enhancing the Core Prime Brokerage platform, contributing to application systems analysis, programming, and system reliability within an agile environment. The position involves building Java/Kotlin-based solutions, improving CI/CD and automated testing practices, and supporting production systems. It includes close collaboration with global teams and stakeholders to deliver scalable and reliable technology solutions. 🗂️ Requirements: 5-8 years of experience in software development, Strong experience in Java development, Experience with Test-Driven Development, Experience in systems analysis and application programming, Experience in implementing and delivering software projects, Bachelor’s degree or equivalent experience 📃 Skills: Java, Kotlin, TDD, Kubernetes, OpenShift, Kafka, Solace, TIBCO, SQL, SQLServer, Trino, MongoDB, S3, OpenTelemetry, ELK, Grafana, CI/CD 🏢 Description: The Applications Development Senior Programmer Analyst is an intermediate level position responsible for participation in the establishment and implementation of new or revised application systems and programs in coordination with the Technology team. The overall objective of this role is to contribute to applications systems analysis and programming activities. Prime Brokerage Technology provides solutions that underpin the operations of our clients and traders that provide the foundation of our Prime Finance business. This is an area of great opportunity and is a major growth target for Citi – with technology providing the key to unlock this potential. Responsibilities: Actively develop and deliver components for the Core Prime Brokerage platform using Java/Kotlin. Contribute to agile development by improving CI/CD practices and implementing automated testing. Participate in design, planning, and estimation discussions, breaking down work into technical tasks. Collaborate with business analysts and stakeholders to refine and clarify requirements. Create and maintain project and technical documentation. Assist in identifying and communicating potential risks and issues for assigned tasks. Participate in production support, including diagnosing issues, implementing enhancements, and improving system reliability. Collaborate with a global team, conduct peer reviews, and mentor junior analysts and graduates. Technical Experience: Java & Test-Driven Development are essential. Experience in any number of additional technologies (listed below) is advantageous: Kotlin Cloud Technologies (Kubernetes, Open Shift) Messaging Technologies (Kafka, Solace, TIBCO) Database / Data Store / Data Query Technologies (SQL Server, Trino, Mongo, S3) Observability Technologies (OpenTelemetry, Elastic Stack / ELK, Grafana) Recommended Qualifications: 5-8 years of relevant experience Experience in systems analysis and programming of software applications Experience in managing and implementing successful projects Working knowledge of consulting/project management techniques/methods Ability to work under pressure and manage deadlines or unexpected changes in expectations or requirements Bachelor’s degree/University degree or equivalent experience What we can offer you: By joining Citi Solutions Center Poland, you will not only be part of a business casual workplace with a hybrid working model (currently up to 2 days working at home per week), but also (potentially, subject to final offer) receive a competitive base salary and enjoy a whole host of additional benefits which can include: Employer paid Defined Contribution Pension Plan contribution of 6% of employee’s pensionable earnings (PPE Program) Employer paid Private Medical Care Package for employees and Private Medical Care Packages for certain family members available at preferential rates Employer paid Life Insurance Program for employees and Life Insurance for certain family members available at preferential rates Employee Assistance Program financed by Employer Paid Parental Leave Program (maternity and paternity leave; statutory and 2 weeks additional paid paternity leave) Sport Card for employees subsidized via Social Benefits Fund and Sport Cards for certain family members available at preferential rates Additional benefits from Company’s Social Benefit Fund, in particular: Holidays Allowance, support for sport and cultural activities, team building events. Additional day off for volunteering Cafeteria/ flex benefit – a company benefits system which enables employees to select and purchase benefits offered by a provider and available for employees on the platform. Opportunity to receive an annual discretionary incentive award Special offers and discounts for employees Copy and paste the URL below into a new tab on your web browser to view the Remuneration Regulations extract: https://tbcdn.talentbrew.com/company/287/cms/v3/docs/policies/RemunerationRegulations-KeyProvisions-CitibankEurope_plc_05012025_A.pdf Alongside these benefits Citi is committed to ensuring our workplace is where everyone feels comfortable coming to work as their whole self every day. We want the best talent around the world to be energized to join us, motivated to stay, and empowered to thrive. Sounds like Citi has everything you need? Then apply to discover the true extent of your capabilities. #LI-KK1 This job description provides a high-level review of the types of work performed. Other job-related duties may be assigned as required. ------------------------------------------------------ Job Family Group: Technology ------------------------------------------------------ Job Family: Applications Development ------------------------------------------------------ Time Type: Full time ------------------------------------------------------ Primary Location Full Time Salary Range: 189 660,00 zł - 322 940,00 zł ------------------------------------------------------ Most Relevant Skills Please see the requirements listed above. ------------------------------------------------------ Other Relevant Skills For complementary skills, please see above and/or contact the recruiter. ------------------------------------------------------ Automated Processing and AI We use automated processing, including artificial intelligence, for our legitimate business interests (or our reasonable and appropriate business purposes) to identify and align the candidate's skills and abilities with a specific job opening. Additionally, if you so choose, or consent, we can match your skills and abilities to other suitable roles at Citi. Importantly, all our hiring processes and decisions, including determining your suitability for a role, are conducted, checked, and decided by individuals. Our automated processing and AI do not involve relying on automatic or autonomous decision-making. Please refer to any Jurisdictional Considerations, with specific provisions for your country (where relevant) for further details. ------------------------------------------------------ This job opening is for an existing job vacancy. ------------------------------------------------------ Citi is an equal opportunity employer, and qualified candidates will receive consideration without regard to their race, color, religion, sex, sexual orientation, gender identity, national origin, disability, status as a protected veteran, or any other characteristic protected by law. If you are a person with a disability and need a reasonable accommodation to use our search tools and/or apply for a career opportunity review Accessibility at Citi . View Citi’s EEO Policy Statement and the Know Your Rights poster.
Technology
Citigroup
Java Developer with Kotlin
Mid
Hybrid
Warsaw, Poland
189,660 - 322,940 PLN/yr
🏢 Summary: Intermediate-level role focused on developing and enhancing the Core Prime Brokerage platform using Java and Kotlin within an agile environment. The position involves application systems analysis, programming, CI/CD improvements, automated testing, and production support in collaboration with global technology and business teams. It offers the opportunity to contribute to a growing Prime Finance technology area while mentoring junior team members. 🗂️ Requirements: 5-8 years of experience in systems analysis and software development, Strong proficiency in Java, Experience with Test-Driven Development, Experience delivering and implementing software projects, Ability to participate in design, estimation, and technical planning, Experience working in agile development environments, Bachelor’s degree or equivalent experience 📃 Skills: Java, Kotlin, TDD, Kubernetes, OpenShift, Kafka, Solace, TIBCO, SQL, Trino, MongoDB, S3, OpenTelemetry, ELK, Grafana, CI/CD 🏢 Description: The Applications Development Senior Programmer Analyst is an intermediate level position responsible for participation in the establishment and implementation of new or revised application systems and programs in coordination with the Technology team. The overall objective of this role is to contribute to applications systems analysis and programming activities. Prime Brokerage Technology provides solutions that underpin the operations of our clients and traders that provide the foundation of our Prime Finance business. This is an area of great opportunity and is a major growth target for Citi – with technology providing the key to unlock this potential. Responsibilities: Actively develop and deliver components for the Core Prime Brokerage platform using Java/Kotlin. Contribute to agile development by improving CI/CD practices and implementing automated testing. Participate in design, planning, and estimation discussions, breaking down work into technical tasks. Collaborate with business analysts and stakeholders to refine and clarify requirements. Create and maintain project and technical documentation. Assist in identifying and communicating potential risks and issues for assigned tasks. Participate in production support, including diagnosing issues, implementing enhancements, and improving system reliability. Collaborate with a global team, conduct peer reviews, and mentor junior analysts and graduates. Technical Experience: Java & Test-Driven Development are essential. Experience in any number of additional technologies (listed below) is advantageous: Kotlin Cloud Technologies (Kubernetes, Open Shift) Messaging Technologies (Kafka, Solace, TIBCO) Database / Data Store / Data Query Technologies (SQL Server, Trino, Mongo, S3) Observability Technologies (OpenTelemetry, Elastic Stack / ELK, Grafana) Recommended Qualifications: 5-8 years of relevant experience Experience in systems analysis and programming of software applications Experience in managing and implementing successful projects Working knowledge of consulting/project management techniques/methods Ability to work under pressure and manage deadlines or unexpected changes in expectations or requirements 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.