Apps Dev .NET Tech Lead Analyst
- Job Req Id:
- 26943359
- Location(s):
- Warsaw, Mazovia, Poland
- Job Type:
- Hybrid
- Posted:
- Mar. 10, 2026
Discover your future at Citi
Working at Citi is far more than just a job. A career with us means joining a team of more than 230,000 dedicated people from around the globe. At Citi, you’ll have the opportunity to grow your career, give back to your community and make a real impact.
Job Overview
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:
- Design, develop, and implement robust, scalable application systems for Margin Calculation Services, translating complex business requirements into technical solutions.
- Drive cross-functional collaboration and proactively implement system enhancements to support new products and process improvements.
- Lead the resolution of high-impact technical and business problems through in-depth evaluation and innovative solution development.
- Serve as a subject matter expert in application programming, ensuring designs adhere to architectural blueprints and strategic technology roadmaps.
- Develop and enforce robust standards for coding, testing, debugging, and implementation across development teams.
- Mentor and coach mid-level developers and analysts, fostering skill development and optimizing team potential.
- Ensure operational excellence by adhering to best practices and essential procedures, operating with high independence and ownership of critical initiatives.
- Proactively assess and manage technical risks, demonstrating commitment to regulatory compliance and transparent reporting.
Qualifications:
- Strong proficiency in C#, .NET/.NET Core application development, including Test-Driven Development (TDD).
- Excellent knowledge of algorithms, data structures, design patterns, and software systems analysis.
- Deep understanding of advanced .NET concepts, including C# language features, concurrency, and parallel processing.
- Extensive experience with the .NET ecosystem, including ASP.NET Core, Entity Framework Core, ORMs, serialization, and messaging/integration frameworks (TIBCO, Kafka).
- Proven ability in designing and implementing microservices architectures using .NET Core.
- Strong Java experience (core, collections, concurrency, streams, Spring, Hibernate) can substitute for .NET experience.
- Understanding of CI/CD pipelines (GitHub Actions, Jenkins), RESTful API development, and Git.
- Solid experience with SQL, proficiency in Linux environments, and job scheduling
What we can offer you:
By joining Citi Solutions Center Poland, you will not only be part of a business casual workplace with a hybrid working model (currently up to 2 days working at home per week), but also (potentially, subject to final offer) receive a competitive base salary and enjoy a whole host of additional benefits which can include:
Employer paid Defined Contribution Pension Plan contribution of 6% of employee’s pensionable earnings (PPE Program)
Employer paid Private Medical Care Package for employees and Private Medical Care Packages for certain family members available at preferential rates
Employer paid Life Insurance Program for employees and Life Insurance for certain family members available at preferential rates
Employee Assistance Program financed by Employer
Paid Parental Leave Program (maternity and paternity leave; statutory and 2 weeks additional paid paternity leave)
Sport Card for employees subsidized via Social Benefits Fund and Sport Cards for certain family members available at preferential rates
Additional benefits from Company’s Social Benefit Fund, in particular: Holidays Allowance, support for sport and cultural activities, team building events.
Additional day off for volunteering
Cafeteria/ flex benefit – a company benefits system which enables employees to select and purchase benefits offered by a provider and available for employees on the platform.
Opportunity to receive an annual discretionary incentive award
Special offers and discounts for employees
Copy and paste the URL below into a new tab on your web browser to view the Remuneration Regulations extract: https://tbcdn.talentbrew.com/company/287/cms/v3/docs/policies/RemunerationRegulations-KeyProvisions-CitibankEurope_plc_05012025_A.pdf
Alongside these benefits Citi is committed to ensuring our workplace is where everyone feels comfortable coming to work as their whole self every day. We want the best talent around the world to be energized to join us, motivated to stay, and empowered to thrive.
Sounds like Citi has everything you need? Then apply to discover the true extent of your capabilities.
#LI-KK1
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Job Family Group:
Technology------------------------------------------------------
Job Family:
Applications Development------------------------------------------------------
Time Type:
Full time------------------------------------------------------
Primary Location Full Time Salary Range:
zł268,390.00 - zł457,010.00------------------------------------------------------
Most Relevant Skills
Please see the requirements listed above.------------------------------------------------------
Other Relevant Skills
For complementary skills, please see above and/or contact the recruiter.------------------------------------------------------
Automated Processing and AI
We use automated processing, including artificial intelligence, for our legitimate business interests (or our reasonable and appropriate business purposes) to identify and align the candidate's skills and abilities with a specific job opening. Additionally, if you so choose, or consent, we can match your skills and abilities to other suitable roles at Citi.
Importantly, all our hiring processes and decisions, including determining your suitability for a role, are conducted, checked, and decided by individuals. Our automated processing and AI do not involve relying on automatic or autonomous decision-making. Please refer to any Jurisdictional Considerations, with specific provisions for your country (where relevant) for further details.
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This job opening is for an existing job vacancy.
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Citi is an equal opportunity employer, and qualified candidates will receive consideration without regard to their race, color, religion, sex, sexual orientation, gender identity, national origin, disability, status as a protected veteran, or any other characteristic protected by law.
If you are a person with a disability and need a reasonable accommodation to use our search tools and/or apply for a career opportunity review Accessibility at Citi.
View Citi’s EEO Policy Statement and the Know Your Rights poster.
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