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Apps Dev .NET Tech Lead Analyst

https://www.citi.com/ Logo

Citi

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Location:
Poland , Warsaw

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Category:
IT - Software Development

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Contract Type:
Not provided

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Salary:

Not provided
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Job 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.

Job Responsibility:

  • 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

Requirements:

  • 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 offer:
  • 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

Additional Information:

Job Posted:
March 18, 2026

Employment Type:
Fulltime
Work Type:
Hybrid work
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