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C# Banking Systems Developer – Digital Banking
  • Warsaw
C# Banking Systems Developer – Digital Banking
Warszawa, Warsaw, Masovian Voivodeship, Polska
ITDS Polska Sp. z o.o.
16. 12. 2025
Informacje o stanowisku

technologies-expected :


  • C#
  • .NET
  • Microsoft SQL Server
  • PostgreSQL

technologies-optional :


  • Angular
  • Docker
  • Kubernetes
  • Globus

about-project :


  • As a C# Banking Systems Developer – Digital Banking, you will be working for our client, a leading digital-first financial institution focused on developing and maintaining critical banking platforms that support both corporate and retail operations. You will contribute to a long-term project aimed at enhancing the Central Banking System and its satellite applications, delivering resilient, secure, and scalable technologies to transform banking experiences. Operating in an Agile environment, you will collaborate with cross-functional teams to build new features, maintain existing modules, and ensure reliable banking operations.
  • Warszawa-based opportunity with hybrid work model (2 times in the office/month).

responsibilities :


  • Develop software using C# and occasionally jBASIC to deliver innovative banking solutions
  • Build and maintain functionalities in the Central Banking System and supporting satellite systems
  • Create and sustain automated tests, including unit, functional, end-to-end, and performance testing
  • Ensure code quality and apply best engineering practices to maintain high standards
  • Collaborate with business and system analysts to clarify requirements and deliver user-focused solutions

requirements-expected :


  • At least 4 years of experience in software development, preferably in fintech or banking environments
  • Strong knowledge of C# / .NET Framework
  • Solid understanding of relational databases such as SQL Server and/or PostgreSQL
  • Practical knowledge of software design patterns
  • Willingness to deepen your expertise in both IT and banking domains
  • Higher education in computer science or attendance in the final year of studies
  • Ability to work effectively in a team environment
  • Readiness for continuous learning and active contribution to a collaborative culture

offered :


  • Stable and long-term cooperation with very good conditions
  • Enhance your skills and develop your expertise in the financial industry
  • Work on the most strategic projects available in the market
  • Define your career roadmap and develop yourself in the best and fastest possible way by delivering strategic projects for different clients of ITDS over several years
  • Participate in Social Events, training, and work in an international environment
  • Access to attractive Medical Package
  • Access to Multisport Program
  • Access to Pluralsight
  • Flexible hours

benefits :


  • sharing the costs of sports activities
  • private medical care
  • remote work opportunities
  • flexible working time
  • fruits
  • integration events
  • corporate gym
  • saving & investment scheme
  • no dress code
  • coffee / tea
  • drinks
  • christmas gifts
  • birthday celebration
  • sharing the costs of a streaming platform subscription
  • access to +100 projects
  • access to Pluralsight

  • Praca Warszawa
  • Warszawa - Oferty pracy w okolicznych lokalizacjach


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