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Senior.NET Developer
  • Warsaw
Senior.NET Developer
Warszawa, Warsaw, Masovian Voivodeship, Polska
ITDS Polska Sp. z o.o.
30. 10. 2025
Informacje o stanowisku

technologies-expected :


  • C#
  • .NET
  • .NET Core
  • PostgreSQL
  • Microsoft SQL Server
  • Git
  • Docker
  • Microservices
  • OCP
  • Clean Code
  • DDD
  • EDD

about-project :


  • As a Senior .NET Developer, you will be working for our client, a debt collection company undergoing a major technical transformation to enhance their Legal & Automation Tools. You will contribute to building scalable, high-quality solutions that connect key endpoints and enable users to generate essential correspondence documents. This role offers the opportunity to collaborate closely with product owners, analysts, and testers in an engaging and supportive team environment.
  • Location: 100% remote
  • Rate: B2B: 115 – 135 PLN/h

responsibilities :


  • Develop, test, and deploy software according to established standards
  • Collaborate with the business to design and implement new solutions
  • Maintain high-quality existing code and perform code reviews
  • Build and enhance software critical to the national financial market
  • Implement distributed microservice systems with asynchronous communication
  • Manage OpenAPI or data contract definitions
  • Ensure automated testing of distributed systems, including unit and integration tests
  • Apply Domain-Driven Design (DDD) principles and Clean Code standards
  • Contribute to CI/CD processes and system architecture improvements

requirements-expected :


  • Minimum 5 years of experience with C# and .NET technologies, preferably .NET Core 8
  • Knowledge of relational databases such as PostgreSQL or MS SQL Server
  • Experience designing and developing distributed microservice systems
  • Understanding of messaging patterns and Event-Driven Architecture
  • Strong grasp of REST, CRUD, OOP, and Clean Code principles
  • Practical experience with Git, Open/Closed Principle (OCP), and Event Sourcing
  • Experience in automated testing using Docker and Test containers
  • Ability to work effectively in a collaborative team environment
  • English proficiency sufficient for effective communication

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
  • mobile phone available for private use
  • computer available for private use
  • 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

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