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.NET Developer

Job Description - .NET Developer




We are looking for experienced .NET Developers to join a greenfield transformation project in the corporate banking sector. The team is building a modern, high-performance system from scratch using .NET 6/8, Kafka, and microservices, integrating with multiple enterprise platforms and delivering long-term impact for thousands of users.

















Responsibilities:











  • Development: Build scalable backend features in .NET 6/8 and microservices-based architecture



  • Integration: Implement and integrate REST/SOAP services and event-driven systems with Kafka



  • Collaboration: Work closely with analysts, architects, and business stakeholders on requirements and design



  • Quality: Contribute to testing, deployment, optimisation, and system performance












Requirements



  •  5+ years’ experience in .NET development



  • Strong skills in .NET 6/8, REST, SOAP, SQL Server, Entity Framework



  • Experience with Kafka and distributed/microservices architecture



  • Understanding of enterprise system integration and APIs



  • Polish fluency; English at B2 working level




Nice to have:








  • Experience in banking/financial systems or other enterprise-scale projects


  • Background in secure systems or mobile banking


  • Familiarity with DDD, event storming, or user story mapping


  • ​Agile/SCRUM team experience












Benefits



  • Solid, competitive salary



  •  Work in multilingual, multinational and multicultural environment on international projects



  • Comprehensive healthcare



  • Long-term B2B contract with stable project pipeline



  • Flexible hybrid model (1 day/week on-site in Warsaw/Gdańsk)














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