.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)