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September 17, 2026

Senior .NET Developer

Senior • Remote

208,000 - 291,200 PLN/yr

Warsaw, Poland

Quick Facts

  • Senior .NET Developer
  • Rate up to 140 PLN/h net + VAT (B2B)
  • Start: immediately
  • Benefits: sports card, private healthcare
  • Fast recruitment process

Description

You will develop backend functionality using .NET 8 and ASP.NET Core, including building and evolving APIs. The role focuses on microservices and event-driven communication with Kafka integration, along with SQL query and performance optimization. You will also participate in code reviews and technical decisions, supported by AI tools for development, and collaborate technically with the client.

Responsibilities

  • Develop new backend features in .NET 8 / ASP.NET Core
  • Create and evolve APIs
  • Work with microservices and event-driven communication
  • Integrate using Kafka
  • Optimize performance and SQL queries
  • Perform code review and participate in technical decisions
  • Use AI tools supporting development
  • Technical collaboration with the client

Requirements

  • Senior-level experience as a .NET Developer
  • Very good knowledge of .NET 8, ASP.NET Core, and Minimal APIs
  • Experience with microservices and event-driven systems
  • Kafka (or other message brokers) experience
  • Very good knowledge of SQL
  • Experience building scalable applications
  • Practical use of AI tools in development
  • English at least B2

Benefits

  • Rate up to 140 PLN/h net + VAT (B2B)
  • Sports card
  • Private healthcare

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