New offer - be the first one to apply!

April 24, 2026

Senior .Net Developer

Mid • Remote

19,320 - 24,360 PLN/mo

About the project

You’ll be working on backend systems within the energy and logistics domain, focusing on scalable platforms supporting services such as charging infrastructure, terminal operations, and logistics solutions.

The systems are built using a modern microservices architecture, with strong emphasis on scalability, performance, and integrations.

Duration: ~3 months (with possible extension)

Your role

  • Design and develop backend applications using .NET 8

  • Build and maintain REST APIs (ASP.NET Core)

  • Work on system architecture (including DDD and microservices)

  • Integrate systems using RabbitMQ

  • Optimize and manage data storage (SQL Server, Redis)

  • Write and maintain unit tests (xUnit)

  • Containerize applications using Docker

  • Actively use AI tools in daily development (must-have)

  • Collaborate with developers, PMs, and designers

Requirements

  • 4–5+ years of experience as a .NET Developer

  • Strong knowledge of:

    • .NET 8

    • ASP.NET Core API

    • Entity Framework Core

    • SQL Server

  • Experience with:

    • Redis

    • RabbitMQ

    • Docker

  • Understanding of DDD and system architecture

  • Experience working with microservices

  • Experience with testing (xUnit)

  • Hands-on experience using AI tools in development (required)

Nice to have

  • Experience in energy, logistics, or high-scale systems

  • Experience building high-availability solutions

  • Experience working in distributed teams

What we offer

  • Opportunity to work on large-scale, production systems

  • Flexible B2B cooperation

  • Real impact on architecture and technical decisions

  • Possibility to extend cooperation after the initial contract

  • Work environment where AI is an integral part of development