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September 16, 2026

Senior .NET Developer

Senior • On-site

207,689 - 255,766 PLN/yr

Krakow, Poland

Quick Facts

  • Role: Senior .NET Developer (Agile team)

  • Focus: Scalable, cloud-ready microservices and platform architecture

  • Environment: Cross-platform (Windows, Linux, macOS)

Description

You will help build the foundation for a scalable, cloud-ready system using a microservices-first approach. The role includes designing and developing microservices from scratch, integrating existing components, and migrating monolithic parts step-by-step while maintaining code quality and testability with TDD.

Responsibilities

  • Design and develop scalable microservices from scratch

  • Co-develop platform capabilities for cloud-native, platform-agnostic architecture

  • Integrate existing components into a modern architecture

  • Analyze current codebase/architecture and progressively migrate monolith elements to microservices

  • Write clean, maintainable code with a strong emphasis on quality and testability (TDD)

  • Participate in code reviews and help define engineering standards

  • Collaborate closely with Product, QA, and DevOps teams

Requirements

  • 6+ years of backend application development with .NET / .NET Core

  • Practical experience building large-scale web systems

  • Strong knowledge of microservices architecture

  • Very good knowledge of relational databases

  • Analytical approach and strong problem-solving skills

  • Ability to work independently while collaborating effectively

  • Openness to continuous learning and adopting new technologies

  • Good English communication skills (speaking and writing)

  • Knowledge of AI agents and workflows

Benefits

  • Comprehensive compensation and benefits package aimed at remaining competitive and supporting employee wellbeing

  • Performance-based approach rewarding individual impact and achievements

  • Possible annual bonuses/motivational benefits depending on role and location

  • Health and wellbeing benefits, paid time off, retirement programs, insurance coverage, and other local/statutory benefits

  • Salary/benefits details shared during the recruitment process

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