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September 16, 2026
Senior .NET Developer
Senior • On-site
207,689 - 255,766 PLN/yr
Krakow, Poland
Apply now
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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