Middle .Net Developer (Fintech)

TL;DR

Middle .Net Developer (Fintech): Implementing and maintaining features in C#/.NET for a next-generation software orchestrator managing automated sample processing in the biopharma industry with an accent on event-driven and async programming patterns. Focus on ensuring safe concurrency, stable behavior under load, and collaborating within a cross-functional team to stabilize complex logic flows.

Location: Poland or Croatia

Company

hirify.global is a custom software development company delivering value to clients through expertise and experience as a software innovation partner since 1991.

What you will do

• Implement and maintain features in C#/.NET using event-driven and async programming patterns.
• Develop code through TDD/TLD approaches, ensuring tests are a first-class deliverable.
• Create and maintain unit/integration tests using xUnit + FluentAssertions.
• Ensure safe concurrency and stable behavior under load.
• Participate in code reviews and architectural discussions, contributing to continuous improvement.
• Collaborate closely within a cross-functional team and help stabilize complex logic flows.

Requirements

• Solid C#/.NET, async/await, events, multithreading basics.
• Experience with TDD/TLD, unit testing principles, mocking, and test isolation.
• Competence with xUnit, FluentAssertions, and CI-driven test automation.
• Clean code mindset, SOLID, DI, modular/hexagonal design concepts.
• Understanding of event-driven design and structured error handling.
• English: Upper-Intermediate level

Culture & Benefits

• Close cooperation with a customer.
• Challenging tasks.
• Competence development.
• Team of professionals.
• Dynamic environment with low level of bureaucracy.