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November 3, 2026

Senior .NET Developer

Senior • On-site

20,000 - 26,000 PLN/yr

Wrocław, DS, Poland

Quick Facts

  • Role: Senior .NET Developer

Description

Own and evolve a key C#/.NET system used in semiconductor manufacturing by building new features, adapting to changing requirements, and delivering safe deployments. You will design testable code, handle advanced async workflows, diagnose issues in a hardware-related environment, and integrate with APIs and third-party libraries while working with SQL data modeling. The role expects strong C#/.NET expertise, WPF/MVVM experience, quality-focused engineering, and the ability to use AI tools with critical review.

Responsibilities

  • Maintain and further develop the existing Navigator system
  • Build new features and adapt the system to evolving project requirements
  • Take real ownership of your area of the product, from design through to safe deployment
  • Design testable, high-quality code, and refactor where it makes the system better
  • Handle asynchronous operations, including cancellation, timeouts, and synchronization
  • Diagnose and resolve errors in a complex, hardware-related environment
  • Integrate with APIs and third-party libraries
  • Work with SQL databases and contribute to data modeling
  • Collaborate closely with the team developing the 3D reconstruction module
  • Use AI tools in daily work, always critically verifying generated code

Requirements

  • Very good knowledge of C# and .NET
  • Hands-on experience with WPF and MVVM
  • Ability to write testable code
  • Solid grasp of asynchronous programming (cancellation, timeouts, synchronization)
  • Knowledge of SQL and data modeling fundamentals
  • Skill in error diagnostics and integrating with APIs and external libraries
  • Practical use of AI tools in programming, with critical review of their output
  • Several years of independently developing C#/.NET applications
  • Experience in a small or medium-sized team with real responsibility for a product area
  • A documented approach to quality: refactoring, testing, and safe change rollout
  • Very good English
  • High ownership, independence, and proactivity
  • Strong problem-solving and clear communication
  • Readiness to work in an ambiguous, evolving environment

Benefits

  • Possibility to take part in Professional Networking Events
  • Hybrid service delivery model
  • MultiSport program option
  • Medical care program option
  • Flexible working hours

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