June 19, 2026

.NET Developer

Mid • Hybrid

14,000 - 25,000 PLN

Katowice, SL, Poland

We are looking for a .NET Developer to join our team and help build scalable, high-quality solutions that power our global travel platforms.

In this role, you will work on the development and enhancement of backend systems, contribute to architectural decisions, and collaborate with cross-functional teams to deliver reliable and efficient software used by customers worldwide.

Your responsibilities

  • Design, develop, and maintain applications using .NET technologies

  • Translate business requirements into scalable and maintainable technical solutions

  • Develop and enhance REST APIs and backend services

  • Maintain, troubleshoot, and improve existing applications

  • Refactor and optimize code to improve performance, scalability, and maintainability

  • Write clean, well-structured, and testable code following best practices

  • Participate in code reviews and contribute to improving development standards

  • Identify and resolve performance bottlenecks and system issues

  • Contribute to application architecture, technical design, and system documentation

  • Collaborate closely with developers, QA engineers, Product Owners, and other stakeholders in an agile environment

Our requirements

  • At least 3 years of commercial experience with .NET development

  • Strong knowledge of ASP.NET MVC and REST APIs

  • Experience working within agile software development teams

  • Good knowledge of MS SQL and Elasticsearch

  • Experience with CI/CD tools and practices (Git, TeamCity or similar)

  • Experience writing unit and integration tests

  • Ability to write clean, maintainable, and well-tested code

  • Very good English communication skills

Nice to have

  • Experience with Umbraco CMS

  • Experience with Angular

  • Knowledge of AWS services and cloud-based solutions

How we work

  • Clean Code principles

  • Design patterns and software engineering best practices

  • Code reviews and knowledge sharing

  • Static code analysis

  • Continuous Integration and Continuous Deployment (CI/CD)

  • Agile and collaborative development environment

What we offer

  • Hybrid work model (1–2 days per week in our Katowice office)

  • Opportunity to work on international, large-scale projects

  • Attractive remuneration paid in EUR

  • Flexible working hours

  • Individual development budget

  • Partially or fully funded training and certifications

  • English lessons

  • Mentoring and support from experienced technical leaders

  • Participation in conferences in Poland and abroad

  • A culture focused on learning, collaboration, and knowledge sharing

  • Space to innovate and bring your own ideas to life

  • Support for IT community initiatives

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