.NET Developer

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