.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