New offer - be the first one to apply!

November 4, 2026

.NET Developer

Mid • On-site

Katowice, SL, Poland

Quick Facts

  • Role: .NET Developer for backend development and REST APIs
  • Focus: scalable, high-quality solutions for global travel platforms

Description

You will design, develop, and maintain .NET applications, translating business requirements into scalable and maintainable solutions. The role includes building and improving REST APIs and backend services, refactoring for performance and scalability, and troubleshooting existing systems.

Responsibilities

  • Design, develop, and maintain applications using .NET technologies
  • Translate business requirements into scalable, maintainable solutions
  • Develop and enhance REST APIs and backend services
  • Maintain, troubleshoot, and improve existing applications
  • Refactor and optimize code for performance, scalability, and maintainability
  • Write clean, well-structured, testable code following best practices
  • Participate in code reviews and improve development standards
  • Identify and resolve performance bottlenecks and system issues
  • Contribute to application architecture, technical design, and system documentation
  • Collaborate with developers, QA engineers, Product Owners, and stakeholders in an agile environment

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

Benefits

  • Hybrid work model (1–2 days per week in the 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
  • Culture focused on learning, collaboration, and knowledge sharing
  • Space to innovate and bring your own ideas to life
  • Support for IT community initiatives

Similar jobs you might like

Unlock Full Resume Report