Remote .NET Engineer

Kellton Europe is a global company with a 100-person A-Team based in Wrocław, Poland, with offices also in Poland, UK, and Ireland. It has been delivering high-quality software solutions since 2008 for clients including Zoetis, Apple, Tesla, NATO, and UNICEF.

• Minimum 5 years of commercial experience with .NET.
• Familiarity with cloud environments, preferably Microsoft Azure.
• Experience with Entity Framework, MS SQL, and RESTful APIs.
• English proficiency at B2+ level.
• Ability to work on a B2B contract / freelance basis.

Nice to have:

• Experience with React, React Native, GitHub Actions, Gigya SDK, and web app security.
• Practical experience with DevOps practices, including CI/CD pipeline setup, infrastructure configuration, and basic networking.

• Collaborate with clients to provide solutions and maintain long-lasting relationships.
• Design technical solutions and build software based on business requirements.
• Develop complex back-end systems and APIs using .NET Core, Entity Framework, and SQL Server.
• Participate in code reviews and maintain code quality according to .NET best practices.
• Attend client meetings, sometimes late afternoon.
• Deploy software to cloud environments and manage DevOps tasks.
• Fix bugs, add automated tests, and improve usability.
• Use tools such as Jira, Pivotal, GitHub, Agile, and Scrum in daily work.

This is a B2B freelance position requiring immediate availability. Candidates must be able to work under a B2B contract and invoice monthly for hours worked.