> Markdown version of [/jobs/ext/4619524-net-developer](https://www.wearedevelopers.com/jobs/ext/4619524-net-developer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # NET Developer - **Company:** Seidor USA Corp. - **Location:** Brussels, WI, United States (Remote available) - **Experience:** Experienced - **Contract:** Permanent contract - **Skills:** ASP.NET, .NET Framework, Application Programming Interfaces (APIs), Business Logic, Confluence, JIRA, Unit Testing, Code Review, Continuous Integration, Relational Databases, Software Debugging, Entity Framework, Event-Driven Programming, Issue Tracking Systems, Systems Integration, Backend, Git, Information Technology, Restful APIs, Software Version Control, Devsecops, Atlassian Bamboo, Jenkins - **Published:** November 7, 2026 - **Apply:** https://arc.dev/remote-jobs/j/redirect/px8h6gitz1 ## About the Role That's why we are looking for curious individuals who are motivated by challenges and eager to grow personally and professionally, to join our team and make a positive impact on the world through technology., * Bachelor's degree (EQF level 6) in Computer Science, or equivalent * Minimum 15 years of IT related experience * Experience mentoring junior developers or leading small development teams. * Experience working in an international/intergovernmental organisation or a central national administration. * 4 years developing .NET back-end applications * 8 years of experience with ASP.NET Core, Entity Framework Core and the .NET ecosystem * 8 years of experience designing and implementing REST APIs and event driven integrations * 6 years of experience with relational databases and ORM frameworks * 5 years of experience with development and DevSecOps tooling, including version control (Git), issue tracking (e.g. Jira or equivalent), collaboration (e.g. Confluence or equivalent) and CI/CD pipelines (e.g. Jenkins, or Bamboo, or equivalent) * 3 years of experience as technical lead of a back-end development team, including technical design decisions, definition of coding standards and performance and security optimisation ## Description * Design, develop and unit-test back-end components using ASP.NET Core and Entity Framework Core * Implement REST and event-driven APIs and the underlying business logic * Implement persistence layers and integrate with messaging systems * Implement authentication and authorisation mechanisms * Contribute source code and configuration to the customer's CI/CD pipeline * Participate in code reviews * Produce and maintain API documentation * Identify, debug and fix defects; support deployment and migration activities