We’re looking for a Senior .NET Developer to maintain and evolve a set of web .NET applications, with a strong focus on modernizing authentication/authorization flows and migrating to newer .NET Core versions. The frontend is built with React.
Responsibilities:
Maintain and improve existing ASP.NET / .NET Core web apps with a React frontend.
Redesign and implement modern authN/authZ (e.g. OAuth2/OIDC, JWT, identity providers).
Plan and execute .NET Core upgrades.
Work with AWS, MySQL, PostgreSQL, and multiple external integrations.
Use Bitbucket, CI/CD, and Playwright tests as part of the delivery workflow.
Collaborate with stakeholders to discuss and prioritize tasks and clarify requirements (in English).
Requirements:
5+ years of experience with .NET (C#) and web development.
Proven experience with auth flows and .NET version migrations.
Experience with React in production environments.
Experience with AWS, relational databases, and integrations with third-party APIs.
Comfortable with Bitbucket/Git and automated testing (Playwright is a plus).
Fluent English and strong communication/relationship skills.