C# .NET Core Developer with Focus on Security | C# .NET Core Entwickler (m/w/d) mit Schwerpunkt Security

FiANTEC Provisionslösungen GmbH

Deutschland
Published Dec 2, 2025
Full-time
Permanent

Job Summary

This role involves developing modern, scalable, performant, and secure backend applications using C# and .NET Core. The successful candidate will champion "Security by Design," integrating current authentication procedures from the initial planning stages and actively bringing knowledge of security advancements into product development. Day-to-day tasks include implementing secure product components, conducting regular code reviews to mitigate vulnerabilities, and collaborating closely with DevOps and Infrastructure teams to enforce security standards within the CI/CD pipeline. Key qualifications include a degree in Computer Science or equivalent, professional experience in C#/.NET Core development, and deep knowledge of secure software development practices, including OWASP standards and modern authentication frameworks (e.g., OAuth2, SAML). This position offers a permanent contract, flexible working hours, mobile work options, and opportunities to directly influence product direction within a friendly, award-winning company.

Required Skills

Education

University degree in Computer Science or comparable vocational training

Experience

  • Several years of professional experience in development with C# and .NET Core
  • Deep knowledge in secure software development and OWASP standards
  • Experience with modern authentication and authorization methods and frameworks
  • Experience in DevOps and CI/CD is a plus

Languages

Not specified

Additional

  • Permanent employment contract (unbefristet)