Senior Backend Developer

vor 1 Monat

Köln, Nordrhein-Westfalen, Deutschland Cofinity-X GmbH Vollzeit
Unlock Your Potential as a Net Developer at Cofinity-X GmbH

Cofinity-X GmbH, a joint venture of leading industry experts, is seeking a skilled Net Developer to join our team. As a Net Developer, you will play a crucial role in designing, developing, and maintaining high-performance and secure REST APIs.

Your Key Responsibilities
  • Design and develop efficient and scalable REST APIs using.NET and Entity Framework
  • Perform database migrations and management to ensure data integrity and performance
  • Implement encryption and security principles to protect sensitive data
  • Contribute to the overall architecture for scalability and maintainability
  • Solve complex implementation issues creatively and analytically
  • Develop unit tests and ensure an efficient end-to-end development process
Your Profile
  • Bachelor's degree in computer science, Information Technology, or related field and experience in backend development
  • Deep knowledge of.NET, Entity Framework, database migration, RESTful API construction, and encryption
  • Proficient with Visual Studio Unit Testing Framework, NUnit, MSTest, xUnit.net, and API development/testing tools like Postman
  • Understanding of security by design principles
  • Ability to contribute to system architecture and identify improvements
  • Strong problem-solving skills focused on robust and innovative solutions
  • Demonstrated ability to take ownership of tasks and develop high-quality solutions
  • Basic understanding of open-source projects and cross-project collaborations
Why Choose Cofinity-X GmbH?
  • Hybrid working model with flexible working hours
  • Balanced work-life balance with annual training budget for continuous professional and personal development
  • Free choice of hardware, including private use
  • Monthly lunch subsidy and Deutschland Ticket to Job Bike for environmentally friendly mobility options
  • Workation to work remotely from different locations within the EU
  • Pensions scheme with company sponsorship and regular team events to strengthen cohesion and foster a positive working atmosphere
  • A modern office with an impressive view of the Cologne Cathedral
About Us

Cofinity-X GmbH is a joint venture of BASF, BMW Group, Henkel, Mercedes-Benz, SAP, Schaeffler, Siemens, T-Systems, Volkswagen, and ZF. Our vision is to run an open marketplace for the provision of own and third-party business applications and further services that enable secured and standardized data transfer along the automotive value chain in accordance with the Gaia-X and Catena-X principles.

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