Senior Backend Developer

vor 4 Wochen

Köln, Nordrhein-Westfalen, Deutschland Cofinity-X GmbH Vollzeit
Unlock Your Potential with Cofinity-X GmbH

Cofinity-X GmbH is a pioneering joint venture that brings together industry leaders like BASF, BMW Group, Henkel, Mercedes-Benz, SAP, Schaeffler, Siemens, T-Systems, Volkswagen, and ZF. Our mission is to create an open marketplace for business applications and services that enable secure and standardized data transfer along the automotive value chain.

Your Key Responsibilities
  • Design and develop high-performance REST APIs using .NET and Entity Framework
  • Migrate and manage databases 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
  • Collaborate on open-source projects, particularly within the Eclipse Foundation
  • Develop unit tests and ensure an efficient end-to-end development process
Your Ideal Profile
  • Bachelor's degree in computer science, Information Technology, or a related field, with experience in backend development
  • Deep knowledge of .NET, Entity Framework, database migration, RESTful API construction, and encryption
  • Proficiency in Visual Studio Unit Testing Framework, NUnit, MSTest, 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 for a better work-life balance
  • Annual training budget for continuous professional and personal development
  • Free choice of hardware, including private use
  • Monthly lunch subsidy (up to 108 EUR)
  • Deutschland Ticket to Job Bike for environmentally friendly mobility options
  • Workation to work remotely from different locations within the EU
  • We offer every employee a pensions scheme (Betriebliche Altersversorgung) with company sponsorship
  • 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 based in Cologne and was founded in 2023 as a joint venture of industry leaders. Our vision is to create a secure and standardized data transfer platform for the automotive value chain, with an initial focus on the European market.

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