Working Student (m/f/x) – Software Testing / Quality Assurance
Cofinity-XKöln
Posted January 20, 2026
Internship
About the Company
Cofinity-X operates the technical backbone of industrial data ecosystems such as Catena-X, delivering secure, standardized, and sovereign data exchange for participants across value chains. The company builds and maintains the infrastructure, facilitates onboarding, and runs a marketplace for apps and services—including its own solutions—empowering manufacturers to unlock operational efficiencies. Cofinity-X was founded by a consortium of industry leaders including BASF, BMW, Mercedes-Benz, SAP, and Siemens, giving it deep credibility and a collaborative culture that bridges OEMs, suppliers, and tech partners. Its unique blend of industry-driven governance, cutting-edge data security, and a vibrant ecosystem marketplace positions it as a key enabler of digital transformation in manufacturing. Professionals at Cofinity-X thrive in a forward-thinking environment where they shape the future of industrial connectivity.
Job Description
Join Cofinity-X, a joint venture of industry leaders, as a Working Student in Software Testing / Quality Assurance. Contribute to the creation and maintenance of test cases, manual testing, and automated API tests. Collaborate with QA Engineers, Developers, and the Product Team to ensure high-quality software.
Requirements
- Master's degree in Computer Science, Software Engineering, Business Informatics, or similar field
- Programming experience
- Genuine interest in software quality and testing
- Structured, independent, and reliable work style
- Excellent communication skills
- Curiosity, motivation, and eagerness to learn new things
- Proficiency in English (spoken and written)
Benefits
- Free choice of hardware
- Monthly lunch subsidy
- Deutschland Ticket
- Regular team events
