Back to jobs
Cofinity-X GmbH
Western Europe

Working Student (m/f/x) – Software Testing / Quality Assurance

Köln, Germany
2026-03-31

Role Description

Köln Part-time Intern / Student**Our vision - your future** ----------------------------- Cofinity-X is a joint venture founded in 2023 by BASF, BMW Group, Henkel, Mercedes-Benz, SAP, Schaeffler, Siemens, T-Systems, Volkswagen, and ZF. Established by industry experts, our company is primed for growth and is intended to be further led by professionals like yourself. **Your mission** ---------------- * Create and maintain test cases for our software products * Perform manual testing, including exploratory testing and running predefined test cases * Maintain and further develop our automated API tests * Identify, document, and track bugs in our bug tracking system * Support requirement refinement from a QA perspective and help spot potential issues early * Work closely with QA Engineers, Developers, and the Product Team to ensure high-quality software **Your profile** ---------------- * You are currently enrolled in a Master’s program in Computer Science, Software Engineering, Business Informatics, or a similar field * You have some programming experience and are genuinely interested in software quality and testing * You work in a structured, independent, and reliable way * You communicate clearly and enjoy working as part of a team * You are curious, motivated, and eager to learn new things * You are comfortable working in English (spoken and written) **Why us?** ----------- * Free choice of hardware * Monthly lunch subsidy (up to 112 EUR) * Deutschland Ticket for environmentally friendly mobility options * 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\. It is a joint venture of BASF, BMW Group, Henkel, Mercedes-Benz, SAP, Schaeffler, Siemens, T-Systems, Volkswagen and ZF. The vision of Cofinity-X 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 with initial focus on the European market.

Working Student (m/f/x) – Software Testing / Quality Assurance

Cofinity-X GmbH

Sign Up →