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Lead ML Engineer (m/f/x)

Cofinity-X GmbH
Germany October 4, 2026
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LearningsovereigndataspacetechnologyMachinetechnicalProductopensourceprojectsEngineerexperts

About the role

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 • Lead our Machine Learning team and contribute to the development of sovereign AI in Europe • Architect the training and fine-tuning of AI models using sovereign dataspace technology • Set the technical direction for our ML roadmap, integrating cutting-edge AI innovation into our sovereign dataspace technology • Support Product Management in evaluating and defining AI/ML architectures for target products and solutions, balancing customer requirements and technical constraints • Recruit, lead, mentor, and inspire your own team of highly skilled ML engineers • Partner with our HR team to scale the team through active sourcing, interviewing, and onboarding • Coach and develop team members while fostering an inclusive, collaborative, and intellectually rigorous culture • Work together with dataspace technology experts and product teams • Contribute heavily to open-source projects Your profile • Master’s degree in Machine Learning, Computer Science, or a related discipline (PhD is a plus) • 7+ years of experience in Machine Learning, ideally with experience in federated learning • 3+ years of experience leading technical projects and people • Proven experience working with product teams to bring ML products to market • Deep understanding of modern ML infrastructure, LLMs, and AI tooling • Outstanding stakeholder management skills and comfort working with senior leader • Strong interest in sovereign AI and dataspace technology (Catena-X, Gaia-X, IDSA) • Track record of open-source contributions and a strong understanding of how open-source projects work Why us? • Hybrid working model  • Balanced work-life balance with flexible working hours  • Annual training budget for continuous professional and personal development (1.500 EUR)  • Free choice of hardware  • Monthly lunch subsidy (up to 115 EUR)  • Deutschland Ticket and Job Bike for environmentally friendly mobility options  • Workation to work remotely from different locations within the EU  • We offer every employee a pensions scheme ( bAV ) 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  Find more English Speaking Jobs in Germany on Arbeitnow
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