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Lead ML Engineer (m/f/x)

Cofinity-X GmbH · Köln

On-siteLeadPosted 13 Oct 2026

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Job description

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

Read the full description (24 more sections)

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

Good German and English language skills, both written and spoken

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

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