Hybrid job

Hybrid

Lead ML Engineer (m/f/x)

Cofinity-X GmbH

Source: PersonioLocation: Köln · GermanyPublished: Oct 01, 2026Confirmed active: Oct 23, 2026
Full-timeTechnology

Our assessment

  • The posting states no salary. Comparable roles in our index (104 postings): median 5,833 euros per month, middle range 4,650 to 6,875 euros.
  • 5 more open roles from this employer in our index.

Automated assessment by nomado24, not an employer statement.

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
  • 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
EngineeringFestangestellte (IT)permanent

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