Senior Machine Learning Engineer (m/f/d)
YOCBerlin, Germany
Posted March 4, 2026
Full Time
About the Company
YOC is a Berlin-based ad-tech company that develops and operates the VIS.X® programmatic platform, enabling advertisers, publishers, and mobile app users to engage in high-quality, data-driven advertising. The company specializes in mobile advertising solutions—including premium programmatic, mobile commerce, and audience-targeted formats—delivering global reach and superior monetization for premium publishers. Since its founding in 2001, YOC has been a pioneer in mobile ad tech and is listed on the Prime Standard of the Deutsche Börse, underscoring its market credibility and commitment to innovation.
Job Description
We are looking for a Senior Machine Learning Engineer to develop, manage, and scale prediction systems for our programmatic advertising platform. You will be responsible for end-to-end machine learning initiatives and convert complex business problems into robust, production-ready machine learning systems.
Requirements
- At least 5+ years of experience in machine learning/applied ML with production responsibility
- Verifiable successes in providing and maintaining ML systems in real environments
- In-depth Python knowledge (e.g. pandas, scikit-learn, PyTorch/TensorFlow)
- In-depth knowledge of statistics, experimental design, and model evaluation
- Experience with large datasets and high-performance systems
- Understanding of MLOps principles (model lifecycle, monitoring, CI/CD integration, retraining pipelines)
- Strong problem-solving skills - ability to structure unclear challenges independently
- Ability to implement business compromises in modeling decisions
- Experience in AdTech, marketplaces, or auction-based systems is an advantage
- Experience working with large-scale real-time systems is an advantage
Benefits
- Generous Paid Time Off
- 401k Matching
- Retirement Plan
- Visa Sponsorship
- Four Day Work Week
- Generous Parental Leave
- Tuition Reimbursement
- Relocation Assistance
