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Senior Machine Learning Engineer (m/x/d)

Berlin
Full-time
Permanent employee

THE ROLE

We are looking for a Senior Machine Learning Engineer to design, own, and scale predictive systems that power VIS.X - our programmatic advertising platform.
You will take end-to-end responsibility for high-impact ML initiatives (e.g., pricing optimization, bid prediction, performance forecasting, delivery optimization) and translate complex business problems into robust, production-grade machine learning systems.
This is a senior individual contributor role with leadership potential. You will help shape our ML architecture, standards, and long-term AI strategy, with the opportunity to grow into a team lead role as we expand our data science capabilities.
 
What You’ll Do
  • Take ownership of machine learning problems from concept to production
  • Design, build, and deploy predictive models (e.g. pricing, bidding, optimization, forecasting)
  • Develop scalable feature engineering and data pipelines for large-scale datasets
  • Define experimentation frameworks (A/B testing, offline validation, model comparison)
  • Ensure production-grade MLOps: monitoring, retraining, drift detection, reliability
  • Collaborate closely with DevOps, Product, Engineering teams to align ML with business impact
  • Quantify model impact on revenue, margin, and performance KPIs
  • Contribute to building our long-term ML architecture and best practices

YOUR PROFILE


  • 5+ years of experience in machine learning / applied ML roles with production ownership
  • Proven track record of deploying and maintaining ML systems in real-world environments
  • Strong Python skills (e.g., pandas, scikit-learn, PyTorch/TensorFlow)
  • Solid knowledge of statistics, experimentation design, and model evaluation
  • Experience working with large-scale datasets and performance-critical systems
  • Understanding of MLOps principles (model lifecycle, monitoring, CI/CD integration, retraining pipelines)
  • Strong problem ownership mindset - ability to independently structure ambiguous challenges
  • Ability to translate business trade-offs into modeling decisions
  • Experience in AdTech, marketplaces, or auction-based systems is a plus
  • Experience working in high-scale, real-time systems is a plus

Über uns

YOC ist ein Technologie-Unternehmen und entwickelt Software für den digitalen Werbemarkt. Mit Hilfe unserer programmatischen Handelsplattform VIS.X® ermöglichen wir ein optimales Werbeerlebnis für Werbetreibende, Publisher und Nutzer des mobilen Internets sowie mobiler Applikationen. Werbekunden erhalten durch die Verwendung von VIS.X® und den aufmerksamkeitsstarken Werbeformaten von YOC die Möglichkeit, die Bekanntheit ihrer Marke in Verbindung mit hochwertigem Werbeinventar zu steigern. Renommierte Premium-Publisher bieten eine globale Media-Reichweite an und profitieren von der hohen Monetarisierung unserer Plattform VIS.X®. Das Unternehmen ist als Pionier des Mobile Advertising seit 2001 auf dem Markt und seit 2009 im Prime Standard der Deutschen Börse gelistet. Der Hauptsitz des Unternehmens befindet sich in Berlin. Weitere Niederlassungen betreibt das Unternehmen in Düsseldorf, Hamburg, Wien, Warschau, Zürich, Helsinki und Stockholm. Weitere Informationen zur YOC-Gruppe und unseren Produkten findest Du unter yoc.com.