Machine learning engineer in adtech

This profitable French AdTech scale-up is transforming digital advertising through machine learning. By building AI-powered technology that determines which users are most likely to engage with an advert, they help leading mobile apps drive customer acquisition and re-engagement through highly targeted advertising. You'll be joining a highly technical engineering team, working directly alongside the CTO to shape the future of machine learning across the business.

• define the technical direction of large-scale production machine learning systems while remaining hands-on throughout the full model lifecycle
• lead end-to-end machine learning initiatives across recommendation systems, audience targeting, bidding optimisation and customer lifecycle modelling
• partner closely with senior engineering and business stakeholders to translate commercial objectives into production-ready AI solutions

• Extensive experience building and deploying production machine learning systems at scale
• Proven technical leadership, defining architecture and technical direction while remaining hands-on
• Strong experience developing recommendation systems, audience targeting models, LTV or churn models
• Experience building robust MLOps platforms including model monitoring, automated retraining and production deployment
• Excellent Python and modern machine learning framework experience (PyTorch, TensorFlow or similar)
• Strong software engineering and distributed systems knowledge
• Ability to communicate complex technical concepts to senior stakeholders
• Будет плюсом: AdTech or Demand Side Platform (DSP) experience highly desirable; PhD in a STEM discipline is advantageous

• €135,000 base salary plus approximately €15,000 annual bonus (OTE €150,000)
• Longevity bonus every two years
• 4.5-day working week with Friday afternoons off
• Fully remote working or hybrid (2 days per week if based near an office)
• Two company meet-ups each year
• Work directly alongside the CTO
• Join a profitable, high-growth international AI business with significant technical ownership opportunities