Principal Machine Learning Engineer
Paris (Remote / Hybrid - Fully Remote or 2 Days in the Office)

THE COMPANY

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.
As a Principal Machine Learning Engineer, you'll define the technical direction of large-scale production machine learning systems while remaining hands?This is an individual contributor leadership role focused on delivering complex technical projects rather than managing people.
You'll lead end?to?end machine learning initiatives across recommendation systems, audience targeting, bidding optimisation and customer lifecycle modelling,



partnering closely with senior engineering and business stakeholders to translate commercial objectives into production?The role combines technical strategy, platform engineering and applied machine learning within a high?Extensive experience building and deploying production machine learning systems at scale
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
PhD in a STEM discipline is advantageous
Fully remote working or hybrid (2 days per week if based near an office)
Technical interview and assessment review with senior ML engineers

📌 Manager, Machine Learning Engineering (Las Palmas de Gran Canaria)
🏢 Harnham - Data and Analytics Recruitment
📍 Las Palmas de Gran Canaria