Principal Machine Learning Engineer - Gameplay Agents

Do you want to shape how AI transforms game development at global scale?

Have you built production ML systems that go beyond research prototypes?

Are you ready to lead technically without taking on line management?

A tier-1 global gaming and consumer technology brand is hiring a Principal Machine Learning Engineer into its Research function in London. This team sits at the forefront of applied AI, building systems that improve how large-scale games are tested, validated, and shipped. The focus is on automating QA through intelligent gameplay agents and advanced video-based ML systems.

You will lead technically, drive delivery, and mentor others while remaining hands-on across research and production.

Key Responsibilities

• Lead design of anomaly / defect detection systems for automated QA
• Build and optimise computer vision models on video data
• Drive applied research (e.g. self-supervised, multimodal, VLM-adjacent work) into production
• Own end-to-end ML lifecycle from experimentation to deployment
• Provide technical mentorship and delivery planning across projects
• Collaborate with engineering and research stakeholders to scale systems

Key Details

• Salary: £140,000–£210,000 base
• Bonus: 20%-30%
• Working model: London – 1 day per month onsite
• Tech stack: Python, PyTorch/TensorFlow, video/CV systems, production ML tooling
• Visa: Sponsorship available

Interested? Please apply below.