Research Engineer – AI Agents & LLM Systems

Location: Brock Street, London (3 days in office)

Contract: 06 Months

About the Role

Build AI that builds AI

Fundamental AI Research (FAIR) team is hiring Research Engineers to work on cutting-edge systems at the frontier of artificial intelligence.

This role goes beyond traditional machine learning — you’ll be building AI agents that can automate research workflows, accelerating the path toward human-level intelligence.

What You’ll Work On

• Designing and building large language model (LLM) systems
• Creating AI agents that can reason, plan, and execute tasks
• Running large-scale experiments on complex datasets
• Developing tools and infrastructure to accelerate ML research
• Collaborating with world-class researchers and engineers
• Turning ideas into real, scalable systems

⚙️ What You Bring

• Strong coding skills in Python
• Hands-on experience with PyTorch / deep learning frameworks
• Background in machine learning / AI / data systems
• Exposure to LLMs or generative AI
• Ability to move fast, experiment, and execute

Bonus Points

• Experience with AI agents or autonomous systems
• Research background (PhD / publications / projects)
• Experience working with large-scale ML systems

Why This Role?

• Work on frontier AI problems few teams in the world are solving
• Build systems that could transform how research is done
• Collaborate with some of the best AI researchers globally
• See your work directly influence real-world products at scale