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AI Engineer — LLM Research & Agentic Systems

Job in Greater London, London, Greater London, W1B, England, UK
Listing for: Oliver Bernard
Full Time position
Listed on 2026-08-24
Job specializations:
  • Software Development
    AI Engineer (Applied/Software), Machine Learning/ ML Engineer, AI Reliability/ Performance Engineer
Salary/Wage Range or Industry Benchmark: 180000 - 220000 GBP Yearly GBP 180000.00 220000.00 YEAR
Job Description & How to Apply Below
Position: Staff AI Engineer — LLM Research & Agentic Systems
Location: Greater London

Oliver Bernard’s client, a stealth-mode AI startup in London, is hiring a Staff AI Engineer to tackle challenging problems across LLMs, reinforcement learning, and agentic systems. This hands-on role blends research and engineering, contributing to both model development and production-grade systems.

You will work on LLM training and fine-tuning, evaluation loops, agent development, and AI research, applying strong software engineering to complex AI problems.

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