OB are currently partnered with a stealth-mode start-up at the forefront of AI research , and they’re looking for a Senior AI Engineer to join the team and work on some genuinely challenging problems across LLMs, reinforcement learning and agentic systems.
This is a hands-on research + engineering role, where you’ll be involved in:
LLM training & fine-tuning — including reinforcement learning and post-training
Evaluation & feedback loops — building systems to continuously assess and optimise models
Agent development — designing and building sophisticated AI agents
AI research — exploring LLM training, RL, evaluation and optimisation techniques
Software engineering — strong engineering fundamentals are essential (Python)
What they’re looking for:
- Strong experience working with LLMs and/or foundation models
- Experience with training, fine-tuning, RL or post-training
- Background in model evaluation and optimisation
- Experience building AI agents / agentic systems
- Strong software engineering fundamentals
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Senior AI Engineer - Stealth Mode Start-up - up to £150k - London employer: Oliver Bernard
At Oliver Bernard, we pride ourselves on being an exceptional employer, offering a dynamic work culture that fosters innovation and collaboration. Our commitment to employee growth is evident through continuous learning opportunities and the chance to work with cutting-edge technologies in a vibrant location. Join us to make a meaningful impact while enjoying a supportive environment that values your contributions.
