Senior AI Engineer

Senior AI Engineer | £150,000 + Options | Hybrid (London x2 PW) | Agents S R2 have been engaged with a Series B scale-up to support with their next phase of growth. This is a hands-on engineering role for someone who enjoys building production-grade AI systems, not just experimenting with models. You will work closely with senior technical and research leaders to design, build, test, and improve systems that use LLMs and related technologies in a product used by real customers.W h at will you be doing?Th

• is is a true ownership position. As one of the most senior members in the AI team, you will be owning systems end-to-end with autonomy to make architectural decisions.Me
• ntorship and guidance of more junior engineers in the team.Bu
• ilding and maintaining production codeWh a t skills do you need?Flu
• ent with agentic code (Claude code, Codex etc)Thr
• ive in an environment of ambiguity, where you are responsible for scoping out solutions to challenges.Exp
• erience shipping Agentic/LLM-based systems end-to-end into production.Str
• ong academic background.Wha t is on offer?Sala ry up to £150,000Equity optionsL&D BudgetGenuine work-life balancePrivate medical + life insurance.