Applied AI Engineer

Salary: £120,000 - 140,000 per year

Requirements:

• 4+ years of experience building production software • Experience shipping LLM-powered systems that have been used by real users • Hands-on experience across areas such as RAG, prompting and/or agents • Strong production engineering fundamentals, including an understanding of reliability and incident response • Good technical understanding of LLMs, including concepts such as sampling parameters and embeddings • Experience designing meaningful evaluations for AI/LLM systems • Comfortable using agentic development tooling such as Claude Code, Codex or similar • Experience working and shipping at pace • Strong communication skills with the ability to explain technical decisions clearly and concisely

Responsibilities:

• Build, improve and maintain production LLM systems • Improve the cost and latency of LLM-powered features without sacrificing accuracy • Design and implement evaluation frameworks that can reliably measure whether changes genuinely improve the product • Investigate production failures raised by analysts, identify root causes and implement effective fixes • Work across areas including RAG, prompting and agentic systems • Partner closely with Product to shape new functionality and take ideas through to production • Use AI-native engineering tools such as Claude Code as part of your day-to-day development workflow • Make sound technical decisions when working through ambiguous engineering problems

Technologies:…