Senior Generative AI Engineer

📋 Description

• Own AI features end to end, from an ambiguous problem through to a reliable, observable system that
• Build the retrieval and data foundations these features stand on, and treat retrieval quality as a
• Design evaluation and monitoring approaches that make quality, reliability and safety measurable
• Build AI applications and agents using LLMs, orchestration, APIs and data systems, applying solid
• Make the calls on models, cost and latency that shape what a feature costs us to run, and document
• Prototype quickly, work out what is reusable, and harden the patterns that work into components the

🎯 Requirements

• You've shipped AI or ML systems that real users depend on, and you've stayed close enough to
• Strong Python, and SQL you genuinely use. A lot of this work is data work: assembling grounding
• You've invested deliberately in your software engineering craft: testing, error handling, CI/CD
• You're hands-on across the GenAI stack: LLM APIs, retrieval and vector stores, agents with tool
• You have a real point of view on evaluation, most likely because you've been caught out by a system
• You can reason about how models fail, including hallucination and prompt injection, and what that

🎁 Benefits

• Competitive salary
• Equity scheme - we all share in Motorway's success
• 25 days holiday
• Flexible working (2 days a week in our London office, with socials and snacks galore)
• Private medical insurance via BUPA
• Life assurance