6 hours ago
London, United KingdomSenior
Responsibilities
- Own AI features end to end from ambiguous problem definition through reliable, observable production systems.
- Build retrieval and data foundations, including grounding data and systems that support high retrieval quality.
- Design evaluation and monitoring approaches for quality, reliability, and safety.
- Build AI applications and agents using LLMs, orchestration, APIs, and data systems.
- Make and document model, cost, and latency decisions.
- Prototype quickly, identify reusable patterns, and harden them into shared components.
- Improve engineering quality through code reviews, design feedback, and technical standards.
- Communicate technical decisions to product managers and stakeholders and explain model behavior in business terms.
Requirements
- Experience shipping AI or ML systems used by real users and understanding their production behavior.
- Strong Python skills and practical SQL experience.
- Software engineering experience with testing, error handling, observability, and MLOps practices.
- Hands-on experience with LLM APIs, retrieval and vector stores, agents with tool use, and structured outputs.
- Experience running AI systems on cloud infrastructure, particularly AWS and GCP.
- A strong understanding of evaluation, model failure modes, hallucination, and prompt injection.
- Ability to assess when to use a model, when a simpler solution is appropriate, and when to stop.
- Constructive code review, sound technical judgment, curiosity, ownership, and effective collaboration.
Benefits
- Competitive salary and equity scheme.
- 25 days of holiday.
- Flexible working with two days per week in the London office.
- Private medical insurance via BUPA.
- Life assurance.
- Pension scheme with a 5% employer contribution.
- Enhanced family leave, including examples such as 26 weeks of full-pay maternity or adoption leave.
- 24/7 Employee Assistance Programme.
- EV leasing scheme.
- Cycle to work scheme.
- Nursery salary sacrifice scheme.
- One paid volunteering day per year.
Tech Stack
Categories
About Motorway
Motorway is a UK online marketplace for selling used cars, connecting private owners with verified dealerships through daily auctions. Sellers list vehicles via the app and dealers bid remotely, with the winning buyer arranging payment and collection. Founded in 2017 and headquartered in London, it is privately held and works with 8,000+ dealers nationwide, having helped hundreds of thousands of people sell their cars.