2 months ago
London, United KingdomSenior
Responsibilities
- Own AI features from ambiguous problem definition through reliable, observable production systems.
- Build retrieval and data foundations and treat retrieval quality as a core engineering problem.
- 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 decisions about models, operating cost, and latency.
- Prototype quickly, identify reusable patterns, and harden them into shared components.
- Improve engineering quality through code reviews, design feedback, and technical standards.
- Explain technical decisions to product managers and stakeholders in terms of business consequences.
Requirements
- Experience shipping AI or ML systems that real users depend on and understanding their production failure modes.
- Strong Python skills and practical SQL experience for assembling grounding data, building golden datasets, and investigating failures.
- Software engineering experience including testing, error handling, CI/CD, observability, and MLOps practices.
- Hands-on experience with LLM APIs, retrieval and vector stores, tool-using agents, and structured outputs on cloud infrastructure.
- Ability to evaluate model failures such as hallucination and prompt injection and assess their consequences.
- Ability to choose appropriately between models and simpler solutions and to stop when appropriate.
- Constructive code review and collaboration skills.
Benefits
- Competitive salary.
- Equity scheme.
- 25 days of holiday.
- Flexible working with 2 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 26 weeks of full pay for maternity or adoption.
- 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.