Senior Generative AI Engineer

Requirements

  • Experience shipping AI or ML systems used by real users, with knowledge of production behavior and failure modes.
  • Strong skills in Python and SQL for data assembly, building datasets, and troubleshooting failures.
  • Deliberate investment in software engineering practices including testing, error handling, CI/CD, observability, and MLOps.
  • Hands-on experience across the GenAI stack: LLM APIs, retrieval and vector stores, agents with tool use, structured outputs, and cloud infrastructure (AWS and GCP).
  • A clear perspective on evaluation methods due to experience with system failures.
  • Ability to reason about model failures, including hallucination and prompt injection impacts.
  • Good judgment on when to use complex models versus simpler solutions.
  • Constructive code reviewer who positively influences team quality.

Nice to haves

  • Curiosity about underlying mechanisms and persistence beyond first plausible answers.
  • Attracted to complex problems without obvious solutions.
  • Honesty about knowledge limits and early collaboration with team members.
  • Ownership mentality: responsibility for shipped work, monitoring, and fixing issues.
  • Appreciation for foundational work that ensures AI feature reliability over mere demos.
  • Ability to engage in healthy disagreements and commit to final decisions.

What you'll be doing

  • Owning AI features end-to-end from ambiguous problems to reliable, observable systems used by customers.
  • Building retrieval and data foundations, treating retrieval quality as a core engineering challenge.
  • Designing evaluation and monitoring systems to measure quality, reliability, and safety effectively.
  • Developing AI applications and agents using LLMs, orchestration, APIs, and data systems with solid production software practices.
  • Making model, cost, and latency decisions affecting operational expenses, with clear documentation.
  • Rapidly prototyping, identifying reusable components, and embedding successful patterns team-wide.
  • Raising overall work quality through code reviews, design feedback, and setting standards by example.
  • Communicating technical decisions directly with product managers and stakeholders, translating model behavior into business impact.

Perks and benefits

  • Competitive salary.
  • Equity scheme to share in Motorway's success.
  • 25 days holiday.
  • Flexible working with 2 days a week in the London office, including socials and snacks.
  • Private medical insurance via BUPA.
  • Life assurance.
  • Pension scheme with 5% company contribution.
  • Enhanced family leave (e.g., 26 weeks 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.
AI Summary ✨

Similar jobs

  • Lead Applied AI Engineer - Banking Technology, Senior Vice President

    CitiGreater London, UKa day ago
    NewRegistered sponsor
  • Senior Staff Generative AI Engineer – Vice President

    CitiGreater London, UKa day ago
    NewRegistered sponsor
  • Senior Software Engineer - Siri Agentic Evaluation Platform

    AppleCambridge, UKa day ago
    NewRegistered sponsor
  • See all jobs in UK →