Lead Generative AI Engineer

Motorway

. Set the architecture standard for complex GenAI work across the function .

Posted 11/11/2026full-timeLondon • United KingdomSeniorWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in GenAI architecture and system design, with a strong focus on Python, SQL, and MLOps tooling. Capable of leading engineering teams, shaping hiring standards, and effectively communicating complex technical concepts to diverse stakeholders.

Highest-signal resume keywords

Strong PythonStrong SQLGenAI Stack ExpertiseMLOps Tooling FluencyAWS and GCP Experience

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Applicant Tracking System Keywords

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Hard Skills

PythonSQLGenAI StackMLOps ToolingCloud InfrastructureSystem DesignEvaluation InfrastructureData PipelinesArchitectural StandardsProduction Systems

Soft Skills

Technical CommunicationSelf-AwarenessMentoringDecision OwnershipStakeholder Engagement

Industry Keywords

AI SystemsRetrieval PatternsVector StoresAgentic OrchestrationMultimodal WorkGraceful DegradationFallback BehaviorCost ControlsLatency ControlsQuality Standards

Tech Stack

Tools & technologies

AWSCloudGoogle Cloud PlatformPythonSQL

About the role

Key responsibilities & impact

Set the architecture standard for complex GenAI work across the function
Hold sign-off on materially complex AI systems, identifying architectural, safety and reliability problems before production
Own shared foundations including retrieval patterns, evaluation infrastructure, data pipelines and tooling
Build the hardest work directly and act as the technical escalation point
Design production systems with graceful degradation, fallback behavior, cost and latency controls
Develop senior engineers through challenging problems, decision ownership and feedback
Shape hiring and review standards
Bring actionable industry insight into planning and architecture decisions
Build AI features for Motorway's online car-selling marketplace serving private sellers and verified dealers

Requirements

What you’ll need

Strong Python
Strong SQL usage
Deep, current expertise across the GenAI stack, including retrieval at scale, vector stores, agentic orchestration, multimodal work, evaluation infrastructure and fine-tuning where it earns its place
Fluency in MLOps tooling, deployment and cloud infrastructure
Experience with AWS and GCP
Experience designing systems that survive production and ownership when they fail
Strong point of view on evaluation and regression detection
Direct contributions that set a quality bar for others
Ability to explain complex technical trade-offs to non-technical stakeholders
Self-awareness about knowledge limitations and willingness to bring in expertise early
Experience setting technical direction adopted by other engineering teams
Experience developing and leveling up engineers
Must be able to work in the United Kingdom; application asks whether sponsorship for employment visa status in the United Kingdom is required

Benefits

Comp & perks

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
Pension scheme (we contribute 5%)
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
1 paid volunteering day a year