Principal Engineer
Core
Set technical direction, evolve engineering practices, and lead AI for software engineering adoption across a UK car-selling platform.
Role type
Principal Engineer (Strategy & Architecture)
Builds
Marketplace platform handling hundreds of vehicle transactions daily, cloud infrastructure, and AI-enabled engineering workflows.
Domain
Automotive marketplace, Cloud Infrastructure (AWS), Generative AI
Deliverable
production ML models | infrastructure
Required skills
AWS expertise (serverless, containers, networking, IAM), API and identity architecture, observability and reliability standards, LLM and agent evaluation, technical strategy, public speaking, mentoring
Preferred skills
Experience setting technical direction across multiple teams, commercial case building, pattern library of production failures, public speaking track record
Technologies
AWS, Kiro, LLMs, Agents, OAuth 2.0, OIDC, PKCE, JWT
Responsibilities
Set technical strategy and make commercial cases, identify and resolve cross-cutting architectural risks, set engineering standards and documentation norms, raise reliability and security bars, lead AI adoption and LLM evaluation, develop staff engineers, own AWS relationship and architecture reviews, represent company at external events
Seniority
Principal, strategy & mentorship
