Member of Technology Staff at Architect

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Job Title: Member of Technology Staff

Salary: £70k-£130k + Equity

Company Description: Architect - £3.5M seed-funded AI agent startup

Job Description:
Join a high-performance founding team to build the future of the web. You will own significant product areas end-to-end, developing autonomous AI agents that generate personalized web experiences in real-time. This is a 0-to-1 generalist role where you will ship mission-critical features across the full stack to enterprise clients.

Location: London, UK

Why this role is remarkable:

- Work alongside an elite founding team including ex-leaders from SpaceX, Rippling, and Samsara in a high-energy London office.

- Backed by £3.5M in seed funding led by Project A to define an entirely new category at the intersection of AI and web infrastructure.

- Take on massive technical ownership with the ability to define the product direction and internal engineering standards from the ground up.

What you will do:

- Design and implement complex agentic workflows and LLM evaluation frameworks to optimize real-time website personalization.

- Architect and scale service-oriented systems using TypeScript, Node.js, Postgres, Redis, and the Temporal.io http://Temporal.io workflow orchestrator.

- Deliver customer-facing features end-to-end, from sleek React/Tailwind front-ends to robust backend integrations and authentication systems.

The ideal candidate:

- Strong engineering fundamentals with a ""builder mentality"" and experience owning 0-to-1 product work in a startup environment.

- Proficient across the modern TypeScript stack (React/Node.js) with a passion for writing clean, maintainable, and high-...