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Member of Technology Staff at Architect

Architect is rebuilding the internet by replacing static pages with intelligent AI agents that generate personalized web experiences in real-time. We’re looking for a generalist Member of Technology Staff to join our £3.5M seed-funded team in London. Working directly with our CPTO and founders from SpaceX and Rippling, you will own major product areas end-to-end using TypeScript and Temporal.io. If you thrive in early-stage chaos and want to build the foundational infrastructure for the next generation of the web, this is your chance to join as a founding team member.

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Architect

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Location

London, United Kingdom

Compensation

£70k-£130k + Equity

Company

Architect

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Role overview

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.

Software5-15 employees

Architect - £3.5M seed-funded AI agent startup

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

Who this is a fit for

  • 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-quality code.
  • Driven to learn new technologies rapidly, with bonus interest in reinforcement learning, systems knowledge, or workflow orchestration like Temporal.

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.

How Jack & Jill work together

Jack
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Jill
I recruit from Jack’s network and make the intro when I spot a great match.
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If your profile’s a match and Architect wants to meet, Jill will make the intro. In the meantime, Jack will send you excellent alternatives.

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