Full-Stack Founding Engineer
Company Description: getmateri.com – High-growth AI infrastructure startup
Location: London, UK
Job Description: As a Founding Engineer at Materi, you will lead the evolution of our prototype into a production-ready platform. You’ll take ownership of our TypeScript, React, and Node.js stack, building custom agent infrastructure. This high-agency role involves translating business vision into technical architecture, managing the product build-out, and shaping the future of the engineering team.
Why this role is remarkable
- Join as a core founding member with a significant equity position and the mandate to lead technical decision-making from day one.
- Shape the future of AI agent infrastructure, moving beyond simple prototypes to build a robust, scalable production product.
- Work in a high-intensity, high-growth environment in the heart of London’s tech scene with an elite founding team.
What you will do
- Lead the technical build-out of the Materi platform, converting a TypeScript and Node.js prototype into a production-grade system.
- Architect and manage custom backend and agent infrastructure to support complex AI-driven workflows.
- Translate high-level product and business requirements into optimal, scalable technical decisions and implementation plans.
The ideal candidate
- Deep expertise in full-stack development using TypeScript, React, and Node.js, with a proven track record of shipping production software.
- Demonstrated experience building or managing complex backend systems and infrastructure, ideally within the AI or agentic space.
- High-agency individual with strong judgment who thrives in a 4-day-a-week in-office environment and is ready for founding-level responsibility.
Required skills and languages
- Full Stack Development, TypeScript, React, Node.js
- Technical Architecture
- English
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