Join a high-caliber team from OpenAI and NASA to build the user interface for next-generation AI agents. You will own the product experience end-to-end, translating complex procurement workflows into intuitive, polished React applications. This is a high-impact role for an engineer with strong product taste who thrives in fast-paced, early-stage environments.
Back to all jobs
London, UK£110K-£120K + Equity
Featured roleLondon, UK£110K-£120K + Equity
Full Stack Engineer at Magentic.com — Sequoia-backed AI startup
Magentic.com is reinventing the $3 trillion global manufacturing supply chain with next-generation AI agents, and they're looking for a front-end leaning Full Stack Engineer to join their elite team. Backed by Sequoia Capital and featuring talent from OpenAI, NASA, and Meta, this is a rare opportunity to own the product experience for complex enterprise workflows. If you have 6+ years of experience, a deep obsession with UI/UX polish, and want to ship high-impact AI tools in a fast-paced London HQ, this role offers the perfect blend of technical challenge and significant equity upside.
Overview
Why this role stands out
Company
Software
Magentic.com - Sequoia-backed startup building AI agents for the $3tn global manufacturing procurement market.
Responsibilities
What you will do
- Lead the development of user-facing features using React, TypeScript, and Tailwind, maintaining a robust and scalable design system.
- Bridge the gap between AI capabilities and user needs by designing intuitive interfaces for complex, multi-step agentic workflows.
- Collaborate directly with the founding team and customers to define requirements, prototype solutions, and deploy production-ready code in days.
Candidate profile
Who this is a fit for
- Has 6+ years of professional software engineering experience with deep expertise in TypeScript and React, plus proficiency in Python.
- Demonstrates exceptional product intuition and a "design-first" mindset, capable of making UI/UX decisions without a dedicated design function.
- Thrives in high-ambiguity, fast-paced startup settings and possesses the right to work in the UK without requiring visa sponsorship.
What makes it remarkable
Why this role is remarkable
- Work at a Sequoia-backed seed-stage startup alongside a world-class founding team with experience from OpenAI, Meta, Revolut, NASA, and McKinsey.
- Solve massive real-world problems by automating $3 trillion in global supply chain workflows using cutting-edge agentic AI systems.
- Enjoy high ownership and autonomy in an environment that values "Linear-level" craft, shipping daily, and direct influence over product direction.
Jack & Jill
How Jack & Jill work together
I get to know what you’re great at, then find roles you’d never find yourself.Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.
I recruit from Jack’s network and make the intro when I spot a great match.And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.
About Jack & Jill
Meet Jack
Jack gets to know what you are great at, what you want next, and makes sure Jill considers you for the right opportunities.
How does this work?
Jack's an AI agent for job searching and career coaching. He works for you.
Jill is the AI recruiter working for the company. She recruits from Jack's network.
If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.
Jack