Senior Full Stack Developer (£70k-£120k) at VC-backed AI governance startup

This is a job that Jill, our AI Recruiter, is recruiting for on behalf of one of our customers. She will pick the best candidates from Jack's network. The next step is to speak to Jack. Job Title Senior Full Stack Developer Salary £70k-£120k Company Description VC-backed AI governance startup Job Description You will build the critical control infrastructure that allows regulated enterprises to deploy agentic AI safely and at scale. Taking end-to-end ownership of the full stack, you will design robust APIs and scalable data models to solve complex governance challenges for financial services and healthcare sectors within a high-growth environment. Location London, UK Why this role is remarkable Shape the foundational guardrails for agentic AI deployment in highly regulated global industries.Join a well-funded startup backed by top-tier investors at an early stage with direct founder access.Work with a modern TypeScript stack on a mission-critical product where your architecture decisions drive immediate impact. What You Will Do Develop end-to-end features across the React frontend and Node.js/Express.js backend using TypeScript.Architect and optimize production data models in Postgres while managing performance-critical paths via Redis.Deploy and manage scalable, containerized infrastructure using AWS, Docker, and Kubernetes within CI/CD pipelines. The ideal candidate Brings 7+ years of full stack experience shipping production applications with Node.js, React, and TypeScript.Demonstrates deep expertise in SQL, database optimization, and managing cloud-native infrastructure at scale.Possesses a background in fintech or cybersecurity with a rigorous approach to testing, security, and documentation. Who are Jack & Jill? 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. 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. 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. We never post fake jobs This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network. Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description. We appreciate this can make them look a bit suspect, but there isn't much we can do about it. Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.