Full Stack Developer (+ Equity) at well-funded sustainability data platform

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 Full Stack Developer Salary Not Disclosed + Equity Company Description Well-funded sustainability data platform Job Description Join a mission-driven engineering team building a sophisticated platform that helps global financial institutions manage environmental and sustainability risks. You will develop interactive dashboards and robust APIs, integrating advanced AI services and large-scale spatial datasets. This role offers the chance to lead full-stack features from architecture to deployment within a high-growth environment. Location London, UK Why this role is remarkable Build a platform addressing critical global sustainability challenges for top-tier financial clients.Work at the frontier of AI, implementing multi-agent backends and model-agnostic architectures.High-impact role in a small, talented team with real ownership and equity participation. What You Will Do Design and scale investor-facing dashboards using TypeScript and React to visualize complex datasets.Build production-grade Python APIs and orchestrate multi-agent AI workflows to enhance platform capabilities.Manage multi-cloud infrastructure and data pipelines to process large-scale environmental and spatial data. The ideal candidate Over 5 years of professional full-stack experience with an AI-first approach to software development.Strong proficiency in TypeScript, React, and Python, with a background in building data-rich UIs.Experience with relational databases and cloud platforms, ideally within high-security or regulated environments. 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.