Applied AI Engineer at Seamflow

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 Applied AI Engineer Salary Not Disclosed Company Description Seamflow.com is a high-growth London startup backed by a 14× oversubscribed $4.5m seed round from Tier-1 investors including Coinbase, Reddit, and Spotify. They are modernizing industries like aerospace and healthcare by replacing manual systems with high-speed software and advanced AI agents to automate complex real-world workflows. Job Description You will build and deploy LLM-powered features that solve complex physical-world workflows. From extracting structured data from messy documents to designing multi-step agents, you will own AI systems end-to-end. This is a high-ownership role where you will solve real failures, ship immediately, and work alongside a world-class team from Google, Amazon, and X. Location London, UK Why this role is remarkable * Join a world-class team featuring former unicorn founding engineers and talent from X, Google, Amazon, and Yandex in a high-ownership environment. * Work for a company with 7-figure revenue and a $4.5m seed round backed by elite investors like Coinbase, Reddit, Klarna, and Spotify. * True end-to-end ownership: move beyond simple chat wrappers to build complex, multi-step AI agents and document intelligence systems that solve real-world industrial problems. What You Will Do * Design and ship production-ready AI features from day one, owning the entire lifecycle from prompt engineering to deployment and monitoring. * Build robust evaluation frameworks to catch regressions and improve model reliability for complex domain-specific workflows and document extraction tasks. * Collaborate directly with customers to understand real-world edge cases in industries like aerospace and healthcare, iterating on models to ensure high-quality outputs. The ideal candidate * Strong technical background in Python and modern LLM tooling, including structured outputs, function calling, and orchestration for production AI systems. * Full-stack capability to integrate AI features into product workflows using TypeScript and React while managing complex backend reasoning. * Proven track record in early-stage startups or founder fellowships like YC or EF, with a focus on building products where requirements are evolving. 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.