Product Engineer

Flank is the leading Agentic AI platform for in‑house legal teams—built for a future where autonomous AI colleagues handle entire workflows. Companies like TravelPerk, QA, and Mural use Flank to automate contract negotiation, email triage, and security reviews. What used to take hours of manual work now happens automatically. We're building in an emerging market that’s reshaping how businesses operate. Instead of incremental software improvements, we’re designing entirely new ways for AI and humans to collaborate. If you’re excited about defining what's possible when AI becomes a true colleague, you’ll find a home here. The Opportunity We’re looking for an AI‑savvy, customer‑centric Product Engineer to help us go boldly where no person has gone before As a Product Engineer, you will build, iterate, and optimize high‑quality, scalable software solutions, crafting the best user experiences for humans to work with AI. You will be an integral part of a dynamic, cross‑functional team of adaptable, creative, and product‑focused engineers ensuring our LLM/GenAI solutions are effectively implemented, delighting customers while maintaining the highest standards of performance and reliability. Skills TypeScript, React, Tailwind Node, GraphQL, MongoDB Python, FastAPI What will you be doing End‑to‑End Feature Development: Take full ownership of new product initiatives—from the initial 0 → 1 phase of prototyping and iterating on AI‑driven products, to refining and scaling them into production‑grade systems. Efficient Delivery: Execute swiftly and pragmatically while maintaining a keen attention to detail, ensuring that real value is delivered to our users. AI‑Native Innovation: Experiment, discover and build novel paradigms of human AI interaction and user experience for AI‑native workflows. Technical Problem‑Solving & Innovation: Engage in data‑driven experimentation to identify technical bottlenecks and optimize system performance. Build Solid Foundation: Architect and design product with a focus on security, scalability, and an excellent developer experience. Who You Are You are a product engineer at heart, with experience spanning the full stack — from backend and infrastructure to frontend. You may specialise more in either backend or frontend development, either way, we’d love to meet you. You have +4 years of experience building web products with a proven track record of delivering user‑centric features that have a significant impact. A strong understanding of AI‑driven product development, with hands‑on experience shipping AI‑powered applications. Prior experience in an agile, fast‑moving AI startup or product environment. You’re used to shipping to production multiple times per week (or even per day). A keen interest in user experience and a continual awareness that you are shipping product to a particular customer in order to solve a particular problem. Every line of code will be led by the question, “how does this benefit our customers”. You have unforgiving high standards for your work and the work of your colleagues. You take pride in shipping world‑class product at pace, and you’re not afraid to give feedback when you feel product is falling short, or to receive feedback when your work is falling short. What’s In It For You Innovative Work: Be part of a team making bold bets to create a new paradigm in AI‑enhanced legal services. High Standards Culture: Join a team that demands excellence and accountability through direct and candid communication. Empowered Environment: Operate in a high‑agency culture where you can lead yourself and make a real impact. Global Team: Remote‑first, collaborate with a diverse, talented team across the globe. Competitive, Benchmarked Salary. Seniority level Mid‑Senior level Employment type Full‑time Job function Engineering and Information Technology Industries Software Development Referrals increase your chances of interviewing at Flank by 2x. Get notified about new Product Engineer jobs in London, United Kingdom. #J-18808-Ljbffr