Attio is the CRM built for the AI era. Designed for the most ambitious go-to-market teams, it gives companies the power to understand every customer, automate at scale, and build their go-to-market motion exactly as they need. We've raised $116M from some of the world's best investors: GV (Google Ventures), Redpoint, Balderton, Point Nine, and 01A. We hire builders who thrive on complex technical challenges, hold themselves to a high bar, and genuinely care about delighting the people who use what they build. The team here brings sharp judgement, real craft, and the drive to do exceptional work. We're obsessed about the details and energized by the frontier. If you want to do the best work of your career, this is the right place. ABOUT THE ROLE Our Engineering team tackles the toughest challenges, so our users never have to. Real-time infrastructure, AI-native architecture, and a frontend that feels effortless - all powered by a team that moves fast, thinks rigorously, and holds an exceptionally high bar for quality. We’re looking for a Product Engineer who cares deeply about building beautiful, performant systems — and wants to help reinvent how millions of people work. WHAT YOU'LL DO * Use your strong expertise in JavaScript/TypeScript to implement product features in our Node.js backend and React frontend. * Be part of the teams that deliver cutting-edge user experiences in a high-performance, data-rich application, driven by your expertise with modern frontend development techniques or distributed systems. * Learn and grow from some of the best technical talent working in the industry today. * Represent Attio’s Product & Engineering values both internally and externally. WHAT YOU'LL BRING * Expertise with JavaScript/TypeScript. * A track record of independent delivery, solving real customer or product problems as part of a team. * A proactive, self-motivated problem solving attitude, with a strong passion for learning new skills and experimenting with new techniques. * A good understanding of how excellent technical work can create great user experiences. * An ability to communicate technical ideas to the wider team and influence stakeholders across Engineering, Product and Design. IT’S A BONUS IF YOU: * Have experience of building backends with Node.js, or frontends with React or another similar framework. * Have experience contributing to, or participating in open source projects. * Have experience working with data-rich applications, or processing large volumes of real-time data. * Love experimenting with new ideas, tools and techniques, and exploring new technologies. WHAT WE OFFER * Competitive salary of £80,000 to £95,000 * Equity in an early-stage tech company on an incredible trajectory * 25 days holiday plus local public holidays * Apple hardware * Private medical insurance through AXA * Pension contribution through Hargreaves Lansdown * Enhanced family leave * Team off-site in fun places! (We've been to Barcelona, Lisbon, Malta, and Split so far)