Senior Product Engineer (Backend)

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 Product Engineer (Backend) Salary £95,000 - £125,000 + Equity Company Description $116M Series B AI-native CRM backed by GV, Redpoint, and Balderton Job Description Join a high-growth startup reinventing the CRM for the AI era. As a Senior Product Engineer, you will architect systems processing 250,000+ events per minute using Node.js and TypeScript. Working under a VP of Engineering who led 600+ engineers at Google, you will own features end-to-end to serve 5,000+ paying customers. Location London, UK (Remote-friendly) Why this role is remarkable Exceptional engineering leadership under a former Google VP/Snyk SVP, fostering a culture of high craft and minimal process.Massive technical scale involving real-time data ingestion and AI-native workflows for over 5,000 ambitious GTM teams.Strong financial backing with $116M raised from top-tier investors including GV (Google Ventures), Redpoint, and Point Nine. What You Will Do Lead end-to-end projects solving complex customer problems by architecting high-performance systems on Google Cloud Platform.Design and implement robust REST API contracts for internal and external consumers to support a flexible, data-rich ecosystem.Re-architect existing backend systems to meet the scaling demands of a rapidly growing global user base. The ideal candidate Deep expertise in Node.js and TypeScript with a track record of building scalable, data-intensive cloud-native applications.Strong product intuition with the ability to collaborate directly with customers and stakeholders across Product and Design.Proactive problem-solver who thrives in a fast-paced environment and holds an exceptionally high bar for code quality. 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.