Senior Full-Stack Product Engineer

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 (Full-Stack) Salary Not Disclosed Company Description Onetrace Ltd is the leading software provider for fire protection subcontractors across the UK. Based in London, it is a bootstrapped and profitable company that has become one of the fastest-growing names in the construction sector by delivering intuitive tools that ensure safety compliance and full traceability for complex building projects. Job Description You will report to the Director of Product Engineering, owning features end-to-end to ensure fire protection compliance and traceability. By partnering with product and design, you’ll build intuitive tools that raise safety standards for buildings across the UK, moving from user pain points to shipped code across the entire stack. Location London, UK Why this role is remarkable Work for a profitable, bootstrapped company that is one of the fastest-growing players in the UK construction sector without the volatility of traditional venture funding cycles.Solve high-stakes real-world problems by building software that ensures building safety and compliance, directly impacting the lives and safety of people in buildings across the country.Join a high-autonomy environment where you own features from conception to deployment and help shape the engineering culture and technical standards within a growing team. What You Will Do Own the end-to-end development of new features, handling everything from UI and application logic to database layers, observability, and automated testing strategies.Partner directly with product managers, designers, and customers to understand user pain points and translate them into high-impact technical solutions that work in the field.Mentor other engineers and raise the technical bar by implementing best practices in RESTful API design, CI/CD pipelines, and modern engineering workflows using AI tools. The ideal candidate Proven experience with JavaScript/TypeScript and Node.js, with the ability to navigate both MongoDB and SQL database environments effectively to build scalable B2B SaaS products.Strong background in building distributed systems and modern DevOps practices including AWS, Terraform, message queues, and automated monitoring/observability tools.Product-minded engineer who values user impact over just writing code, ideally with experience in growth-stage startups and a desire to work in a hybrid Canary Wharf office. 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.