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 TitleStaff Product Engineer (d/f/m)Salary€130,000 - €165,000 + EquityCompany DescriptionLeapsome is a $60M Series A AI-powered people platform backed by Insight Partners that is revolutionizing HR for over 2,000 global organizations. Founded in Berlin, the company provides a unified ecosystem for performance management, engagement, and learning, empowering high-performing teams to create environments where employees can truly thrive and grow.Job DescriptionAs a Staff Product Engineer at Leapsome, you will be the technical anchor for a high-impact team transitioning a proven HR suite into a proactive, agent-driven platform. You will design intelligent systems, orchestrate complex AI workflows using RAG and multi-agent architectures, and own the end-to-end delivery of features that reshape how thousands of companies manage their people.LocationBerlin, GermanyWhy this role is remarkableLead the most significant technical shift in Leapsome’s history, moving from reactive HR tools to a proactive, agent-driven platform that acts on deep employee context.Join a $60M Series A scale-up backed by Insight Partners with a profitable growth mindset and a mission-driven culture focused on making work fulfilling for everyone.Enjoy exceptional benefits including a top-of-market salary band, pre-IPO equity, a €2,000 annual learning budget, and the flexibility to work from anywhere two months a year.What You Will DoArchitect and build robust, scalable full-stack applications using Vue.js, Node.js, and MongoDB, integrating LLM-driven agents and stateful RAG pipelines for autonomous HR workflows.Partner directly with product and design as a strategic technical peer to shape the roadmap, challenge assumptions, and ensure engineering systems solve high-impact user problems.Pioneer engineering excellence by establishing AI evaluation suites, tool-calling schemas, and human-in-the-loop safety fallbacks while mentoring the broader team on AI-native development patterns.The ideal candidateYou have significant experience as a technical lead, founding engineer, or senior IC at a high-growth company with deep expertise in modern JS/TS frameworks.You possess a proven track record of shipping production-grade LLM applications, including multi-agent orchestration and advanced RAG architectures, rather than just basic prototypes.You are an AI-native developer who leverages tools like Cursor and CodeRabbit as force multipliers while maintaining total accountability for every line of code that ships.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 jobsThis 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.

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Staff Product Engineer (d/f/m) (€130,000 - €165,000 + Equity) at Leapsome