About The RoleWe're a Berlin-based energy tech startup building a full-stack platform that helps energy providers — from OEMs to installers — deliver dynamic electricity plans and cost-saving energy services to European businesses and consumers. We're at an early, high-impact stage, and we're looking for a Product Engineer who sits at the intersection of customer discovery, end-to-end delivery, and engineering culture.You'll own mission-critical problems in energy retail — billing, procurement, retention, cost optimisation — and use strong product judgment and AI-native tooling to turn complex domain challenges into intuitive, production-grade experiences. This is a role for someone who wants outsized impact on a small, mission-driven team.What You'll DoSit with customers to dissect problems and develop product intuition that directly guides engineering decisions. Ship end-to-end solutions across the full stack, taking features from discovery through to production. Leverage AI-native development tools (e.g., Claude Code, Cursor) as force multipliers to accelerate output and increase impact. Own zero-to-one problems — such as dunning workflows or customer portal re-engineering — from blank page to live product. Prioritise and curate the work queue: decide what to build, what to skip, and when to kill initiatives. Tackle core energy retail challenges: billing, procurement, customer retention, and cost optimisation. Shape engineering culture, tooling, and processes; help recruit and raise the bar for the team. Adapt quickly to new tools and methods, and bring the rest of the team along with you. What We're Looking ForMust-haves:A clear track record of shipping real product work — we care about what you've built, not just years on a CV. 2+ years of software engineering experience delivering end-to-end, full-stack products to production. Proven experience owning zero-to-one problems from discovery through to production deployment. Hands-on experience with AI-native codebases and AI-assisted development tools (e.g., Claude Code, Cursor). Experience solving billing, procurement, customer retention, or cost-optimisation problems — ideally in energy retail or a comparable consumer-facing domain. High ownership mindset, strong judgment, and comfort thriving in ambiguity and early-stage environments. Nice to have:Experience shaping engineering culture, tooling, and processes in a small or early-stage team. Contributions to core products in high-engineering-bar environments or successful open-source projects. Experience operating with extreme ownership in a high-growth, fast-moving environment. Compensation & BenefitsSalary: $80,000 – $120,000 per year (or equivalent)Early-stage equity opportunityWork on a small, high-ownership team with direct product and business impactVisa sponsorship: Not available — candidates must have the right to work in GermanyLocationThis role is on-site in Berlin, Germany (Mitte). We're looking for people who want to be present and embedded with the team — remote-only arrangements are not available for this position.

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