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About the Role We're a small, mission-driven energy technology company building a full-stack platform that enables hardware manufacturers and energy providers to offer dynamic electricity plans to European households. Our team operates at the frontier of AI-assisted development, licensed electricity retail, and complex domain engineering — and we're looking for a product-focused engineer who thrives at the intersection of customer discovery, end-to-end delivery, and engineering culture. This is a high-ownership, zero-to-one role. You'll work directly with customers, shape the product, and ship production-grade experiences that move the business in a measurable way. What You'll Do Sit with customers to dissect problems and develop product intuition that drives engineering decisions. Ship end-to-end solutions across the full stack, taking features from discovery through to production. , Claude Code, Cursor) as genuine force multipliers for your output. Own zero-to-one problems — think dunning workflows, customer portal re-engineering, billing infrastructure. Prioritize ruthlessly: decide what to build, what to skip, and when to kill an initiative. Solve core energy retail challenges: billing, procurement, customer retention, and cost optimization. Shape engineering culture, tooling, and processes, and help raise the bar as the team grows. Adapt quickly to new tools and methods, and bring teammates along to the frontier. What We're Looking For Must-haves: A track record of shipping real product work — we assess what you've built, not just years on a résumé. 2+ years of software engineering experience delivering end-to-end, full-stack products to production. Proven end-to-end ownership of zero-to-one problems, from discovery to live product. Hands-on experience with AI-native codebases and AI-assisted development tools. Comfort solving billing, procurement, customer retention, or cost-optimization problems in a consumer-facing or energy retail domain. Experience shaping engineering culture, tooling, and processes in a small or early-stage team. High ownership mindset with strong judgment and an ability to thrive in ambiguity. Nice to have: Background in energy retail, utilities, or adjacent regulated industries. Contributions to high-engineering-bar environments or notable open-source projects. Experience operating with extreme ownership in a high-growth, fast-moving startup. Compensation & Benefits Salary: €80,000 – €120,000 per year, depending on experience. Early-stage equity participation. Direct influence over product direction and engineering culture at a pivotal stage. Location On-site in Berlin, Germany (Mitte area). Remote work is not available for this role. Visa sponsorship is not available — candidates must have existing authorization to work in Germany. Find more English Speaking Jobs in Germany on Arbeitnow

Product Engineer

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