(Senior) Product Engineer (f/m/x)

Our goal is to have a solar system on every roof, a storage unit in every house, and an electric car in every garage. Enpal makes this possible with an integrated total solution for decentralized energy—from solar systems and battery storage to wall boxes, smart meters, and heat pumps. At the heart of it all is our AI-powered platform Enpal.One+, which intelligently connects thousands of systems and efficiently optimizes electricity procurement and feed-in on the energy market. About Enpal's Innovation SubsidiaryAt Enpal's Innovation Subsidiary Omniwatt, we're building the future of smart energy for European households. Our vision is a Europe where every household manages its energy intelligently and everyone benefits. Our mission is to bring innovative energy products directly to consumers, including smart meters, electricity tariffs, and Virtual Power Plant (VPP) solutions. As part of our Commercial Team, we're building our B2C growth engine from the ground up. We're launching new customer acquisition channels, experimenting with new products, and continuously working towards product-market fit. We are looking for a Product Engineer who works at the intersection of product, engineering, and growth. In this role, you will develop and launch digital products, build and test MVPs, and implement technical solutions that improve customer acquisition. What you’ll do1. Build & Launch Digital Products Build customer-facing applications, landing pages and conversion funnels to support B2C growth. Rapidly develop, launch, and iterate on MVPs to test hypotheses and validate new product ideas. Design and run data-driven experiments to measure performance and continuously improve customer acquisition. 2. Drive Product & Growth Work closely with C-Level Members and the Commercial Team to identify opportunities to improve the customer journey and increase conversion rates. Translate commercial needs into product requirements and prioritize initiatives based on business impact. Leverage AI-powered tools and develop custom solutions to automate workflows and improve commercial performance. 3. Work close with both, the Engineering & Commercial Team Collaborate with central engineering teams on API integrations, customer handovers, and data consistency across systems. Take end-to-end ownership of technical initiatives, proactively managing dependencies and balancing speed with quality and scalability. Act as the technical interface between Commercial and Engineering, aligning business requirements with technical implementation. What you’ll bringEducational background: An excellent academic track record, ideally with a Bachelor's or Master's degree in Computer Science, Engineering, Business, or a related quantitative field. Relevant experience: Initial professional experience in software engineering, product development, technical product management, or as a startup founder, ideally in a fast-growing, entrepreneurial environment. Hands-on engineering skills: Strong proficiency in modern web technologies such as JavaScript, React/Next.js, and HTML/CSS. Experience with tools such as Vercel, Supabase, and PostHog or comparable alternatives. Will to win: A strong drive to achieve ambitious goals, take ownership, and consistently deliver results, even with limited resources. You set high standards, move fast, and proactively overcome challenges. Builder mindset: A proven track record of independently developing and shipping products, tools, or automations that have created measurable business impact. Analytical approach: Strong analytical and problem-solving skills, with the ability to make data-informed decisions and measure the impact of your work. Languages: Full professional proficiency in German and English. What Makes This Role UniqueBuild from zero: Play a key role in building Omniwatt's digital growth engine and launching new smart energy products. End-to-end ownership: Own the full product lifecycle, from identifyin