At Reonic, we’re on a mission to simplify the renewable energy transition. As our Revenue Analytic & AI Data Engineer, you will be the architect of our data ecosystem. You’ll take full ownership of making customer and revenue data accessible, building our data infrastructure from the ground up, and deploying AI to supercharge our growth. What You’ll Do Build the Foundation: Architect and build our data warehouse from square one, ensuring a scalable and "single source of truth" environment. Data Accessibility: Design and maintain robust pipelines to make data from our customers, HubSpot, and Aircall fully usable and accessible across the organization. AI Integration: Implement AI-driven workflows and predictive models to automate insights, lead scoring, and trend forecasting. Hands-on Engineering: Work directly in Python (or TypeScript) to integrate diverse data sources yourself Strategic Impact: Collaborate with Sales, Marketing, and Success teams to transform complex datasets into powerful BI dashboards that drive faster, smarter decisions. ✅ What Makes You a Great Fit Startup Veteran: You have proven experience working in a Seed, Series A, or Series B startup. You thrive in ambiguity and know how to build lean, effective systems. Data Architect: You have at least 3 years of experience in BI/Data Engineering, with a track record of building data warehouses and integrating SaaS tools (HubSpot and Aircall experience is a huge plus). Technically Fluent: You are an expert in Python (TypeScript is a bonus) and have a deep understanding of modern BI tools and SQL. AI-Forward: You are passionate about how AI can optimize revenue processes and have the skills to implement it. Proactive & Structured: You don’t wait for a ticket; you identify bottlenecks in our data flow and fix them. Linguistic Skills: You speak fluent English. Why Work at Reonic? High Impact: You aren't just a cog in the machine; you are building the machine. Your work directly shapes our business strategy. Green Tech Mission: Join a VC-backed startup with 2,000 B2B customers, all working toward a sustainable future. Collaborative Culture: Join us on-site in Berlin. We believe the best innovation happens when the team is in the same room. One last thing: If you’re worried you don’t check every single box, apply anyway. We value grit, curiosity, and the ability to learn over a perfect resume.