Own vision and roadmap for the Energy product surface – across EMS, VPP & Market Flexibility, Energy Data Engine, and Savings Engine., Define optimization strategies and product logic for Heat Pump Load Shifting, Battery Self-Consumption and Arbitrage (Day-Ahead / Intraday), EV Smart Charging, aFRR and Flexibility Trading., Translate energy market mechanics, e.g., Day-Ahead, Intraday, Balancing Power, EnWG §14a, into clear product requirements and engineering tickets., Drive hardware and partner integrations across heat pumps, batteries, dynamic-tariff providers and connectivity – deciding what we build in-house versus what we integrate., Work hands-on with engineering on EMS architecture, API integration, telemetry pipelines and forecasting models., Define and own the KPIs that matter, e.g., €/asset/month, self-consumption ratio, flexibility revenue per battery-kWh, savings-stack contribution per use case., Measure success, orchestrate sprints and releases, and navigate the four product risks (customer value, usability, feasibility, business value) with a particular focus on technical feasibility and regulatory constraints., Support go-to-market for new energy products and pricing tiers in collaboration with Sales, Marketing and Customer Success – making complex energy economics tangible for homeowners.