CTO / Head of Engineering

sun.store is the biggest B2B marketplace for solar and energy storage components in Europe. The company processes over €100m GMV annually, serves more than 45,000 B2B users, and operates on a truly pan-European scale with 90% of transactions crossing borders. They have been recognized by Sifted as the #1 fastest-growing startup in Europe in the Future 50 ranking and are building toward becoming the dominant platform in their space with plans for expansion into adjacent verticals.

• Experience in startup or scaleup environments
• Background with marketplaces, operational systems, or AI tooling
• Strong software engineering fundamentals
• Exposure to ML / AI is a major plus
• Experience managing and growing engineering teams
• Highly energetic and hands-on
• Deep curiosity about AI agents and ML
• Excited by scaling real businesses beyond just coding
• Comfortable making product and business decisions
• Capable of leading engineering while staying close to execution
• Pragmatic and fast-moving
• Interest in building an AI-native company

• Building a suite of internal and external tools focused on AI agents, operational automation, pricing intelligence, logistics orchestration, sales enablement, merchant tooling, and AI-assisted workflows for teams and customers
• Leading engineering teams while staying close to execution
• Making product and business decisions
• Shaping the future architecture of the company
• Collaborating closely with founders and leadership