suena energy is a green tech startup specializing in algorithmic energy trading for energy storage systems and renewables. Our AI-powered software maximizes the revenues of large-scale energy storage and renewable assets on European short-term power markets—while minimizing risk. * Who thrives here: Senior backend engineers with leadership ambition, cloud & API experience, and a love for robust, scalable systems * Must-haves: 5+ years backend experience, cloud deployment, API authentication & authorization, zero-downtime deploys, experience with user management systems, security mindset * Dealbreakers: No cloud/API/auth experience, mainly CRUD web app background, desire to work fully solo * Confident designing and scaling APIs, databases (PostgreSQL/TimescaleDB), and distributed/
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