Full-Stack Software Engineer

You’ll join a small, experienced engineering team and work across the stack-building features, improving infrastructure, and scaling smart meter data processing, billing, and user portals. The core stack is Ruby on Rails with PostgreSQL and Stripe integration, with plans to expand using frontend frameworks like React.

• 2+ years of experience in full-stack web development

• Proficiency with Ruby on Rails or similar frameworks

• Strong database and frontend skills (JavaScript, HTML/CSS, REST APIs)

• Familiarity with cloud infrastructure (AWS, CI/CD, etc.)

• Enthusiasm for startups, clean tech, and hands-on work

This role is based in Berlin with flexible on-site work. German language skills are helpful but not required.

• Competitive salary,
• mentoring from an experienced Head of Engineering,
• equity potential,
• the chance to make a real impact from day one.