Fullstack Developer (80-100%) - Remote/Hybrid/On-site

Solarstream is building the central working interface for solar installations in Switzerland. Our software automates document and file management, enhances customer and partner communication, and provides clear project status overviews. As our first full-time developer hire, you'll join our technical co-founder in driving our mission to make solar installations more efficient and error-free, directly contributing to environmental sustainability through technology.

• Manage server infrastructure and handle related technical issues
• Develop and maintain API endpoints using the Supabase JavaScript SDK
• Integrate external APIs, including implementation of OAuth2 authentication
• Build frontend components using SvelteKit, Shadcn-Svelte, and TailwindCSS
• Participate in strategic discussions about data modeling and architecture
• Contribute to new feature development and thorough testing
• Work closely with founders on both frontend and backend development
• Help ensure seamless data flow through system integrations

Essential:

• Strong proficiency in PostgreSQL database management
• Experience with S3-compatible storage solutions
• Knowledge of Supabase or similar backend-as-a-service platforms
• Advanced JavaScript/TypeScript skills
• Experience with OAuth2 and external API integrations
• Expertise in modern JavaScript frameworks (ideally Svelte/SvelteKit, or strong background in Vue/React with willingness to adapt)
• High coding and testing standards

Preferred:

• Ability to thrive in a fast-paced startup environment
• Self-motivated and independent working style
• Previous startup or small team experience
• Valid work permit for Switzerland and/or Germany

• Remote-friendly setup with flexible working hours
• Two-week on-site onboarding and quarterly meetups in Zurich
• Opportunity to make a positive environmental impact
• Dynamic environment with significant influence on company evolution
• Growth potential for specialization as the team expands
• Position based in Switzerland or Germany
• Direct contribution to climate goals through technology
• Work alongside founders in a small, agile team

Join us in accelerating the transition to renewable energy by making solar installations more efficient. We are looking forward to reviewing your application, including your CV and an optional cover letter explaining your interest in SolarStream. We'd love to see examples of your work through code repositories or relevant code snippets (respecting any confidentiality agreements). Additional portfolio items showcasing your fullstack development skills are welcome. Position available in Switzerland or Germany only - candidates must have valid work permits for these locations.