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.TasksManage server infrastructure and handle related technical issuesDevelop and maintain API endpoints using the Supabase JavaScript SDKIntegrate external APIs, including implementation of OAuth2 authenticationBuild frontend components using SvelteKit, Shadcn-Svelte, and TailwindCSSParticipate in strategic discussions about data modeling and architectureContribute to new feature development and thorough testingWork closely with founders on both frontend and backend developmentHelp ensure seamless data flow through system integrationsRequirementsEssential:Strong proficiency in PostgreSQL database managementExperience with S3-compatible storage solutionsKnowledge of Supabase or similar backend-as-a-service platformsAdvanced JavaScript/TypeScript skillsExperience with OAuth2 and external API integrationsExpertise in modern JavaScript frameworks (ideally Svelte/SvelteKit, or strong background in Vue/React with willingness to adapt)High coding and testing standardsPreferred:Ability to thrive in a fast-paced startup environmentSelf-motivated and independent working stylePrevious startup or small team experienceValid work permit for Switzerland and/or GermanyBenefitsRemote-friendly setup with flexible working hoursTwo-week on-site onboarding and quarterly meetups in ZurichOpportunity to make a positive environmental impactDynamic environment with significant influence on company evolutionGrowth potential for specialization as the team expandsPosition based in Switzerland or GermanyDirect contribution to climate goals through technologyWork alongside founders in a small, agile teamJoin 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.