Full Stack Developer

About the job At VerdAI, we are building the compliance platform for sustainable investments. Our AI-powered software helps banks, asset managers and pension funds document that their sustainable funds meet EU regulation, replacing large manual spreadsheets with automated assessments where every conclusion is traceable to its source. Our production MVP is live today and is being tested by a Danish bank and two asset managers. Demand for transparent, auditable compliance tools is growing fast, and VerdAI is building the infrastructure for it. The position VerdAI was founded in 2026 and is self-funded by its founders. We have a working product in production, and our next step is to make it ready for more customers. We are looking for a full stack developer to take the MVP further and help build a platform that can scale. You will work hands-on with development across the full stack, from architecture to frontend. Your main tasks will be to further develop our MVP, including: Building multi-org support with workspaces, role-based access and team collaborationIntegrating EU-hosted language models (e.g. Mistral) for clients with data residency requirementsBuilding a shared knowledge base so documents and data are reused across usersIntegrating new data sources and APIs into the platformDeveloping existing features in the frontend (Next.js) and backend (FastAPI)Debugging and fixing issues across the platformBuilding automated tests and quality assurance of the platform's outputTechnical documentation of changes and data modelsOwnership of hosting and infrastructure, including deployment, monitoring, scaling and security of the platformYou will work closely with our CPO and CEO. We keep overhead and bureaucracy to a minimum, which means you have real influence on how we build, prioritise and deliver new features. Our tech stack Frontend: Next.jsBackend: FastAPI (Python)Database and auth: Supabase (PostgreSQL) with row-level security and PKCE authenticationAI: Model-agnostic architecture supporting OpenAI, Claude, Mistral and HuggingFace modelsSecurity: CSP headers, rate limiting and per-run PDF isolation What we're looking for You don't have to tick every box, but you should feel confident working in our stack. What matters is that you are an experienced developer who takes ownership and gets things done. Here's what would be a good fit: Experience with React/Next.js or equivalent for web applicationsRESTful APIs in Python/FastAPI or similarSupabase (PostgreSQL) or other SQL databasesTypeScript and JavaScriptContinuous integration and test automationAn MVP-driven approach to developmentFocus on quality, security and doing things right You get extra points if you: Have experience with LLMs, RAG or multi-agent architecturesHave worked with EU-hosted or self-hosted modelsHave experience with multi-tenant SaaS and role-based accessHave a GitHub or similar account with sample codeHave worked in fintech or other regulated environments What's in it for you? Help build infrastructure that makes sustainable investments more transparentReal ownership and influence on architecture and product from day oneAn early-stage startup journey with a small, experienced teamFlexible working hoursOffice at Ryvangs Allé 81, Hellerup Reporting line Directly to the CEO. Compensation Competitive salary / warrant programme. How to apply Send an e-mail to jacob.gallaus@verdai.io including: Updated CV and link to your LinkedIn profileLink to GitHub or similar with examples of your work Reach out to Jacob Gallaus, jacob.gallaus@verdai.io to hear more about the position. Note that we are looking for candidates who can work mostly on-site in Hellerup, Denmark.