Fullstack Developer (m/f/d)
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Employment: Full-time (Part-time possible) About LETO SPACEAt LETO SPACE, with our platform Spacegraph, we are building Europe's leading AI drivendiscoveryplatform for space-enabled solutions We help cities and private companies leverage satellite data, geospatial technologies, and AI to drive smarter and greener decisions. Your Mission As a Fullstack Developer, you will design and implement core features of our Spacegraph platform. You'll work with a modern, scalable stack, integrate geospatial data, and apply AI developer tools to accelerate development and innovation.
Key Responsibilities:
- Architect, build and maintain web applications using Next.js, React, and TypeScriptDesign and implement backend APIs with Node.js / Express / NestJSDevelop and optimize data pipelines for scraping, ETL, and integration ofspace-enabled solutions data
- Integrate and visualize geospatial data
- Use AI coding assistants (Claude Code, OpenAICodex) to improve efficiency and code quality
- Collaborate closely with product management and UX to shape technical direction and features
Your Profile:
- Degree in Computer Science, Software Engineering, Geoinformatics, or comparable qualification
- Hands-on with geospatial data, APIs & visualization
- Curiosity and skill in using AI developer tools to accelerate development
- Strong sense of code quality, testing, and secure architecture
- Very good English; German is a plus
Nice to Have:
- Deep knowledge of Next.js, N8Nand CI/CD pipelines (GitHub Actions)
- Understanding of authentication & authorization (OAuth2, RBAC, Entra ID)
- Experience designing scalable data architectures and working with vector databases (MongoDB Atlas, Neo4j)UI/UX understanding and experience with design systems
- Experience working in agile, product-driven teams
- We OfferBuild the leading
- European platform for space-enabled digital and green transformation
- Professional development & certification opportunities in geospatial, AI, and software architecture
- Starting annual gross salary from €54,000 (significant overpayment possible depending on experience) plus individual performance-based bonus
- Free annual public transport pass (Klimaticket) for convenient, eco-friendly commuting
- Regular team lunches and events fostering collaboration and team spirit
- Shared travel to international space events & conferences
- Selected sports and wellness activities sponsored by the company