Fullstack Developer (m/f/d)

Location: Remote | Vienna (Impact Hub Vienna) | Graz (Science Park Graz)

Employment: Full-time (Part-time possible)

Collective Agreement: Austrian IT (ST1  – depending on qualifications)

About LETO SPACE

At LETO SPACE, with our platform Spacegraph, we are building Europe’s leading AI driven discovery platform 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 TypeScript
• Design and implement backend APIs with Node.js / Express / NestJS
• Leverage innovative cloud services (Azure App Services, Azure Blob Storage, Azure SQL, MongoDB Atlas, N8N)
• Develop and optimize data pipelines for scraping, ETL, and integration of space-enabled solutions data
• Integrate and visualize geospatial data
• Use AI coding assistants (Claude Code, OpenAI Codex) 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
• Solid experience as a Fullstack Developer with modern JavaScript / TypeScript stacks
• Confident in cloud development (Azure preferred, AWS/GCP welcome)
• 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, N8N and 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 Offer

• Build the leading European platform for space-enabled digital and green transformation
• Hybrid work model & flexible hours
• 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