Full-Stack Developer, AI, SaaS Startups
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Job Description
Fullstack Developer building scalable SaaS products, cloud platforms, and LLM features for German startups. Developing MVPs from concept to launch with modern frontend and backend technologies.
Responsibilities:
- Develop and enhance modern web applications across the frontend and backend
- Build and integrate LLM-powered features, such as GPT models and RAG systems
- Integrate OpenAI and Anthropic APIs
- Deliver MVPs for startups—from concept through launch
- Work closely with founders and Product Owners on technical concepts
- Implement and integrate databases, APIs, and cloud services
- Take responsibility for clean, maintainable, and scalable code
Requirements:
- Experience as a full-stack developer using modern frameworks, such as React, Next.js, Node.js, NestJS, or comparable technologies
- Knowledge of working with Large Language Models (LLMs) and AI APIs, including OpenAI, LangChain, and Hugging Face
- Experience with databases (SQL and NoSQL) and cloud services (AWS, Hetzner, or Azure)
- Understanding of software architecture, Clean Code, and DevOps processes
- Independent and self-directed working style, enthusiasm for innovation, and an interest in AI technologies
- German language skills at B2 level or higher
Benefits:
- 100% remote work and flexible working hours
- Projects with real founders, startups, and scalable ideas
- Work with the latest AI technologies and cloud stacks
- Flat hierarchies, short decision-making paths, and plenty of room to shape solutions
- Professional development in AI, SaaS, and automation
- A motivated, tech-focused team with a startup spirit
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