Mandatory Internship(Unpaid): Agentic Backend / Full-Stack Developer(NodeJS/Type

IndieKidz GmbH is a Berlin-based early stage startup building creative learning products for children. Our software product, Occibo , is an AI-assisted children’s book creation platform. It helps authors, parents, teachers, and small publishers turn a manuscript into a complete children’s book workflow, including editing, illustration planning, character consistency, layout, export, and promotional assets. We are looking for a motivated Backend / Full-Stack Developer Intern to support the development of Occibo mainly open to work in early stage startup. Duration: 3–6 months / Compensation: Unpaid mandatory internship Tasks You will work on the technical development of Occibo, mainly on backend services, APIs, database logic, file handling, AI workflow integration, and selected full-stack features. This role is ideal for a student who wants hands-on experience building a real SaaS product using modern backend and AI infrastructure. - Build and improve backend APIs using Node.js, TypeScript, and Express.js - Work with Supabase for database, authentication, and data management - Good to have: Expereince in Langchain/Langgraph/Mastra - Support file storage workflows using Cloudflare R2 - Help build AI workflow orchestration for book creation, illustration, layout, and export - Work with queue-based processing using Redis and BullMQ - Support integration with AI image-generation workflows such as ComfyUI - Create clean, maintainable, and well-documented code - Debug, test, and improve existing backend services - Support selected frontend or full-stack tasks when needed - Collaborate with product, design, and content team members Requirements - You have hands-on knowledge of JavaScript / TypeScript - Preference would be given you have strong knoweldge in AI Agentic frameworks like Langchain, Langgraph, Mastra - You understand backend development, APIs, databases, and Git - You are interested in early stage AI, SaaS products, and product development - You can work independently in a remote setup - You write clean code and are willing to learn - You are reliable, curious, and proactive Benefits - Real experience building an AI SaaS product from early stage - Hands-on work with modern backend and AI infrastructure - Exposure to product thinking, architecture, and startup execution - Opportunity to work directly with the founder - Remote and flexible working setup - Internship certificate after successful completion - Recommendation letter based on performance Company IndieKidz GmbH / Occibo: Location: Remote Employment Type: Mandatory/Voluntary Internship / Pflichtpraktikum Duration: 3–6 months Compensation: Unpaid mandatory internship Please send us: Your CV GitHub profile or portfolio Short note explaining why you are interested in this internship Your required internship duration, availability hrs/week and earliest start date Originally posted on Himalayas