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

Discovered

GermanyRemoteInternPosted about 6 hours ago (Aug 12, 2026)

About the role

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:

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

@@HD@@ IndieKidz GmbH / Occibo:@@/HD@@ Location:

Remote

Employment Type:

Mandatory/Voluntary Internship / Pflichtpraktikum

Duration:

3–6 months