Senior Fullstack AI Developer (m/f/d) AI/LLM Integration

Project overview

Dear Network,

We are currently looking for a Senior Fullstack AI Developer (m/f/d) AI/LLM Integration

Responsibilities

• Conception, development, and further development of modern web applications based on TypeScript, Node.js, Angular, and PostgreSQL
• Integration and connection of Large Language Models (LLMs) as well as development of AI-powered functions such as intelligent search, summaries, assistance functions, and analysis functions
• Conception and implementation of AI agents, tool integrations, and Model Context Protocol (MCP) connections
• Development, integration, and optimization of backend services, APIs, and data models for providing AI-powered functions
• Execution of architectural decisions and technical concept work for new product features
• Ensuring software quality through automated tests, error analysis, performance optimization, and code reviews
• Professional collaboration with Product Owners, Business Analysts, UX Experts, Testers, and other Developers to implement business requirements
• Active consultation on technical coordination, refinements, sprint meetings, and architecture workshops
• Consultation on the evaluation of new AI technologies, frameworks, and integration possibilities
• Operation, monitoring, and continuous further development of applications in a DevOps model using GitLab and Kubernetes
• Documentation of technical solutions and knowledge transfer within the development and project team

Requirements

We would be pleased to present a great project to you.

I therefore look forward very much to receiving your profile, stating your availability and your conditions (remote and possibly on-site).

• More than 3 years of experience in backend development with TypeScript and Node.js within the last 5 years
• More than 3 years of experience in frontend development with Angular
• Experience in integrating a Large Language Model (LLM) into a web application (at least 1 project reference)
• Experience with RAG systems (Retrieval Augmented Generation) (at least 1 project reference)
• More than 3 years of experience in developing applications with PostgreSQL
• Experience with Model Context Protocol Servers (MCP Servers), Tool Calling, or comparable integration architectures for LLM applications (at least 1 project reference)
• More than 3 years of experience with DevOps toolchains for CI/CD and Kubernetes-based deployments, especially GitLab, Kubernetes, and Helm
• Experience in developing and implementing agentic AI applications using AI agents, multi-agent systems, or agentic workflows (at least 1 project reference)
• Up to 3 years of experience in developing applications with WebSocket communication
• Experience in the conception and implementation of user-friendly application interfaces (UX/UI) according to WCAG standards (at least 1 project reference)
• Industry knowledge and experience in the conception or implementation of information systems for railway transport companies (EVU) (at least 1 project reference)

Project details

01.11.2026 - 31.12.2029 ++

Remote 636 PT / FFM 64 PT

Utilization: 100%, German-speaking

• Start: 2026-11
• Duration: 37 Monate
• Remote: hybrid
• Location: Frankfurt am Main, Deutschland, DE
• Languages: German