MUUUH! GmbH | Germany | 49xxx Osnabrück, Home-Office | Permanent position | Full time / Home office | Published since: 04.03.2026 on stepstone.de
AI Backend Developer (m/f/d)
Probably our grounded and solid name has brought you to it: MUUH! is a different company. With us, it becomes clear who is courageous to represent his position, is uncomfortable to himself, continues to think in every project and simply loves what he does. We give you a lot of freedom and responsibility: In our great teams, you can grow your tasks and, together with strong personalities in the fields of consulting, technology & solutions, raise the customer interfaces of various companies to a new level. actively shape the transformation of our customers and become part of our extraordinary team. We look forward to experiencing unique MUUH!ments with you! In our Backend Development Team we design the technological software foundation of modern customer experiences: flexible backend systems, high-performance interfaces and scalable architectures. With a strategic vision and deep understanding of individual customer requirements, we develop customized platforms and products that automate processes, support decisions and promote digital solutions sustainably. The diverse use of state-of-the-art AI technologies is in our own DNA and opens up a variety of innovative possibilities to our customers. Projektmanager (m/w/d) Permanent job, Full time · Osnabrück, Homeoffice
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Your tasks • Your profile • What we offer
Probably our grounded and solid name has brought you to it: MUUH! is a different company. With us, it becomes clear who is courageous to represent his position, is uncomfortable to himself, continues to think in every project and simply loves what he does. We give you a lot of freedom and responsibility: In our great teams, you can grow your tasks and, together with strong personalities in the fields of consulting, technology & solutions, raise the customer interfaces of various companies to a new level. actively shape the transformation of our customers and become part of our extraordinary team. We look forward to experiencing unique MUUH!ments with you! In our Backend Development Team we design the technological software foundation of modern customer experiences: flexible backend systems, high-performance interfaces and scalable architectures. With a strategic vision and deep understanding of individual customer requirements, we develop customized platforms and products that automate processes, support decisions and promote digital solutions sustainably. The diverse use of state-of-the-art AI technologies is in our own DNA and opens up a variety of innovative possibilities to our customers. Projektmanager (m/w/d) Permanent job, Full time · Osnabrück, Homeoffice
You develop high-performance backend services in cloud environments for our Conversational AI and Custom AI projects. You design and implement scalable APIs as well as microservices as backbone of modern applications. You seamlessly integrate AI and LLM services into productive customer solutions. You design and realize event drives architectures for responsive and decoupled systems. You actively promote the continuous development of our cloud and AI architecture. You are responsible for ensuring code quality, security and optimal performance across the entire lifecycle. You use AI methods such as RAG, Prompt Engineering and Agentic AI to realize complex logics. You use AI Assisted Coding and develop specifications-based workflows. Our Tech Stack: We work project-based and choose the tool that best meets the requirements of our customers. Programming languages: TypeScript, Java or Python Frameworks: NestJS/Node.js, Spring/Quarkus, FastAPI Databases: RDBMS/SQL (e.g. PostgreSQL), NoSQL (e.g. DynamoDB, MongoDB) and Key-Value Stores (e.g. Redis) APIs &Protocols: API Gateways, REST, GraphQL, OpenAPI, WebSockets and Webhooks Architectures: Serverless and Microservice topologies as well as CQRS and Event Sourcing-based platforms Cloud technologies: AWS, Azure, GCP and their managed services Tools: Git, Deployment Frameworks and Iac Tooling (Serverless Framework, terraform) AI & Data Ecosystem: Provider (OpenAI, Anthropic, Google Vertex AI), AI Coding Assistants (Claude Pro, Gemini Code Assist, Codex) Nice, but no must: NLP / NLU / ML Frameworks: LangChain, LlamaIndex, Pandas, TensorFlow, spaCy etc.
You have several years of professional or project experience in backend development and know exactly what it is about in productive systems. You can safely master our Tech Stack – especially in the fields of Typescript, Java or Python and have already successfully implemented several projects. You are safe in critical, reflected handling of AI Coding Assistants such as Claude Pro, Gemini Code Assist or Codex. You have deep expertise in design, specification and implementation of API-centric architectures. You are fascinated by working with cloud service providers and use their managed services securely for scaling your solutions. You have solid database knowledge (SQL/NoSQL) You will not only understand the possibilities of Generative AI and LLMs, but to translate them into real business values. You communicate fluently in German and English.
A dynamic, dedicated team with flat hierarchies, a collaborative corporate culture and a lot of design playroom. A responsible, versatile and challenging activity with space for your brave, uncomfortable and outstanding ideas. An open and lived feedback culture as well as regular strategy talks and individual training opportunities. We celebrate together on numerous team events in our in-house disco, enjoy an evening beer at our Bar Central and let the year end with an outstanding Christmas celebration. Exclusive sports at our gym or our sports hall. Grant to your JobBike & JobTicket. In addition, there are: 20% employer grant for your occupational pension scheme. Your job location Of course, we have a modern workplace, flexible working hours and places and the possibility of working at home. You can work fully remote or optionally in our sensational hailoft in Osnabrück or work at our Future of Voice location in Berlin. For important meetings, you should be in Osnabrück or Berlin once a month for one to two days. .
Location
![]() | MUUUH! GmbH | |
| 49078 Osnabrück, Home-Office | ||
| Germany |
The text of this ad was translated from German into English using an automatic translation system and may contain semantic and lexical errors. Therefore, it should be used for introductory purposes only. For more detailed information, see the original text of the ad at the link below.
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