Software Engineer (AI Focus) (m/f/d) - German Required

Job description

We love challenges. We love to build. We love to make things happen. At JUSTROCKET we build products, we invest in scalable ideas, we rethink core businesses and processes, and we co-found new ventures. And to make all this happen we build teams – but not simply ordinary teams. We build self-organizing, cross-functional teams by empowering its members to take responsibility and ownership in the product building process. Paired with powerful tools as well as proven and truly followed processes we succeed – as a team. On top of all that we put together the brightest minds in various areas to create an exceptional network and ecosystem of entrepreneurial-minded and execution-oriented experts. This is the JR Ecosystem. JUSTROCKET builds a driven tech community in Cluj-Napoca since 2016. About the project, we need power for In collaboration with one of our partners, who are the leading software providers for digital work instructions, checklists, and protocols, we are creating a platform where companies lay the foundation for digitized production and reduce the effort for their process documentation. Industrial companies from all industries benefit from the targeted digitization, as it is now much easier for them to provide all relevant information to their employees at the right time and in the right place. Some more interesting project facts 💡 Cloud-based SaaS product targeted at customers all around the world 💡 Modern web-tech stack built on TypeScript, NodeJS, and Angular 💡 Focused on building a sustainable, long-term product with solid technical foundations 💡 Young and ambitious team with members from over 8 countries 💡 The team is committed to solving hard problems for the users by working hand in hand with the customers and building innovative features they really need Tasks We are looking for a Software Engineer (m|f|d) to join the local team in Cluj-Napoca. You'll play a key role in bringing AI concepts to life in production-ready, customer-centric applications, spanning from quick prototypes all the way to scalable product features. This is a client-facing role; therefore, fluent German is a must. You will become a key member of a cross-functional product team, actively shaping a long-term vision: an AI Assistant that supports operations teams across all production workflows from planning and execution to analysis and continuous improvement. As part of your daily business, you will: ⏩ Design, develop and deliver AI-powered features end-to-end: from proof of concept to production on our Partner's stack (Angular, Node/TypeScript, PostgreSQL, Azure) ⏩ Evaluate and integrate AI/ML services, APIs, and open-source models to solve real customer problems (document processing, root-cause analysis, ERP/MES integrations) ⏩ Shape the AI/ML tech stack with real ownership over tools, frameworks, and architecture ⏩ Build and maintain eval frameworks to ensure AI outputs meet quality, reliability, and safety standards ⏩ Collaborate with product and engineering, identify high-impact AI opportunities, and grow AI competency across the team Requirements You shall bring: ✅ 5+ years of experience as a Software Engineer with proven hands-on AI/ML experience (e.g. LLM integration, data pipelines, ML model deployment) ✅ Strong software engineering fundamentals: writing well-structured application code (not just notebooks or scripts) with modern development practices ✅ Experience with modern AI/ML frameworks such as LangChain/LangGraph, vector databases, and OpenAI APIs ✅ Familiarity with TypeScript and web frameworks ✅ The ability to move fast from proof of concept to production, with an experimental yet methodical approach ✅ Strong conceptual thinking — able to connect the dots and communicate technical trade-offs clearly to both technical and non-technical stakeholders ✅ Professional proficiency in both German and English (written and spoken) Nice to have qualifications: ⏩ Experience with Azure OpenAI Services, LangGraph, and pgvector/RAG architectures ⏩ Background in industrial or manufacturing software (MES, ERP integrations) ⏩ Experience writing architectural decision records or cost/build-vs-buy analyses We have a cutting-edge tech stack and don't need to rely on any legacy projects. The general tech stack of the project is: 🖥 NodeJS 🖥 Typescript 🖥 Angular 🖥 Docker-based CI/CD processes 🖥 Azure OpenAI Services & LangGraph 🖥 Cloud technologies: Microsoft Azure (IaC, Kubernetes, ArgoCD) Benefits The partner provides 💪 Assistance in setting up the project/integrating with the team 💪 A role with real ownership and architectural influence from day one 💪 Free choice of hardware 💪 25 days of vacation, flexible working hours including remote options 💪 A personal development budget 💪 Possibility to work remote (we will empower a flexible hybrid mode forever) 💪 Company-wide events and a collaborative team culture 💪 anything you are missing – let's talk! Some final words You will be joining a dynamic and crossborder team in Cluj, working closely together with product owners, UX/UI, and the overall development team. If you have any further questions feel free to contact us any time! Looking forward to meeting you for a (virtual) coffee or tea ☕️