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

This is a client-facing role; therefore, fluent German is a must.
✅ 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)
⏩ 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

Join our mission to strengthen the manufacturing industry, helping companies stay ahead in a competitive world by developing an innovative, impactful product.
Our SaaS platform gives manufacturing companies a strong foundation for shop floor digitization, connecting people, processes, and systems across the entire value chain, from planning and execution to analysis and continuous improvement.
You will work on the core product that helps our customers reduce production costs, improve quality, and unlock the potential of their teams on the shop floor. Some more interesting project facts
💡 Cloud-based SaaS product targeted at shop floor digitisation
💡 Modern web-tech stack built on Angular, NodeJS, and Microsoft Azure
💡 Focused on building a sustainable, long-term product with solid technical foundations
💡 Integrating AI coding agents & agentic development tooling into daily engineering workflows
💡 The team is committed to solving hard problems for the users by working hand in hand with product teams and building innovative features they really need
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
We have a cutting-edge tech stack and don’t need to rely on any legacy projects.
In case you are interested in the tech part: the project's general tech stack is:
🖥 NodeJS
🖥 Angular
🖥 Microsoft Azure
🖥 AI coding agents & agentic tooling
🖥 Docker-based CI/CD processes
💪 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!
You will be joining a dynamic and cross-border project team in Cluj, working closely together with product managers, designers, and a development team of engineers. If you have any further questions feel free to contact us any time! Looking forward to meeting you for a (virtual) coffee or tea ☕

JUSTROCKET is building teams for European tech companies.
Our headquarters has been in Cluj-Napoca since 2016.