> Markdown version of [/jobs/ext/3340303-junior-ai-xr-systems-engineer-phd-track](https://www.wearedevelopers.com/jobs/ext/3340303-junior-ai-xr-systems-engineer-phd-track). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Junior ai-xr systems engineer / phd track - **Company:** Universitat Politècnica de València - **Location:** Valencia, Spain - **Contract:** Permanent contract - **Skills:** Microsoft Access, Artificial Intelligence, Systems Engineering - **Published:** September 3, 2026 - **Apply:** https://www.studentjob.es/ofertas/8436031-junior-ai-xr-systems-engineer-phd-track/solicitudes/nueva ## About the Role This position is intended for someone who wants to grow technically and develop an applied Ph D at the intersection of LLM agents, software architectures, human-AI interaction, virtual humans, digital twins, and XR environments. The project will develop a platform in which users will be able to interact by voice with virtual human avatars integrated into XR environments. These avatars will act as cognitive co-pilots capable of interpreting context, connecting with external tools and systems, providing explainable assistance, and adapting their responses to the user's state and the task at hand., Basic knowledge of APIs, backend development, or software architecture. Familiarity with Git and collaborative development environments. Interest in LLM agents, tool calling, RAG, conversational systems, or applied AI. Ability to learn independently and a prototyping-oriented mindset. Interest in developing an applied Ph D. Holding an official master's degree, or being close to completing one, that qualifies the candidate to pursue a Ph D in Spain. C1 level of spoken and written English to work within the framework of a European project. Additional assets The following will be positively valued: Experience with Fast API, Web Sockets, REST APIs, or microservice architectures. Knowledge of Docker, basic deployment, or Dev Ops tools. Interest or experience in MCP, LLM agents, multi-agent systems, or AI orchestration. Knowledge of Unity, C#, Open XR, or XR systems integration. Experience with sensors, Io T, physiological signals, or multimodal interaction. Interest in digital twins, simulation, or industrial environments.