Student Research Assistant in Unity Frontend & LLM Backend Development for Digital Einstein 10%-30%, Zurich, fixed-term 07.10.2026 | Department of Computer Science (D-INFK), Computer Graphics Laboratory (CGL)

This position is for a Student Research Assistant at ETH Zurich focusing on the Digital Einstein AI avatar platform. Responsibilities include developing and maintaining both the Unity frontend and the LLM-based Python backend, with a focus on lifelike digital humans and interactive conversations. Applicants must be enrolled students with strong programming skills in Unity/C# and Python, and experience with or interest in large language models.

• The Digital Character AI team at ETH Zurich's Computer Graphics Laboratory is looking for a Student Research Assistant to support the development of our interactive AI avatar platforms across both the Unity frontend and the LLM-based backend.
• The system combines a Unity-based frontend for real-time character rendering, animation, and interaction with a Python-based backend that orchestrates large language models, dialogue management, speech processing, memory, and other AI components.
• Develop and maintain the Unity frontend for the Digital Einstein platform, including UI components, interaction flows, character behaviours, and real-time rendering features
• Develop and maintain the Python/LLM backend for interactive conversations, including the integration and evaluation of large language models and related AI services
• Strong programming skills and practical software-development experience
• Willingness to provide occasional on-site event support, including on weekends