Nicolas Joué

Designed and implemented a multi-agent intelligent chatbot prototype integrated into the 3DEXPERIENCE platform. - Built the system’s architecture around LangChain and LangGraph, enabling natural-language queries to be dynamically translated into business actions. - Developed orchestration logic (Planner → Orchestrator → Sub-agents → Tools → Joiner) to manage intent detection, tool calling, and result synthesis. - Worked in a cloud sandbox environment, with a Flask backend (Python) and a JS/HTML/CSS frontend, connected via REST. - Focused on robustness, performance optimization, and user feedback clarity (parallelization, caching, error handling). - Delivered a functional prototype demonstrating how LLM-based reasoning can be embedded in real-world product lifecycle management tools.

3-month internship focused on developing deep learning models for the detection of eye diseases from retinal images. Worked on two main tasks: a regression problem using ResNet-18 and a segmentation problem using U-Net. Involved in the full pipeline: data collection, preprocessing, model development, training, and evaluation, using Python and PyTorch. Collaborated closely with a researcher and a data scientist in a multidisciplinary research setting.

Contractual position within the local government as an Administrative Assistant. Responsible for handling and processing various administrative requests, including building permits, demolition permits, and other urban planning documents. Contributed to the coordination and organization of municipal services by supporting the administrative team with document management, data entry, and internal communication tasks.

1-month internship within the City Hall’s IT department to observe and understand the various roles and responsibilities in municipal information systems. Exposure to infrastructure, user support, and software services in a public administration environment.

Observation internship within the Sports Department of the city. Participated in the organization and management of administrative files related to sports activities and municipal events.