About Pierre-Alexandre
French
Native or bilingual
English
Native or bilingual
Experience
- Informatique CDCAI/Machine Learning EngineerSeptember 2025 - Today (9 months)Bagneux, FranceSituation:The company wanted to develop an internal chatbot toassist with and automate certain business tasks.Task:Design, develop, and optimize chatbot functionalities.Actions:
- Implemented a multi-format data extraction feature (PDF and Docx) using LangChain.
- Developed a multilingual document translation feature via Azure.
- Improved LLM system prompts and existing feature logic to increase response relevance.
- Mentored collaborators, ensuring their skill development and the quality of deliverables.
- Optimized GitLab CI/CD pipelines by applying MLOps best practices.
- Documented algorithm design to facilitate knowledge sharing and ensure reproducibility.
Result:Reduced pipeline execution time by 50% and increased chatbot adoption by internal users.Stack:Python, FastAPI, LangChain, LangGraph, Mistral API, OpenAI API, Hugging Face, Asyncio, Microsoft Azure, Docker, Pydantic, Pytest, Git, GitLab CI/CD, MongoDB, Beanie, JavaScript. - AsyoraFull Stack DeveloperAugust 2023 - June 2025 (1 year and 10 months)Bagneux, FranceSituation:Entrepreneurial initiative to launch a SaaS solution aimed at reducing time spent in traditional meetings.Task:Design an asynchronous meeting platform integrating best practices to optimize time management.Actions:
- Developed the solution entirely with Django (Python), Htmx, and Tailwind CSS.
- Deployed and managed infrastructure on Amazon Web Service (AWS) and DigitalOcean.
- Managed PostgreSQL databases.
- Applied DevOps best practices such as CI/CD and testing (unit, integration, and system).
- Documented algorithm design to facilitate knowledge sharing and ensure reproducibility.
Result:Notable reduction in the number and duration of meetings, with a significant improvement in user productivity.Stack:Python, Django, Amazon Web Service, Docker, Pytest, Tailwind CSS, Htmx, DigitalOcean, Git, Github Actions CI/CD, PostgreSQL, JavaScript. - Groupe RhapsodieMachine Learning EngineerOctober 2021 - August 2024 (2 years and 10 months)Paris, FranceSituation:The company wanted to create an artificial intelligence (AI) lab dedicated to developing solutions specializing in emotion recognition from text (NLP) and speech.Task:Design a robust, scalable infrastructure aligned with the company's vision, while implementing state-of-the-art machine learning models for specific applications.Actions:
- Set up infrastructure applying MLOps best practices.
- Collected, transformed, and annotated data.
- Developed and deployed deep learning models (PyTorch).
- Integrated and adapted large language models (LLMs).
- Created intelligent agent prototypes with LangGraph and LangChain.
- Managed and optimized computing resources.
- Mentored collaborators to ensure development consistency.
- Documented algorithm design to facilitate knowledge sharing and ensure reproducibility.
Result:Established an operational lab with an optimized MLOps workflow, enabling rapid deployment of AI products.Stack:Python, Hugging Face, OpenAI API, LangChain, LangGraph, ZenML, PyTorch, Gradio, MLflow, Qdrant, Git, Github Actions CI/CD, Amazon Web Service (AWS), NumPy, Pandas, Pytest, Seaborn, Asyncio, Docker, Django, FastAPI, Tailwind CSS, Htmx, JavaScript.
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Education
- Computer Science Doctorate (PhD)Le Mans Université2020Spécialité intelligence artificielle
- Computer Science MasterLe Mans Université2015