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Jean-Baptiste LemoineJL

Jean-Baptiste Lemoine

Supermalter

AI / Machine Learning Engineer | LLM

€720/day
2 projects
Montpellier, FR
8-15 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Jean-Baptiste

Artificial Intelligence Engineer

A little about me
  • I am anAIengineer. Experience inNLP (LLM)and **Computer Vision**. Python Expert.
  • 8 years of experience
  • I speak fluent English
My references
Engine, Acolad, Aive, Admo.tv

Why hire me as an AI Engineer?
  • I support you in diagnosis and opportunity identification
  • I designend-to-endAI solutions: from prototyping to industrialization
  • Expert in **Python development**, backend, **APIs**.
  • Mentoring junior profiles
  • Implementation of good code practices (Coding Assistant: Claude Code, Open Code, CI/CDD, Typing, Code Review).
  • French

    Native or bilingual

  • English

    Fluent

Can work on-site
Montpellier (up to 50km), Paris (up to 10km), Marseille (up to 10km), Toulouse (up to 10km), Lyon (up to 10km)

Experience

  • BCA Expertise
    AI Engineer
    November 2024 - April 2025 (5 months)
    Real time automatic car accident report generation from audio transcription.
    • Built data extraction model based on LLM tailored for car accident report (guided decoding).
    • Created synthetic data creation pipeline and custom score metric.
    • Fine tuned LLM (Llama 3.1 8B) on json diff task.
    • Deployed with sub second latency (TensorRT-LLM).
    LLM Python TensorRT
  • Groupe ACOLAD
    AI Engineer
    EDUCATION AND E-LEARNING
    March 2024 - October 2024 (8 months)
    Paris, France
    Helped Acolad develop AI solutions for Machine Translation, Automatic Post-Editing and Quality Evaluation.
    • Developed LLM prompt engineering and RAG for Machine Translation Post-Editing, reducing manual effort by 40%
    • Train non-technical teams to use AI tools via the Orq AI collaboration platform.
    • Built serverless GPU-powered backend on Modal for Automatic Post-Editing and Quality Evaluation simplifying deployment.
    LLMs Prompt engineering RAG Python FastAPI Back-End Development Streamlit Snowflake
  • Aive
    Machine Learning Engineer
    SOFTWARE PUBLISHING
    September 2020 - December 2023 (3 years and 4 months)
    Montpellier, France
    Aive is an AI-assisted video editing platform, it automates post-production, intelligently adapting videos across all formats.

    • Enhanced SOTA transcript topic segmentation of 44% via LLM prompt engineering and fine-tuning.
    • Increase SOTA video scene detection of 20% with better model architecture and training.
    • Built a rule-based black bar detection model, optimized with Numba.
    • Developed a color palette detection model using k-means and color histograms.
    • Trained models for place and scale video classification.
    • Transitioned object-based cropping to machine learning saliency detection.
    • Reengineered video OCR from PaddleOCR to PyTorch with improved text tracking.
    • Built optimized video decoder and visualisation tool backed by PyAV and FFmpeg.
    • Mentored team by building a repository for reproducible research with PyTorch Lightning, Weights & Biases, and Ray.
    Computer Vision Python LLM Back-End Development Object Detection OCR Pytorch

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Education

  • Deep Learning Specialization
    Coursera
    2017

Skill set

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