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Thibault DjaballahTD

Thibault Djaballah

Software + ML + Data * Engineer

€650/day
Montpellier, FR
8-15 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Thibault

Freelance Software Engineer specializing in Python, backend, data, and applied AI.

I help companies design, develop, and industrialize robust solutions: backend APIs, data pipelines, information extraction, semantic search, RAG, ML/LLM model integration, and business process automation.

My profile is hybrid: I can work on backend architecture, data, machine learning, Docker/CI-CD industrialization, and production deployment.

I enjoy transforming complex subjects into simple, maintainable, and useful solutions. I pay close attention to code quality, testing, documentation, and knowledge sharing with business teams.

My main areas of expertise:
- Python Backend / FastAPI
- Data Engineering / Processing Pipelines
- Machine Learning, NLP, RAG, and LLM
- Industrialization, Docker, CI/CD, DevOps
- Rapid Prototyping and Production Deployment

I have worked in demanding environments such as Renault Digital, Criteo, and SLB, with a pragmatic approach: understand the business need, deliver quickly, measure, and then improve.

I am primarily seeking backend, data, ML/MLOps, or GenAI missions, with a preference for concrete projects where AI brings real business value.
  • French

    Native or bilingual

  • English

    Fluent

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

Experience

  • SLB
    MACHINE LEARNING AND SOFTWARE ENGINEER
    ENERGY AND UTILITIES
    January 2025 - Today (1 year and 5 months)
    Montpellier, France
    Development of a Document Intelligence (RAG) solution for analyzing Data Rooms in the energy sector.
    • Analysis of client objectives and clarification of needs for an MVP. This product aims to automate Due Diligence processes for evaluating the profitability and acquisition risks of an oil field.
    • Development of a Full Stack web application in Python facilitating the exploration and synthesis of complex documents.
    • Integration of generative AI models for automated extraction and analysis of technical and financial documents.
    • Implementation of the CI/CD pipeline on Microsoft Azure.
    Python Microsoft Azure SQL Azure DevOps
  • SLB
    BACKEND SOFTWARE ENGINEER
    ENERGY AND UTILITIES
    January 2022 - January 2025 (3 years)
    Montpellier, France
    Developed a Python backend server to estimate CO2 emissions for SLB products and services.
    • Analysis of client objectives and clarification of needs for an MVP.
    • Implementation of the CI/CD pipeline on Microsoft Azure.
    • Modeling of a simple and generic solution to estimate the carbon footprint of a truck, an oil rig, or an artificial lift system, for example.
    • Development of a FastAPI server in Python coupled with a MongoDB for data management.
    • Integration of other Schlumberger APIs within our application.
    Python Microsoft Azure Azure DevOps MongoDB FastAPI
  • CRITEO
    MACHINE LEARNING ENGINEER
    January 2019 - January 2022 (3 years)
    Paris, France
    Joined the team responsible for bidding models estimating the purchase price of ad banner impressions.
    • Continuous improvement of bidding models estimating click, visit, and sales probabilities.
    • Offline experiments aimed at surpassing the performance of our more traditional models with Tensorflow models.
    • Calculation of better audiences for our clients based on a new approach using embeddings.
    • Mentoring and onboarding of new team members. - Over the years, I became the go-to person within the company for all technical questions regarding the code we owned.
    Machine Learning Data Science TensorFlow Spark Data Engineer

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Education

  • Civil Engineer Diploma, Big Data - Data Science - Business Management and Finance
    Ecole nationale supérieure des Mines de Saint-Etienne
    2016
    Diplôme Ingénieur Civil des Mines, Big Data - Data Science - Computer Science - Gestion et Finance d'Entreprise
  • Interdisciplinary Program in Technology, Management and Policy
    Seoul National University
    2016
    Interdisciplinary Program in Technology, Management and Policy

Skill set

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