Theo CREPIN

Python Developer and AI Engineer

Salary / Daily rate

Paris, France

Freelance, open to permanent contract

Remote only

Skills

Deep LearningPythonData ScienceAIData EngineeringLinuxData AnalysisKerasReact NativePostgreSQLGitBackend DevelopmentMobile DevelopmentLLMs / Large language modelsReactNumPypandasTensorFlowPHPLaravelC#Data VisualizationData Miningscikit-learnPyTorchGoogle Cloud PlatformSQL QueriesC++AndroidDockerSQL databasesMachine LearningCAWS

Languages

French (Native)English (Fluent)German

About me

Intro

AI Engineer and Python Expert with experience developing full Python applications, computer vision solutions and NLP pipelines. Specialized in Python development, computer vision and deep learning with expertise in Fast API, PyTorch, OpenCV and Docker. I mostly worked in the medical and computer vision fields, both with startups and leading actors. Ready to create and deploy your next Python and AI solution ?

Links

Work experience

IA Engineer

WingleetFreelance

Sep 2025 - Present

1 year 2 months

Remote

Development of a complete service for the extraction and verification of aeronautical release and maintenance documents. • Implementation of a data extraction pipeline from PDFs and photos using OCR and document understanding models. • Information matching and comparison to validate the maintenance status of parts and aircraft from multiple formats. • Fine-tuning and deployment of models on Vertex AI to improve extraction accuracy. • Integration of a specialized LLM trained on aeronautical terminology to analyze and confirm document compatibility. • Development of a global API (FastAPI) for automated document upload, extraction, and verification. 💻: Python, FastAPI, Vertex AI, OCR, LLM.

Machine learning full stack

ThirdlifeFreelance

Apr 2025 - Jul 2025

4 months

Remote

Development of a complete mobile solution for automatic office inventory. • Creation, annotation and processing of a dataset for office furniture detection from videos. • Use of transfer learning methods on YOLO and RF-DETR models and development of an object deduplication pipeline. • Development of a mobile application for client site visualization and room scanning. • Deployment of the furniture counting pipeline on RunPod and connection to the application and back-end database. 💻: Python, OpenCV, Docker, React-Native.

Machine Learning Specialist

Johnson & Johnson

Mar 2024 - May 2025

1 year 3 months

Antwerp, Belgium

In the context of research projects, I developed two computer vision and NLP products trained on a Domino cloud. • Grouping, analysis and processing of a complex DICOM dataset. • Contribution to a project evaluating arthritis severity from foot and hand scans using PyTorch and OpenCV for subject selection in pre-clinical trials (computer vision). • Development of a research article feature extraction tool using NLP models. • Creation of a prompt engineering solution with 150+ categories using the Azure API for OpenAI. 💻: Python, Langchain, OpenCV, Pytorch.

Mobile Application Developer

Qbis-StudioFreelance

Jul 2023 - Mar 2024

9 months

Remote

Creation of an educational mobile application on French territory in the market-leading format. • Development of a geographical educational mobile game on French territory with 10K+ downloads. • Collaboration with a Polish company on a C# and Godot project by designing the application from scratch and deploying on PlayStore and AppStore. 💻: C#, Godot, Git.

Machine Learning Engineer

SharelockFreelance

Feb 2023 - Feb 2024

1 year 1 month

Paris, France

In the context of insurance fraud detection, development of a model for verifying the accuracy of the bicycle model provided by the user. • Design of a bicycle brand classification pipeline based on user photos. • Data processing and analysis for decision-making, with deep learning on various ML models. 💻: Pytorch, Python, Pandas, Numpy.

Back End Developer

Fincome

Aug 2022 - Mar 2023

8 months

Paris, France

Development of a financial dashboard application, creation of the user rights management platform, payment platform with Stripe and data automations. • Collaboration with the CTO to develop a financial dashboard API in Python and FastAPI. • Maintenance and upgrade of the web application in PHP and VueJS. • Creation of test suites and a CI/CD pipeline with GitHub Actions, deployment with AWS. 💻: Python, FastAPI, PHP, VueJS, AWS, Stripe.


Education

EPITA: Ecole d'Ingénieurs en Informatique

Computer Science Engineer Degree, Artificial Intelligence and Computer Vision

2019 - 2024

4 years 6 months

Activities and societies: Volleyball, chess.

Image Processing, Machine learning, Deep learning, Computer Vision, GPU programming.

Portfolio

Back End Development

Furniture Inventory Application

Arthritis severity evaluation

Rigor Evaluation of Research Articles

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