Valentin Sabatet

Senior Python Developer | GxP - CI/CD - TDD

Salaire / Taux journalier

Paris, France

Mobilité : Île-de-France, Royaume-Uni, ...

Freelance

Peut venir sur site

Expertises

DjangoDéveloppement BackendPythonPostgreSQLTest Driven DevelopmentJavascriptNumPypandasCSSMongoDBDevOpsBase de données SQLDéveloppeur BackendTech LeadGitClean CodeJiraRESTful APIsGitHubMonday.comGitLabFastAPIHTMLMySQLIngénieur logicielKanbanScrum

Langues

Français (Maternelle)Anglais (Courant)

À propos

Introduction

Senior Python Developer with 9+ years building regulated, scalable scientific applications. Led GxP transformation at Roche with 1.6k+ automated tests and 90% coverage, plus full-stack modernization of national-scale research platforms. Former AgriTech CTO specializing in Python/Django, CI/CD, Docker, and compliance-ready architectures that deliver audit-proof, production-grade solutions.

Liens

Expérience de travail

Senior Python Developer

Roche

juil. 2025 - Présent

1 an 4 mois

– Led a GxP-oriented transformation from Jupyter notebooks to an auditable, version-controlled Python package, enabling regulated development practices (traceability, controlled releases, repeatable builds/tests). – Refactored 50+ notebooks (10 workflows) into a modular package covering, applying clean architecture patterns and configuration-driven execution while keeping full functional parity. – Established automated CSV validation: >1.6k tests, 90%+ coverage, UR/FR → tests traceability, and automated evidence generation for audits and re-validation. – Implemented CI/CD with quality & security gates and artifact traceability to prevent regressions and support rapid, safe releases. – Containerized the full workflow end-to-end: Dev Container for consistent developer environments + Dockerized application packaging to enable deployable, reproducible runs directly from the repository across any target environment + contribution to AWS Cloud deployment (containerized runtime).

Co-founder & Chief Technical Officer (CTO)

Proteme

janv. 2021 - mai 2025

4 ans 5 mois

Paris, France

– Led the technical direction of a deeptech AgriTech startup developing protein-based products for food industry applications. – Defined and executed R&D technical roadmap (Scrum methodology) – Recruited, trained and managed a multidisciplinary team of 5 – Built data analysis and visualization tools for scientific validation (Python, R) – Led EU regulatory compliance for product development - coordinating with regulatory bodies and multi-partner projects – Oversaw intellectual property strategy and technical documentation

Full-Stack Tech Lead (Python)

Institut Curie - Research Centre

oct. 2018 - juin 2021

2 ans 9 mois

Paris, France

– Led the complete technical overhaul of MyProMS, a proteomics analysis platform used by research teams on a national scale. Migration from legacy architecture (Perl CGI + MySQL) to modern stack (Django + Angular + PostgreSQL). – Designed and built the new web architecture: Django backend, Angular frontend, PostgreSQL database – Developed REST APIs and analytical pipelines for scientific data processing (Django REST framework) – Set up continuous integration (GitLab CI) and containerization (Docker) – Contributed to 4 international scientific publications (Science, Science Advances, Nucleic Acids Research)

Software Developer (Bioinformatics)

CEA - Commissariat à l'énergie atomique et aux énergies alternatives

janv. 2018 - juil. 2018

7 mois

Évry-Courcouronnes, France

– Developed Python tools and web interfaces for the MicroScope genomics platform (national-scale bioinformatics platform). – Built a data processing workflow in Python to facilitate prokaryote genome studies, integrated into the MicroScope web application – Developed a genomic region detection tool (PanRGP) based on graph algorithms

Full-Stack Application Developer (J2EE)

ARONDOR

mai 2016 - sept. 2017

1 an 5 mois

Paris, France

– Developed modules for enterprise document management solutions (ARender, FlowerDocs). – Built a document comparison algorithm based on state-of-the-art diff techniques – Implemented automated testing (TDD with Mockito) and continuous integration (Jenkins) – Developed C# connectors for Microsoft Office integration (Word, Outlook)

Software Developer (Bioinformatics)

Wageningen plant research

juin 2014 - août 2015

1 an 3 mois

Wageningue, Pays-Bas

– Two internships (2014, 2015). Developed web-based visualization tools and automated database update workflows for genomics research: "visualization of amino acid conservational profile of extremophilic prokaryotes based on their genome sequence"


Formation

Polytechnique

Entrepreneurship

2020 - 2021

1 an 1 mois

Université Paris-Saclay

Master's degree, Genomics, Informatics & Mathematics for Health and Environment

2017 - 2018

1 an 1 mois

Université de Poitiers

Master's degree, Biotechnology & Computer Sciences

2015 - 2017

2 ans 1 mois

Université de Poitiers

Bachelor's degree, Bioinformatics

2014 - 2015

1 an 1 mois

IUT d'Aurillac

Technical degree, Bioinformatics

2012 - 2014

2 ans 1 mois


Licences et certifications

Python Data Scientist

Délivré le : janv. 2020

Python 3 advanced programming

Délivré le : janv. 2018

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