
Valentin Sabatet
Senior Python Developer | GxP - CI/CD - TDD
Salaire / Taux journalier
Paris, France
Mobilité : Île-de-France, Royaume-Uni, ...
Freelance
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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.
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