About Sebastien
Independent web developer, I transform your critical spreadsheets into reliable applications.
What I offer
My method
My technical profile
My background
French
Native or bilingual
English
Fluent
Experience
- Soclo conseilAgile Fullstack JS/TS CoachSOFTWARE PUBLISHINGApril 2025 - Today (1 year and 2 months)Bordeaux, FranceI support SME software publishers with a dual technical and organizational role, by diagnosing friction points:
- Understand the root causes that block production (too many bugs, communication problems, ineffective meetings).
- Support teams on software modernization issues: code quality, structuring practices (BDD/TDD, DDD, SOLID), architecture and stack choices.
During my last mission, 3 months were enough to obtain a product plan and a roadmap that allow us to become competitive again.Result: a better customer satisfaction rate, and proud internal teams. - fabriqSenior Software Development EngineerRAW MATERIALS INDUSTRYJanuary 2023 - April 2025 (2 years and 3 months)50% reduction in production bugs through the implementation of craft practices (TDD, pair/mob programming). Structuring the product team around Lean, focusing on delivery reliability. Coaching developers on small step iteration and continuous improvement. Improved inter-team communication through regular testing sessions. Facilitation of support/sales exchanges for better customer satisfaction.Architecture and development of a centralized authentication solution with Auth0. Technical lead on Auth0 integration in a microservices environment. Implementation of secure token propagation between services. Development of a reusable frontend library for authentication. Participation in the "frontend platform" team to equip product teams. Application of craft practices: pair/mob programming, TDD.
- ilekSenior Frontend DeveloperENERGY AND UTILITIESJanuary 2021 - January 2022 (1 year)Toulouse, FranceMigration of the frontend architecture to a hexagonal structure. Modernization of the testing environment (Puppeteer to Cypress). Evangelization of good frontend development practices. Training teams in pair programming and code reviews. Improvement of existing code maintainability.
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Education
- Professional License, Computer Science2009Licence Professionnelle, Informatique