Freelancer profile translated to English.
Back to original languageAbout Gregory
🏆 +15 years of experience | Fullstack with a Front-end focus
🎯 Product vision & collaboration | Pragmatic & value-oriented
💎 Clean code lover | Simplicity, efficiency, maintainability
🔥 Technical Lead | Mentor | Culture of excellence
I chose on-the-job learning early on rather than extensive studies, and after 20 years, I have no regrets. A developer by passion, a Lead Developer by vocation, I have never stopped learning, evolving, and taking on technical challenges.
My motivation? Staying at the forefront, innovating, and supporting. I enjoy combining technical rigor, pragmatism, and product vision to build robust and efficient solutions. Agility, UX, performance, and maintainability are at the heart of my approach.
Today, as a freelancer, I work as a Fullstack Lead Developer with a strong Front-end sensibility, inherited from my graphic designer background.
🎯 My goal: to design fluid, harmonious, and high-performing user experiences.
🚀 Technical skills & expertise
✓ Front-end: Angular, React, Next.js, JavaScript, TypeScript
✓ Back-end: Node.js, Express, NestJS, MongoDB, Mongoose
✓ Testing & Quality: Cypress, Playwright, Vitest, GitLab CI/CD
✓ Methodologies: Agile Scrum, UX Design Sprint, Micro-frontends, Salesforce CC
✓ Cloud & DevOps: Kubernetes, AWS, GitLab CI/CD
I enjoy working in pairs with the Product Owner, understanding business challenges, and transforming needs into solutions. Whether as a technical lead, developer, mentor, or facilitator, I take pleasure in uniting teams and sharing my knowledge.
Always ready for a new adventure, let's connect!
English
Fluent
French
Native or bilingual
Can work on-site
Versailles (up to 30km)
Experience
- LACOSTELead Fullstack DeveloperApril 2024 - Today (2 years and 1 month)For my first freelance assignment, I was hired by LACOSTE OPERATIONS as a Senior Fullstack JavaScript developer on a Salesforce Commerce Cloud (SFCC) Genesis II architecture.The mission involved maintaining Lacoste's e-commerce site, contributing to the migration of code from JavaScript to TypeScript, and developing new features within an Agile SCRUM feature team, all in an international context.Thanks to my commitment and ability to meet technical challenges, I was quickly promoted to Lead Developer, where I took charge of technical coordination and team mentoring.My responsibilities:✓ Lead: Define the product's technical vision, mentor, make technical decisions, unite the team, ensure quality, and oversee sprint progress.✓ Propose innovative solutions to best meet needs.✓ Front-end / Back-end Development (JavaScript/TypeScript)
- Bouygues TelecomTech Lead - Customer AreaTELECOMMUNICATIONSFebruary 2023 - January 2024 (11 months)Meudon, FranceI joined the Bouygues Telecom Customer Area team asTech Lead(5 developers, including 2 offshore).This was a very challenging experience, particularly regardingautomated testing**. The customer area encompasses over **80 functional journeysthat need to be maintained and tested each sprint. The existing automated tests, done with **RobotFramework**, were no longer functional and were too costly to restore/maintain.I took this opportunity to test Microsoft'sPlaywrightsolution and integrated automated tests fromGitlab CI to test validation in Jira via XRay.A major challenge proudly overcome before my departure from the company. 🎉My other responsibilities:
- Lead: Define the product's technical vision, mentor, make technical decisions, unite the team, propose solutions, ensure quality, train offshore developers.
- Front-end development in React (JS/TS)
- Organize technical migration: moving from BackboneJS/Marionnette to a Micro-frontend architecture (React/Kube).
- Participate in technical architecture workshops (scope covering all public-facing front-end aspects).
- Participate in production deployments.
- Develop shell scripts to industrialize high-risk manual actions.
- Bouygues TelecomLead Fullstack DeveloperTELECOMMUNICATIONSMarch 2017 - February 2023 (5 years and 11 months)Meudon, FranceLead Developerwithin thee-commerce teamat Bouygues Telecom (average of 5 developers).This experience spanned several years.During the first year, I was finding my footing as a lead. My responsibilities included supervising front-end developers, helping them improve their skills, while also developing myself. I participated in workshops with the business stakeholders and held thetechnical visionfor the product. I worked in tandem with another lead who was more backend-oriented.Technologies and tools:AngularJS, PHP, Magento (CMS), GitHubThe following year, I joined thefirst Agile Scrum team(by the book) as a lead developer. I underwent intensive **agile training**, as Bouygues Telecom wanted to test the methodology before deploying it to other teams in the IT system.The success of this experience led to the deployment of agility across all teams, and I became the lead dev for the Fixed Offers sales team, then transitioned to lead dev for the Mobile and Fixed Offers sales part.Technologies and tools:Angular, RxJS, Cypress, React, Webcomponent, Magento, Kubernetes, GitLab CI/CD.My responsibilities:
- Lead: Define the product's technical vision, mentor, make technical decisions, unite the team, ensure quality, oversee sprint progress.
- Participate in the Community of Practice (CoP) among lead developers in the IT department.
- Propose innovative solutions to best meet needs.
- Front-end Development (Angular+++++, React+++, Webcomponent+++)
- Back-end Development (NestJS)
- Assistance with the AWS migration project.
- Participate in "UX Design Sprints" as a technical referent.
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Education
- DUT Services et Réseaux de CommunicationChamps-sur-Marne2004