Freelancer profile translated to English.
Back to original languageAbout Romain
About
I assist you in the design, development, and optimization of your web applications or WordPress sites, with a rigorous, results-oriented approach and a focus on best practice sharing.
Full-stack JavaScript/TypeScriptweb developer since 2018, I have collaborated with several startups and scale-ups on various projects: MVPs, redesigns, custom APIs, migrations to microservices architectures, or deployment automation.
I also work as a **web development trainer**, where I impart a modern vision of the profession: technical excellence, clean code, autonomy, and teamwork.
Skills
→ Reusable components, performant interfaces, responsive design.
→ REST APIs, microservices, MySQL, PostgreSQL, MongoDB databases.
My Added Value
• Proven experience in startups and scale-ups
• **Domain-Driven Design (DDD)**,software craftsmanship**, and **hexagonal architecturepractices
• **Clean code** andTDDfor robust and sustainable code
• **Technical leadership**, mentoring, anddeveloper training
• Versatility: front-end, back-end, DevOps, and SEO
Achievements
• Migration tomicroservicesarchitectures
• Integration ofonline payments(Stripe)
• **Custom APIs** to optimize marketing performance
• **Automated deployment** via Docker & Kubernetes
• Performant and SEO-friendlyWordPress sites
English
Fluent
French
Native or bilingual
Can work on-site
Rennes (up to 50km)
Experience
- MyDigitalSchoolTrainer – Advanced Front-End Development (Master 1 DFS)EDUCATION AND E-LEARNINGOctober 2025 - Today (8 months)Rennes, FranceIntervention within the Master 1 Full-Stack Development (DFS) program on the module « Advanced Front-End Development with TypeScript & Modern Frameworks » (49h).This course aims to strengthen students' skills in modern web development, with a practical and professionalizing approach.Main teachings:• Advanced TypeScript: complex typings, generics, decorators.• Modern frameworks: Next.js, Nuxt, SvelteKit (comparison and implementation).• Rendering strategies (SSR, SSG, ISR) and optimized data-fetching.• Performance, accessibility, and web eco-design.• CI/CD, testing, and code quality automation.Educational objective:To guide students in the design and deployment of a complete application through a capstone project, while imparting best practices in architecture, typing, and sustainable development.
- RhayeDevIndependent DeveloperCONSULTING AND AUDITSOctober 2024 - Today (1 year and 8 months)Dol-de-Bretagne, FranceSince 2023, I have been assistingartisans**, **SMEs**, and **entrepreneursin creating modern, fast, and SEO-optimized WordPress sites for **local SEO**. My goal is to make my clients visible online through turnkey and high-performance solutions.
Skills Used
• Creation of optimizedWordPress showcase sitesfor **natural referencing**.• Implementation ofdynamic local pagesto effectively target multiple cities and geographical areas.• Integration ofcustom templatesand development of tailor-made functionalities.• Optimization ofweb performance(caching, CDN, Core Web Vitals).• Content management andautomationof page generation from predefined templates.Projects Completed
• Development ofturnkey WordPress sitesfor local businesses (roofers, chimney sweeps, facade renovators).• Implementation of alocal SEO strategywithautomated city/service page generationto improve Google ranking.• Integration and advanced configuration ofRank Math SEOand **Elementor Pro**.• Improvement of technical performance and optimization ofuser experienceon desktop and mobile.This activity allows me to provide local businesses with a **solid online presence**, with fast, well-ranked sites designed to **generate new clients**. - Poppy App LtdFullstack Web DeveloperSOFTWARE PUBLISHINGFebruary 2025 - June 2025 (4 months)Dol-de-Bretagne, FranceAs afull-stack developeratPoppy App**, I contributed to the development of an innovative **image processingapplication, working on the **back-end**, **front-end**, and application **packaging**.
Skills Used
• **Back-end**: development of services inPythonwith **Flask**, integration of specialized AI-related processing.• **Front-end**: creation ofreusable componentsin **React**, state management with **Redux**, full integration of the front-end with the Flask back-end.• **Packaging**: preparation and distribution of the application viaElectron**, with specific packaging for **macOS(**optimization** and **compatibility**).Key Achievements
• Development of back-end functionalities inPython/Flaskfor image processing and management.• Creation ofmodular UI componentsin **React**, facilitating product reuse and evolution.• Implementation offront-back communicationto ensure a fluid experience.• Contribution toElectron packagingand adaptation of the application for multi-platform distribution, including themacOSversion.This experience allowed me to strengthen my expertise inhybrid applications(**Electron**), **Python**, and **React**, while working on a complex product combining **AI**, **UX**, and **technical performance**.
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Education
- Software Developer TitleWild code school2018Titre professionnel de niveau III (bac +2)