Freelancer profile translated to English.
Back to original languageAbout Bryan
◉ A little about me ⤵︎
👨💻 I am an expert inReact.js**, **Node.js**, **TypeScript
🎓 Certified Fullstack JavaScript & Web Application Architect
⚙️ +10 projects in production | +8 clients | Fullstack:React.js**, **Next.js**, **Node.js**, **Nest.js**, **PostgreSQL**, **MongoDB**, **Prisma**, **Firebase**, **GCP
◉ My references ⤵︎
Eskimoz**, **Pro-Inter**, **Authentic Traveling**, **Capsule**, **Civitime
◉ Here are the missions I regularly undertake ⤵︎
Full-Stack | React.js / Next.js | Node.js / Nest.js | Refactoring
Creating web applications from scratch
Application refactoring and getting back on track with late delivery products
StabilizingJavaScript/Typescriptarchitectures, eliminating recurring bugs
Accelerating delivery: critical features, back-office, user journeys
Structuring front-end (React/Next.js)and clean back-end architecture (Nest.js)
Database optimization (PostgreSQL**, **MongoDB**, **Prisma)
Documentation, reusable components, CI/CD, team autonomy
Architecture | Scalability | PostgreSQL / MongoDB | TDD/BDD Tests & CI/CD
Implementing tests and product quality (TDD/BDD)
Front-end testsReact**, API tests **Node/ **Nest**, critical journey validation
DB query optimization & data management (PostgreSQL**, **Prisma**, **MongoDB)
Securing production deployments and post-release stability monitoring
Monitoring & logs (Firebase**, **GCP) for reliability and scalability
Available 7 days a week via Malt messaging.
Response within an hour.
French
Native or bilingual
English
Fluent
Remote only
Primarily works remotely
Experience
- PRO-INTER / SAM SASFull Stack Mobile Application DeveloperE-COMMERCENovember 2025 - February 2026 (3 months)Strasbourg, FrancePro-Inter wanted to evolve the first version of its application to better connect the mobile experience with the actual operation of the stores. The goal was to add new useful features for customers while strengthening the links between the application, the cash register systems, and the in-store teams.I worked on a V2 of the application to integrate these new functional modules, improve some existing workflows, and optimize overall performance.Actions taken:• Connecting product prices between the application and stores to ensure consistency between digital and point of sale• Integration of a loyalty card usable both in the application and directly at the checkout• Collaboration with the managers of the cash register application to synchronize data between the two systems• Addition of order picker management in the back-office to facilitate internal organization• Development of a recipe module in the back-office allowing teams to offer recipes to users, with automatic generation of the associated shopping list• Optimization of product loading to significantly improve performance• Redesign of certain parts of the application to improve ergonomics and user journey fluidity👉 Results obtained:• Alignment of prices between the application and stores• Unified loyalty program between the mobile experience and the point of sale• Product loading times reduced from 5–10 seconds to 1-2 seconds• Improved internal organization thanks to order picker management in the back-office• Enrichment of the application with recipes proposed directly by store teams
- EskimozWeb Developer FrontendDIGITAL AND ITJune 2025 - August 2025 (2 months)Paris, FranceEskimoz, an agency specializing in SEO, develops a suite of tools internally to enhance the productivity of its consultants.Facing strong pressure due to a strategic deadline, the tech team was already well-equipped but needed immediate reinforcement to meet deadlines without sacrificing the quality of deliverables.Actions taken:• Took over several key tools, including LLM-Ranking, to accelerate the delivery of complex user interfaces• Led the complete front-end redesign of one of the internal tools, in line with the new product direction• Created reusable components to anticipate the future implementation of a global notification system• Documented each component to ensure its sustainability, clarity, and alignment with the design vision👉 Results obtained:• Approaching deadlines were met, and the initial scope was even exceeded thanks to the acceleration provided• The lead frontend developer was able to focus on a key application feature, freed from urgent tasks• Contract renewal agreed upon, a sign of trust and perceived added value
- PRO-INTER / SAM SASFull Stack Mobile Application DeveloperE-COMMERCEJanuary 2025 - October 2025 (9 months)Paris, FrancePro-Inter is a network of local stores that relied on an old drive-through application built on an outdated version of Prestashop. Between frequent bugs and a dated interface, the user experience no longer met expected standards.I was brought in to rebuild a complete, scalable mobile application, eventually integrating a local delivery system.Actions taken:• Completely redesigned the mobile application for a modern and more reliable experience• Integrated a dual order process (drive-through + delivery), with automated maximum distance logic• Developed a custom back-office allowing the client to manage their users, products, categories, and stores with complete autonomy• Implemented payment management via Stripe and customizable email notifications in the back-office, in coordination with a back-end developer• Collaborated with a designer to align the interface with the brand's visual identity👉 Results obtained:• End of recurring bugs and an outdated interface; the application is now on solid and scalable foundations• Preparation for a new sales channel via local delivery, with an automatic validation system ready to be activated• The internal team retains its autonomy and responsiveness thanks to the back-office, eliminating the need to go through third parties to manage the catalog or points of sale• The application becomes a stronger lever for strengthening customer proximity
Reviews
Joseph
JOSEPH DJENANDJI
Reviewed on 1/15/2025
Very responsive, excellent work.
M
Muhammed
SAM SAS
Reviewed on 10/8/2024
A big thank you to Bryan for his exceptional work! He quickly understood our needs and transformed them into effective technical solutions. His mastery of technologies, his responsiveness, and his professionalism were impressive throughout the mission. He met deadlines while delivering quality code, perfectly documented and optimized. I highly recommend Bryan for any ambitious project! We will work together again without hesitation. An excellent collaborator!
Recommendations
+2
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Education
- Web & mobile application developerWild Code School2023Apprentissage de la conception d'une application web et mobile, de la maquette au déploiement, en utilisant les bonnes pratiques.
- Web DeveloperWild Code School2022Apprentissage des bases du développement web et des applications web
Certifications
- BTS SNIRLycée Louis Couffignal2021