Freelancer profile translated to English.
Back to original languageAbout Bruno
Senior Front-End Developer, JavaScript / TypeScript
I am a Senior Front-End Developerwithover 15 years of experience,an expert in designing complex and responsive applications, PWAs, and mobile-first, accessible responsive websites (RGAA compliant).
âĄI have solid experience in developingcritical real-time applications (WebSocket, SSE)**, with **unit test coverageensuring code quality and stability.
đ ïž My latest projects have primarily involvedAngular, Vue.js, and Nuxt.js**, but I can also assist you with **React, Next.jsdepending on your needs. I have also developed advanced mapping modules (Maplibre.js, Mapbox) and data visualization (D3.js, Chart.js).
đ€ I supportinnovative startups and large private/public companiesin designing high-performance, scalable, user-centric interfaces, actively engaging in understanding business challenges and continuous product improvement.
đŹ Would you like to discuss your project? Contact me!
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đSummary of key skills:
- Frontend Frameworks:Angular, Vue.js, Nuxt.js in my recent projects. But I can also work with React, Next.js.
- UX Interface Design:understanding your business challenges and providing solutions.
- Pixel-perfect and accessible mobile responsive integration (RGAA compliant):HTML5, Native CSS, Tailwind, preprocessor (SASS).
- Mapping Libraries:Maplibre, Mapbox, GoogleMaps API.
- Dataviz Libraries:D3.js, Chart.js.
- UI Libraries:Material, Prime.
- Unit Tests:Karma/Jasmine, Jest, Vitest.
- Linters:ESLint + Prettier.
French
Native or bilingual
English
Fluent
Can work on-site
Paris (up to 50km), Paris (up to 10km)
Experience
- SNALEFrontend Developer - FreelanceSOFTWARE PUBLISHINGMarch 2025 - July 2025 (4 months)Paris, FranceSNALE is an innovative startup specializing in natural risk anticipation tools and high-volume information systems.đ **Development of a flood forecasting webApp**, allowing for water level anticipation and staying informed during hydro-meteorological events (for local authorities and professionals).- Setup of the Frontend architecture and development ofVue.js, Tailwind, and PrimeVue.- Responsive HTML/CSS integration with best practices for accessibility (RGAA).- Development of a mapping module (Maplibre.js) to display flood zones, buildings, and various alerts. Management of a timeline and filters for interaction.- Data visualization on charts (Chart.js).- Development of an advanced form for scenario input.- Connection to a Python API.-SSEfor managing and sharing notifications with all users.- Collaboration with 1 Backend/DevOps developer, 1 UX designer, 1 UI designer, and 1 Product Owner.
- SNCF RESEAULead Frontend Developer Angular - FreelanceTRANSPORTATIONSeptember 2020 - February 2025 (4 years and 5 months)Paris, France1âRedesign of the "OpenGOV Temps RĂ©el" application,a tool for managing train traffic in major stations, allowing real-time visualization and modification of train positions, conflict management, delays, and adaptation of the transport plan. (Websocket for real-time and advanced track visualization module with D3.js).2âCreation of a new application "ScenarioManager"for inputting crisis scenarios to plan responses to disruptions on the railway network. Creation of a mapping module with MapLibre.js for users to draw/input disruption zones, rerouting, service changes...3âFrontend Redesign of the "Adapt" application,a tool for managing disrupted situations to more effectively adapt the transport plan in real-time. (Websocket for real-time and advanced resource visualization module with D3.js).đMy scope of intervention:- UX considerations and interface design with Project team members.- Setup of the Frontend architecture andAngulardevelopment.- Setup of a Design System and responsive HTML5/CSS integration (with Darkmode management).- Use ofAngular Material, D3.js, MapLibre.js, and Webstomp(websocket) libraries.- Collaboration with Java / Python developers for APIs.- Writing unit tests.- Monitoring evolution and annual upgrade of Angular versions with progressive migration to new features: Full-Standalone components, Strict mode for "Reactive Forms", Control flow syntax, Signals...- Kanban in Jira for team organization.- GitLab and deployments via Jenkins.- Writing documentation on a Gitlab Wiki.
- DatagifLead Frontend Developer - FreelanceDIGITAL AND ITMay 2020 - August 2020 (4 months)Paris, France1âDevelopment of a mini-site for a pharmaceutical group:Nuxt.jsdevelopment and mobile responsive HTML5/CSS integration with SEO best practices. Generation and delivery of static pages (JSON data via @nuxt/content module). (Figma mockups produced by 1 Designer).2âFrontend Redesign of the regional news site actu.fr:Mobile responsive HTML5/CSS integration (Sass) and delivery of static templates composed of modular components. Implementation of best practices for SEO and accessibility (RGAA).Creation of a Design System encompassing UI and various HTML components (Figma mockups produced by 1 Designer).Native Javascript development with Webpack configuration (babel, sass, postcss, prettier, Handlebars).
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Certifications
- Angular 2+ ApplicationsCrealead - Thierry Chatel (Google Developer Expert)2017