Freelancer profile translated to English.
Back to original languageAbout Raphaël
👋Fullstack Developer / Product Engineer (4 years of experience) specializing in impactful SaaS and Data Visualization.
Dual profile: **Tech + Strategy**. I don't just code; I understand your business challenges (CSR, ESG, Climate) to create useful, scalable, and user-centric products.
- **SaaS GreenTech Expertise**: 4 years at Impacti developing a carbon and ESG reporting tool
- **UX/UI Sensitivity**: Strong appreciation for design and usability (Figma, Tailwind, Shadcn)
- **Data Mastery**: Creation of dynamic and interactive dashboards (D3.js, Recharts)
My technical stack:
- **Front**: React.js, Next.js, Remix, React Router v7, TypeScript, Zod, Tailwind CSS
- **Back**: Node.js, REST API
- **Quality**: Tests (Vitest/Jest), CI/CD
- **Tools**: Figma, Git, Agile
My services:
- Design and development ofDashboards and SaaS(from scratch or evolution)
- Integration ofhigh-volume data(Environmental indicators, CO2 emissions, LCA, CSRD Reporting)
- Close collaboration with Product & Data teams
My background:
- **Communication Background**: UNESCO, Surfrider Foundation (I know how to communicate with non-tech teams)
- **Education**: Web Bootcamp + Master's in International Relations (Sciences Po)
🟢 Always up for discussing Tech for Good, GIS, or social innovation. Contact me to talk about your project!
🔗raphaelch.me/
English
Native or bilingual
Spanish
Fluent
Portuguese
Basic
French
Native or bilingual
Can work on-site
Biarritz (up to 50km), Bordeaux (up to 50km), Pau (up to 50km), Saint-Sébastien (up to 50km)
Experience
- KioskFront-end DeveloperENVIRONMENTALJanuary 2026 - Today (7 months)
B2B SaaS platforms for ESG and CSR challenges, CSRD compliance, and carbon accounting.
• Design, development, and optimization of features for a non-financial reporting data web app.• Bootstrapping an external carbon tracking module and contributing to product spec formulation.• Designing UX to facilitate ESG data utilization and CSR strategy management.• Structuring, maintaining, and evolving the front-end architecture.Stack: React 18, React Router v7, Remix 2, TypeScript, Mantine, Prisma, PostgreSQL, Zod, Recharts, Anthropic SDK (Claude AI), DatoCMS, Google Cloud Storage, Playwright, Jest, Storybook, Sentry, Docker, Scalingo - ImpactiFullstack Developer (React / Node) & Lead UX/UIENVIRONMENTALNovember 2021 - July 2025 (3 years and 8 months)Biarritz, France**Project**: Development of the flagship product "Carbon", a SaaS platform enabling large organizations (UN agencies), private companies, and NGOs to measure, manage, and reduce their carbon footprint (Carbon Accounting, LCA, ESG Reporting).**My key achievements**:
- **Core Product Development (React/Redux)**: Design of the front-end architecture for the carbon accounting application. Handling complex forms and high-volume data.
- **Data Visualization & Dashboarding**: Creation of a dynamic and modular dashboard for managing climate KPIs (Real-time filtering, interactive charts).
- **Lead UX/UI Redesign**: Management of the complete interface redesign in collaboration with an external agency. Implementation of the new Design System with MaterialUI and documentation via Storybook.
- **Back-office & Advanced Features**: Development of the Administrator area, notification center, and fine-grained management of rights/permissions (RBAC).
- **Quality & Methodology**: Guarantee of maintainability (Clean Code, Craft), systematic Code Reviews, and Agile/Scrum team collaboration.
**Technical Environment**: React.js, Redux, MaterialUI, Storybook, Figma | Node.js, MongoDB, Docker | Jira, Bitbucket**Results**:- Enhanced user adoption through a streamlined and modernized UX.
- Drastic optimization of complex data display performance.
- Empowerment of business teams through a robust back-office.
- Smoother user journeys with simplified and clarified energy-related information.
- Médecins du MondeWeb Communications OfficerCIVIC AND SOCIAL ORGANIZATIONSFebruary 2021 - November 2021 (9 months)Doctors of the World is an international non-governmental medical aid organization that works with vulnerable populations, in France and abroad, to guarantee the fundamental right to health.My responsibilities included managing the organization's digital communication, ensuring the maintenance and evolution of the website, and increasing online visibility:
- Managing the technical aspects, updating, and daily animation of the organization's website and social media.
- Leading the complete redesign of the website on WordPress, in collaboration with external agencies, to improve user experience and modernize the interface.
- Monitoring and analyzing website traffic and optimizing content SEO to increase online visibility.
- Writing and sending the monthly newsletter and creating email campaigns to maintain community engagement and promote the organization's actions.
Reviews
Samy
Architecte DE-HMONP - Fondateur pavillonnaire.zone - Samy Brillaud
Reviewed on 11/24/2025
We commissioned Raphael for the development and improvement of our web application pavillonnaire.zone: a collaborative space aiming to foster elements of pavilion culture while situating them. The map serves as a clickable support for this geolocated archive.
Raphael efficiently developed and updated several features related to map navigation and data set deployment via Mapbox. The quality of the code produced by Raphael perfectly met our requirements and technical best practices, providing a solid foundation for the product's scalability.
Furthermore, from this collaboration, we noted Raphael's strengths in:
- Communication: in his responsiveness and the clarity of our exchanges (ability to explain his technical choices, in particular).
- Autonomy: his ability to advance independently on the project and propose solutions to unblock issues quickly and effectively.
- Understanding of needs: his aptitude to quickly grasp expectations and deliver precisely what is needed.
- Proactiveness: his suggestions are always relevant for improving the product, UX, UI, etc.
- Reliability: in respecting deadlines and deliverables.
- Collaboration: good rapport, ease of integration into the team, constructively proactive attitude.
Raphael continues to work regularly on our project, and we can only recommend his qualities and services.
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Education
- Web Development BootcampThe Hacking Project2020Bootcamp Développement web
- Master's in International RelationsSciences Po2018Master 2 Relations internationales