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Philippe PinceloupPP

Philippe Pinceloup

Supermalter

React Front-end Developer

€556/day
6 projects
Paris, FR
8-15 years

Average response time: 2 hours

Freelancer profile translated to English.
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About Philippe

React & Next.js Developer - 9 years · 50+ projects delivered

In 9 months at Solteo, I contributed to transforming a legacy front-end stack into a growth engine:+84% revenue,+85% deals closed,+111% projects processed. The code was made more robust, performance was optimized, and the user experience made smoother.

This is also what I did for the startups, scale-ups, and large corporations I've worked for (Club Med, Weekendesk, etc., see my CV) that wanted a reliable front-end as the foundation for their growth.

Here's what I concretely bring:

*Performant**, **accessible(A11Y), andmaintainableReact / Next.js interfaces in the long term

*Reducedtime-to-market through solid Design Systems and regular deliverables

*OptimizedCore Web Vitals that have a direct impact on conversion rates
  • Comprehensive tests (Jest, React Testing Library, Playwright) and CI/CD
My main stack
React / Next.js · TypeScript · Tailwind CSS · Redux / Zustand ·
REST API / GraphQL · Jest / Playwright

My approach
  • Triple competence: design sensitivity, technical expertise, product vision, for smooth collaboration with design, product, and backend teams.
  • Clean code (SOLID, KISS, DRY)
  • Proactive communication
  • Regular deliverables

If you want to develop and/or strengthen your front-end, contact me, I guarantee a response within 2 hours.
  • French

    Native or bilingual

  • English

    Fluent

Can work on-site
Paris (up to 50km), Serris (up to 20km)

Experience

  • Lelops
    Malt logoOn Malt
    Frontend Developer
    SOFTWARE PUBLISHING
    March 2026 - April 2026 (2 months)
    Paris, France
    Design and development from scratch of the complete web interface for LELOPS, an AI-driven SaaS web security and performance monitoring platform. The objective was to produce an operational dashboard covering the entire product scope: real-time monitoring, alert management, compliance, configuration versioning, and integrated AI agent.

    Results at the end of the assignment: delivery of a full client-side Next.js 16 / React 19 application in 4 weeks, including 12 functional pages, a coherent dark/light UI, all following a complete design system. Application ready for demonstration to investors and prospects.

    Responsibilities and concrete achievements

    • Front-end architecture: Next.js 16 / React 19 App Router, strict TypeScript, Tailwind CSS v4, shadcn/ui, Zustand, react-hook-form/Zod, next-intl (i18n)
    • Design system: reusable components (DataTable, StatCard, Badge, Modal, ContextMenu, FilterDropdown, EmptyState…)
    • Product pages: Overview (Recharts, Nivo Sankey charts…), Alerts, Monitoring (Security/Performance/FinOPS), Manage, Scheduled Tasks, Configuration Explorer, Versioning, Compliance, Logs, Organization, Settings, Help
    • Visualization integration: Stacked Line, Radar, Gauge/Donut, Sankey charts, DateRangePicker
    • "Ask Lelops" AI module: chat with contextual suggestions and quick actions
    • UI polishing: full dark mode, CSS transitions, basic accessibility, skeleton loaders, empty states…
    Next.js React.js TailwindCSS TypeScript Accessibility
  • Source
    Front-end Developer
    SOFTWARE PUBLISHING
    November 2025 - March 2026 (4 months)
    Delaware, United States
    Source is the AI tool that helps brands and ERP consulting firms using Netsuite, SAP, and Microsoft Dynamics optimize their operations.

    As a frontend developer at Source, I contributed to improving the platform, particularly by strengthening security and optimizing development processes. My efforts focused on user experience, security, and improving code quality.

    Extensive use of AI with Claude Code (agents, skills, commands, hooks...).

    Development of key features and improvements:
    • development of the "Daily reports" feature, using AG Grid and Cube charts to provide valuable operational data, with robust implementation of feature flags for per-client deployment
    • improvement of file explorer navigation, fixing display issues and ensuring a smooth user experience
    • implementation of a search feature in the AppSidebar, facilitating navigation and data access
    • implementation of an invitation-only authentication with a secure password configuration flow, prioritizing user security and access control

    Technical improvements and refactoring:
    • improvement of the codebase by adopting more precise and complete TypeScript types, thereby enhancing maintainability and scalability
    • strengthening platform security by cleaning up code and ensuring compliance with best practices
    • implementation of a standardized ESLint / Prettier configuration to ensure code consistency

    Process and quality improvements:
    • clarification of error messages and improvement of their actionability, making debugging easier
    • refactoring of the React architecture
    Artificial Intelligence Claude Code React.js TypeScript TailwindCSS
  • Solteo
    Front-end Developer
    ENERGY AND UTILITIES
    February 2025 - September 2025 (7 months)
    Paris, France
    Within an international team composed of several front/back developers, a PO, and a lead, here's what I accomplished:

    • graphical redesign of existing components based on the new design system
    • integration of these components into current site pages
    • creation of new components and their integration (including charts with Visx)
    • progressive activation of these components on different environments, ensuring graphical consistency on the production site throughout the progressive deployment process
    • communication with APIs
    • integration of best practices related to my experience within the development team
    React.js JavaScript TypeScript TailwindCSS Next.js

Reviews

5.0

Out of 6 ratings

S

Sofiane

Co-Fondateur - Lelops

Several days project

-

Reviewed on 4/20/2026

Philippe is very professional and has a keen eye for detail. He knows how to put his expertise to work for the user experience.
S

Sofiane

Co-Fondateur - Lelops

Several weeks project

-

Reviewed on 4/2/2026

Philippe demonstrates great professionalism. Beyond his skills, he doesn't hesitate to share his experience to ensure project success. His total commitment makes collaboration smooth and truly enjoyable. I highly recommend him!

Recommendations

LG
KB
MH
+6
Léo Gelin and 8 other people have recommended Philippe

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Education

  • Software Developer
    Wild Code School
    2017
  • Web Project Manager Degree
    IESA multimedia
    2009

Skill set

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