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Euk D.ED

Euk D.

Front-End Developer | React,Next.js,React Native

€250/day
Paris, FR
3-7 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Euk

Senior Front-End Developerwith ~5 years of experience on projects usingReact, Next.js, and React Nativefor recognized players in retail, luxury, and family offices.

I help you deliver **performant, maintainable, and brand-aligned web and mobile interfaces**, with particular expertise in:


  • Modern headless and e-commerce architectures (Next.js, TypeScript, Tailwind CSS, Storybook, Nx)
  • Cross-platform mobile development (React Native, Firebase, Cloud Functions)
  • Integration of complex APIs and data synchronization between systems (REST, webhooks, runtime validation with Zod)
  • Scalable code quality: unit and integration tests (Vitest, RTL), documented design systems, code reviews, and team support

What sets me apart:
  • Concrete experience on high-traffic production projects (international e-commerce, mobile apps published on stores)
  • Ability to handle cross-functional technical topics (major framework migrations, performance optimization, modular architecture)
  • Product-oriented approach: understanding business needs, proactive on UX, autonomous in delivery

Available for full remote work, comfortable in international contexts and distributed teams.
  • French

    Native or bilingual

  • English

    Fluent

  • Arabic

    Native or bilingual

  • Spanish

    Basic

Remote only
Primarily works remotely

Experience

  • STIA - Société Tunisienne d'Industrie des Accessoires en Aluminium
    Full-Stack Freelance Developer - Next.js / TypeScript
    May 2026 - Today (3 months)
    End-to-end design and development of a B2B lead capture platform with digital PDF catalog distribution, for STIA — a Tunisian industrial company certified ISO 9001:2015 and ISO 45001:2018.

    Platform in production since May 2026at **catalogue.stia-tunisie.com**, used by field sales representatives, in showrooms, and at trade shows. Solo full-stack mission, from scoping to deployment.

    Achievements:

    Front-end and UX
    - Next.js 16 (App Router, React Server Components) with Tailwind UI v4 + shadcn/ui
    - Mobile-first optimized for quick QR scanning and completion in under a minute
    - Intelligent international phone number validation (libphonenumber-js, support for new Tunisian mobile prefixes)
    - Thank you page with preview and PDF download.

    Back-end and architecture
    - Next.js Server Actions + Route Handlers, PostgreSQL database hosted on Supabase, Drizzle ORM, versioned SQL migrations
    - Outbox pattern + next/server after() for reliable asynchronous dispatch despite hosting provider constraints
    - PDF storage on Supabase Storage, served via proxy route with signed URL pattern to avoid Gmail rejections
    - Automated daily Excel export pipeline (aggregated stats, top companies, volumes per catalog) sent by email to sales reps

    Integrations
    - Transactional email sending via Resend on a verified domain
    - WhatsApp notifications via Meta WhatsApp Cloud API (verified Business Manager, approved templates)

    Security and compliance
    - AES-256-GCM encryption of personal data (email, phone) in the database
    - HMAC for deduplication hashing
    - Strict Zod validation at every boundary

    Infrastructure
    - Continuous deployment on Vercel, DNS/SSL configuration at the client's registrar, scripted QR code generation

    Stack: Next.js 16, TypeScript, Tailwind CSS, shadcn/ui, React Server Components, Supabase, PostgreSQL, Drizzle ORM, Zod, Resend, Meta WhatsApp Cloud API, Vercel
    Next.js Typescript PostgreSQL Supabase Tailwind CSS
  • Printemps
    React / TypeScript Front-End Developer
    LUXURY GOODS
    September 2021 - December 2021 (3 months)
    Paris, France
    Development of the event platform forPrintemps department stores(evenements.printemps.com), **still in production today**, which allows customers to discover and book events and workshops organized in the group's stores.

    Achievements:

    Event listing page
    - Multi-criteria filtering (store, date, service type)
    - Dynamic grouping of events by day, tile display
    - Real-time availability indicator per slot, synchronized with the Booxi API

    Event detail page
    - Integration of Booxi data: visuals, description, schedules, capacity, availability
    - Calendar of upcoming slots over several days
    - Handling of loading states, errors, and edge cases (event full, expired)

    Industrialization
    - Strict typing of all business models in TypeScript
    - Continuous deployment on Firebase Hosting
    - Integration of analytics tracking (Google Tag Manager)

    Stack:React, TypeScript, Firebase, Booxi Booking API
    Typescript React.js REST APIs Bootstrap Firebase Hosting
  • Sonepar
    React Native / TypeScript Mobile Developer
    BANKING AND INSURANCE
    January 2022 - June 2024 (2 years and 5 months)
    Paris, France
    **Internal mobile application for the Colam Entreprendre group**, a management structure for the family assets of the Sonepar Group shareholders. The app centralizes communication between members, news dissemination, and group event management.


    Application still in production in 2026on Google Play and the App Store.

    Key achievements:

    Business modules
    - Design and development of the news module (favorites, comments, post management)
    - Design of the events module (creation, dynamic sorting by date, RSVP presence/absence)
    - Member directory with search engine
    - Management of shareholder profiles (position, language, preferences) with fine-grained customization

    Back & infrastructure
    - Development of Firebase Cloud Functions for server-side business logic, security, and data orchestration
    - Drupal ↔ Firebase integration via webhooks for real-time synchronization of editorial content from the CMS and dissemination of associated notifications
    - Real-time push notification system via Firebase Cloud Messaging, configurable by user
    - Integration of Matomo Analytics for behavioral tracking

    Product & delivery
    - Active contribution to the backlog and estimation of User Stories in an agile team
    - Close collaboration with the UI/UX team on experience optimization
    - Multi-platform deployment (Google Play & App Store) with version management

    Stack: React Native, Redux, TypeScript, Firebase (Cloud Functions, Firestore, FCM), Drupal, Webhooks, Matomo, Azure DevOps
    Methodology: Agile
    React Native Typescript Firebase redux Cloud Function

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Education

  • Full stack developer
    Ynov campus
    2021

Skill set

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