Freelancer profile translated to English.

Description

Looking for afrontend developertodefine the front architectureof your product and deliverperformant and accessible interfaces**? Whether to **strengthen your product teamor **develop a custom website**, I'm here to assist you.

🌐Portfolio→ guilletetienne.com

About Me

Frontend developer for 8 years**, I've worked with **Lucca(European leader in HRIS),Packative(leading platform for packaging in South Korea & Japan, creators of DYP.ai, generative AI for packaging design), andTagada(e-commerce OS, +1,000 merchants). Specializing in **React, Next.js, and TypeScript**, I pay close attention to **UI/UX**, **responsive design**, and **accessibility**.

Contract of Trust

Transparencyis at the core of my work. I provide adaily reportat the end of the day on tasks completed. You'll know the status of your project.

My Approach

Before coding, I help youclarify your needsandchoose the best solutionsfor your project. Then I deliver a finished, tested, and maintainableweb applicationorwebsite**, from **frontend developmentto **web integration**, testing, and deployment.

Why Choose Me?

**100% 5-star reviews on Malt**. Responsive, rigorous, and transparent, I adapt to your organization (remote, Agile, solo).

Contact me to discuss!

My Projects

📊Lucca(lucca.fr) — HR SaaS, European leader

💳Tagada(tagadapay.com) — E-commerce OS, +1,000 merchants

📦Packative(packative.com) — Packaging platform Korea & Japan

🤖DYP.ai(dyp.ai) — Generative AI for design

🏎Olinid(olinid.com) — Luxury car rental

🩺Beauxmonts(beauxmonts-medecine-esthetique.fr) — Aesthetic medicine

👷East Rénovation(east-renovation.fr) — Construction

👨‍⚕️Dr Rivalier(docteur-rivalier.com) — Doctor

Industry field of expertise

Languages

French
Native or bilingual
English
Native or bilingual
Korean
Conversational
German
Conversational

Workplace preferences

Remote only

Primarily works remotely

TagadaPay
Frontend Lead
E-COMMERCE
April 2025 - February 2026 (10 months)
Paris, France
Leading the frontend team at Tagada, the e-commerce OS used by +1,000 merchants worldwide. I define the front architecture and manage the technical team daily. I designed and developed key CRM interfaces: analytics dashboard, payment management, subscriptions, and the visual flow builder allowing merchants to visually orchestrate their e-commerce flows. Stack: React, TypeScript, Next.js.
React.js Typescript Next.js Tailwind CSS Reactflow
Packative
Frontend Developer
LOGISTICS AND SUPPLY CHAIN
April 2023 - September 2024 (1 year and 5 months)
Séoul, South Korea
Frontend development of the e-commerce marketplace (Next.js/TypeScript) and the multi-tenant CRM (React/Tailwind). Creation of the real-time 3D packaging editor and a supply chain manager with Reactflow. E2E tests with Playwright and Jest. #1 packaging platform in South Korea and Japan. Clients: Microsoft, Samsung, LG, Hyundai.
React Tailwind Angular Next.js Typescript
Lucca
Frontend Developer
SOFTWARE PUBLISHING
September 2022 - March 2023 (7 months)
Nantes, France
Design and development of key features on Poplee Entretiens, the SaaS software for managing interviews and training used by thousands of companies. Work in a micro-services architecture between different applications. Use of Angular, NGRX for state management, and Jest for unit tests.
Microservices Angular NgRx Typescript Jest