SENIOR WEB DEVELOPER

JÉRÔMESCHAEFFER

Building fast, accessible web apps with modern tech. Based in Seoul, open to remote & hybrid roles worldwide.

Jérôme Schaeffer
Jérôme Schaeffer
Available for work
LOCATIONSeoul, South Korea
EXPERIENCE8+ years
FOCUSFull Stack
ReactVue.jsNext.jsTypeScriptNode.jsTailwind
ABOUT ME

Developer &
Educator

I've spent years shipping products and mentoring teams. I care about clean architecture, performance, and UI clarity. Always eager to learn new technologies and tackle challenging problems.

INFORMATIONS
8+ years
Experience
No/Hybrid
Remote work
Seoul
South Korea
Zend
Certified PHP
TECHNOLOGIES

Skills &
Expertise

Full-stack development with a focus on modern JavaScript ecosystems and scalable backend architectures.

TECHNOLOGIES
Frontend
Next.jsReactVue.jsSvelteTypeScriptTailwind
Backend
Node.jsSymfonyLaravelPostgreSQLRedis
Libraries & Tools
Three.jsAgoraTanStack QueryTanStack RouterGSAP
DevOps
DockerGitCI/CDLinux
Testing
JestPHPUnitCypressPlaywright
AI & LLM
LLMRAGOllamaLangChainPrompt Engineering
EXPERIENCES

Work
Experience

A journey through startups and established companies, building products and leading teams.

TIMELINE
2025 – TODAY
Senior Frontend Engineer
3i
Building the company website, a Lesson platform for coaches and riders with live video call lessons and call recording and a Cloud platform for video management and uploads.
Built with Vue.js.
2024 – 2025
Senior Web Developer
인핸스
Development of multiple web applications and tools oriented mainly around AI tools/chat (GPT-4, Gemini, Claude).
2023 – 2024
Fullstack Web Teacher
WCODING
Teaching to complete beginner and experienced people CSS, HTML, PHP, Javascript and MySQL
2021 – 2023
Team Lead Web Developer
Redspher
2017 – 2021
Senior Web Developer
Flash Global
Implementation of technical services in legacy applications
Migrating a PHP 5 application park in PHP 7
Modernization of a legacy stack
Training developers to new tools throughout their implementation
Upgrading the development stack with the usage of Docker
2015 – 2017
Web Developer
OpCoding
2015 – 2015
Junior Web Developer
Olkypay
Development of a payment application using the Symfony 2 framework.
Implementation of monitoring of servers and webservices.
Full resume (PDF)
CONTACT

Let's
Connect

If you have a role, a project, or just want to talk shop — reach out. I'm always happy to discuss new opportunities.

OPEN TO OPPORTUNITIES
LOCATION
Seoul, South Korea
© 2026 Jérôme Schaeffer
Built with Next.js + GSAP