JL
Jongchul L.
VerifiedReact / Next.js Web Developer and AI Automation Expert
Seoul, South KoreaJoined May 2026
Starting from
€39/hr
≈ $45/hr
Typically responds within New provider
New providerAvg. response
0%Completion rate
0Projects completed
0%Repeat clients
About
I build production-focused web applications and AI automation systems for business teams. My work combines React, Next.js, API integration, dashboards, CRM automation, deployment verification, and practical AI tooling. I am strongest where a client needs a working business workflow: a website or SaaS front end, a backend API, data capture, admin screens, automation around leads or customer support, and a clear release checklist.
Skills
AI AutomationAI DevelopmentAPI IntegrationsWorkflow AutomationWeb App DevelopmentChatbot Development
Tools & platforms
OpenAIChatGPTNext.jsReactNode.jsPythonSupabasen8n
Languages
EnglishFluent
KoreanNative
Portfolio
Services by Jongchul L.
JL
Jongchul L.
Starting from €39/hr
≈ $45/hr
Secure escrow payments
Responds within New provider
Currently available
Typical turnaround: Varies
Starting from
$45/hr