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Seoul, South Korea

I build AI-powered digital products.

Every day without your product is a day your competitor wins.
I build your SaaS, App, website or AI tool fast and done right.

Quick info
Role Software Engineer
Phone
LinkedIn Open
Flutter TypeScript Supabase
Product MVP Development
Tight scope, fast builds, and a clean path to version 1.
AI & Agent Integration
Real-world LLM workflows and intelligent agent experiences.
Cross-Platform Apps
High-performance mobile, web, and desktop apps from a single codebase.
Flutter AI agents

My Top Goals

AI accountability coaching that keeps users consistent—missions, guidance, and momentum.

Details
  • Track daily missions and progress
  • Multiple AI personas for guidance and accountability
  • Quick-start setups and mission-focused flows
RemixJs NextJs Supabase Payments Gemini API

Mehenot

A marketplace that matches people to work fast, with a simple flow and secure payments.

Details
  • Skill-based matching for part-time jobs and services
  • Secure payments
  • Early-access incentives to drive adoption
Three.js WebGL Vite

3D Creative Projects

A collection of interactive WebGL experiences: Crossy Road, Tunnel Boat, and more.

Details
  • Procedural map generation and voxel-style graphics
  • Real-time physics and collision detection systems
  • Dynamic lighting cycles and bloom post-processing

Experience

cogo.xyz · Platform Engineer
May 2023 – Oct 2025 · Seoul (Hybrid, On-site, Remote)
  • No-code platform in Flutter with drag-and-drop IDE and real-time preview (Android, iOS, web, desktop).
  • Figma → JSON pipeline via TypeScript plugin; live updates through WebSockets.
  • Distributed AI agent architecture across OpenAI / Claude / Qwen / Grok.
  • Supabase Edge Functions backend + BDD automation (50+ scenarios) + CI/CD.
Finenex.net (Yoshop) · Frontend Engineer
Jan 2022 – Apr 2023 · Seoul
  • Multi-synced retail/e-commerce platform: POS, back-office admin, kiosk, mobile apps.
  • Flutter + Spring-based APIs; real-time inventory and consistent UX.
  • Shipped mobile app to Play Store and App Store.
  • Co-led Flutter SDK integration and performance improvements.
nowcoding.com · React Developer
May 2021 – Sep 2021 · Seoul (On-site)
  • Built educational games to teach programming logic, increasing engagement by 30%.
  • Developed responsive UI using Angular & React for seamless multi-device learning.
  • Optimized backend performance with MySQL, improving query speeds by 20%.
PassBy · Junior Flutter Developer
Oct 2020 – Jan 2021 · Seoul (Hybrid)
  • Developed a real-time social media app with 1,000+ active users.
  • Implemented live location tracking, reducing latency by 15% for a seamless experience.
AI/ML Research · BERT LLM Chatbot · Sejong University
Mar 2023 – Jun 2023 · Seoul
  • Built context-aware AI/ML chatbot using BERT and GPT-2 for mental health support.
  • Led data curation and model fine-tuning for high-accuracy responses.
AI 2026

AI agents that actually help (not just demos)

Why most AI agents fail and how to build ones that people actually use every day.

Read post →
MVP 2026

How to ship an MVP without making a mess

Practical advice on getting your first version out the door without building technical debt you'll regret later.

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Business 2026

Tech choices that keep you sane

Choosing the right tools for your startup isn't about being trendy—it's about reliability and speed.

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Skills

Dart TypeScript Flutter Next.js React PostgreSQL MongoDB Supabase Firebase AI agent integrations

Awards & Education

  • Sejong University Excellence Scholarship
  • Sejong University Internship Scholarship
  • Undergraduate Student Research Award
  • Sejong University — B.S. in Computer Science & Engineering (2019–2023)

Contact

If you’re building something and want a fast, calm execution partner, send a short note. I’ll reply with next steps.