Backend engineer in Seoul. I build open-source infrastructure that your team runs cheaper than SaaS — and AI agents (Claude, Cursor, Cline) can call natively as MCP tools.
zapier-replacement-mcp — open-source automation backend humans run cheaper than Zapier, and AI agents call natively as MCP tools.
- Spring Boot 3.5 · Kotlin 1.9 · Java 21 · multi-module Gradle KTS
- Clean Architecture — dependency direction enforced at compile time + via ArchUnit
- 2 of 6 Zapier anti-pattern templates shipped (
multi-branch-router,cascading-zaps) - 22 tests · MCP layer + more templates landing as they're built
Backend — Kotlin, Spring Boot, Java 21, Gradle KTS, PostgreSQL, JPA Frontend — TypeScript, React, Tailwind CSS Infra — Docker, AWS EC2, Nginx, Fly.io AI tooling — Claude Code (skills, hooks, MCP, agent teams), Anthropic SDK, Model Context Protocol Practices — Clean Architecture, ArchUnit, structured concurrency, subagent code review loops
Seoul (KST) · Remote-friendly across US / EU timezones · Building in the open · Reach me via repo issues / discussions



