I'm a mobile specialist who has built production apps with React Native.
I also bring full-stack experience across web (React, Next.js) and infrastructure, focused on building user-centered products and collaborating effectively within teams.
- Mobile: React Native (Expo), Android, iOS, Reanimated
- Security
- App security, jailbreak/root detection, obfuscation, tamper protection, anti-malware (vaccine) integration
- Passed 2 rounds of app vulnerability assessments by the Financial Security Institute (FSI)
- Security
- Web: React, React Router, Next.js, TailwindCSS, shadcn
- Backend: Nest.js (Node.js)
- Infrastructure: Naver Cloud Platform (financial sector)
- AI Tools: Cursor, Claude Code, Codex, GitHub Copilot, Vercel AI SDK
- Feb 2026: 1st Place, 2nd CEK AI Hackathon
- May 2021: Encouragement Award, 1st Woori Bank Ontact Hackathon
Check out recommendations from colleagues and collaborators I've worked with here π
- Building products that create real business value
- Improving developer workflows & automation
- Exploring AI-assisted development tools
- Exploring on-device AI for mobile
- Email: 2circumflex@gmail.com
- LinkedIn: linkedin.com/in/2circumflex
This profile is also available in Korean