Jeong / TypeScript · 2026
01 · Premise01 / 03
Engineering as craft.
— not chore, not chorusAvailable
02 · Approach02 / 03
A deliberately narrow stack.
— deeply learnedAvailable
03 · Proof03 / 03
Seven years, forty systems.
— TypeScript · Postgres · InfrastructureAvailable
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010203
Selected Work
Things I've shipped.
View ↗
01 · 2025
Fullstack
Ledger Protocol
TypeScript · React · Rust
View ↗
02 · 2025
Web3
Halo Finance
Solidity · Next.js
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03 · 2024
Backend
Orbit API
Laravel · PostgreSQL
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04 · 2024
DeFi
Fable Protocol
Solidity · Express
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05 · 2023
Frontend
Mira Dashboard
React · TypeScript
06 · systems
Six systems.
Seven years.
Toolkit
A narrow stack, deeply learned.
Frontend · Web
TypeScript
Strict mode · ESM
React
Next.js · RSC · App Router
Laravel
PHP · REST · Artisan
Express
Node.js · REST · WS
Systems · Web3
Rust
Performance · WASM · Safety
Solidity
EVM · DeFi · Contracts
PostgreSQL
Primary data · JSONB · perf
Vercel
Deploy · Edge · CDN
About
Jeong · Indonesia
Engineering as craft. Not chore. Not chorus. Care.
TypeScriptReact / Next.jsLaravelRustSolidity
Available for new workFull story →
TypeScript◇React / Next.js◇Laravel◇Rust◇Solidity◇TypeScript◇React / Next.js◇Laravel◇Rust◇Solidity◇
TypeScript, React / Next.js, Laravel, Rust, Solidity
Writing