// hello world
xmuu — Full-Stack Developer
Backend-leaning full-stack developer who enjoys distributed systems, developer tooling, and turning terminal aesthetics into delightful web experiences.
/ about
Backend-leaning full-stack developer who enjoys distributed systems, developer tooling, and turning terminal aesthetics into delightful web experiences.
/ projects
/ skills
Backend
- Node.jsexpert · 7y
- PostgreSQLadvanced · 6y
- Redisadvanced · 5y
- gRPCintermediate · 3y
Frontend
- Reactexpert · 7y
- Next.jsexpert · 5y
- Tailwindadvanced · 4y
- Svelteintermediate · 2y
Languages
- TypeScriptexpert · 7y
- Rustadvanced · 3y
- Goadvanced · 4y
- Pythonintermediate · 5y
Tooling
- Dockerexpert · 6y
- Gitexpert · 9y
- Linuxadvanced · 10y
- Neovimadvanced · 5y
/ experience
Backend Engineer @ Nusantara Tech
2022-03 → presentRemote, Indonesia
Building the core platform for a B2B payments product — APIs, async workers, and the data layer that keeps money moving reliably.
- Designed and shipped a payments orchestration layer processing millions of transactions per month with 99.98% uptime.
- Cut p95 API latency from 280ms to 70ms by rewriting a hot path in Go and introducing a tiered caching strategy.
- Led a migration from a monolithic service to a modular event-driven architecture on Kafka.
- Mentored three junior engineers and established the team's code review and on-call practices.
GoTypeScriptPostgreSQLKafkaRedis
/ blog
Building a Virtual Filesystem in React
A small tree structure, a reducer, and a handful of commands — everything you need for a navigable in-memory filesystem.
en·last year·#react
Why I Built My Portfolio as a Terminal
On choosing a command-line metaphor for a personal site, and what it taught me about interface design.
en·2 years ago·#essay
/ contact
Interested in collaborating? Email me at hello@xmuu.dev.