Project
Notification Engine
Engine notifikasi terpusat untuk banyak channel dengan fallback yang andal.
Backend + Fullstack Engineer
I build reliable systems for teams that need to move with confidence.
I turn complex business requirements into production-ready APIs, internal tools, and distributed systems that are easier to operate and improve.
danang / systems
$ whoami
backend_engineer
$ focus --list
- reliable APIs
- data & integrations
- internal platforms
- observability
ready to build
Working across
HealthcareFintechInternal platformsClient-facing systemsSelected work
Systems built to solve real problems.
Project
Docker Janitor CLI
CLI ringan untuk membersihkan resource Docker yang menumpuk.
Project
Realtime Chat Application
Chat real-time dengan delivery WebSocket dan fan-out antar instance.
From the notebook
Writing about the work behind the work.
Understanding Dependency Injection in Go Simply
How to neatly manage database and third-party dependencies in Go applications without external frameworks.
Integrating OpenTelemetry Tracing in GORM
A complete guide on recording SQL query performance directly to Grafana Tempo using the OTel GORM plugin.
Designing Database Schema Migrations with Atlas
Why declarative migrations with Atlas are safer and more efficient than traditional manual SQL scripts.
Have a system to build?