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Senior Software Engineer · 11+ yrs

I design and build
production systems.

Frameworks, protocol implementations, and replication tools. Go, TypeScript, SQLite. I measure everything and ship what I'd use myself.

11+
years
12K+
users served
10K
live viewers
258K
RPS benchmarked
Production Systems

Real products, real users.

SaaS products and infrastructure I built and shipped — not demos, not tutorials.

dripsender.id

WhatsApp marketing automation serving 12,000+ users across 14 servers.

12K+ users
14 servers

Antre.in

Healthcare B2B SaaS. Real-time patient queue management, multi-tenant, RBAC.

B2B healthcare

Orderlink.in

SaaS platform with 2,000+ paid subscribers. Subscription billing, multi-tenant.

2K+ paid subs

EatJom

Multi-tenant restaurant SaaS. QR ordering, multi-kitchen receipts, custom branding.

SaaS multi-tenant

slug-post

Markdown to shareable web page. No registration. Live at slugpost.com.

8★ GitHub
live slugpost.com

KlikAja

Smart link shortener with analytics. QR codes, A/B testing, geo-routing.

3★ GitHub
live klikaja.app

Live Streaming Platform

10,000 concurrent viewers. Zero buffering. A fraction of typical CDN costs. First event ran flawlessly — auto-adaptive quality, global edge delivery.

10K
concurrent
0
buffering
low
cost
Engineering Notes

Opinions, backed by benchmarks.

14 engineering notes on architecture, databases, auth, and deployment. Written for the dulak boilerplate docs.

About

Engineer, not agency.

11+ years building software — from PHP to Node.js to Go. I work directly with founders and technical teams. No project managers, no status meetings. Just code, measurements, and shipped products.

20+ projects shipped: queue systems serving thousands daily, web frameworks hitting 258K RPS, live streaming for 10K concurrent viewers, replication tools matching native performance. I measure everything.

Contact

Let's talk.

Email is the fastest way to reach me. I respond within 24 hours.

[email protected]
Maulana Shalihin · Senior Software Engineer