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Zailportfolio
Portfolio Catalog

Projects & Engineering Case Studies

Production web applications, microservices, developer tools, and analytics dashboards built with modern toolchains.

Apex Logistics Management System
Full-Stack2024

Apex Logistics Management System

Enterprise fleet dispatch and cargo tracking platform featuring role-based access control and live status dashboards.

Key Architecture Points
  • Role-Based Access Control (Superadmin, Dispatcher, Driver, Finance)
  • Automated PDF consignment note & invoice generation
  • Optimistic UI updates with TanStack Query and React 19
  • Database connection pooling with Drizzle ORM
Daily Shipments Tracked
5,000+
Dispatch Processing Time
-60%
Uptime SLA
99.95%
Next.jsTypeScriptHonoMySQLDrizzle ORMTailwind CSS
Live DemoSource Code
Detail Proyek
OmniPOS Multi-Outlet Retail System
Full-Stack2024

OmniPOS Multi-Outlet Retail System

Cloud-based Point of Sale and inventory syncing system supporting offline cashier transactions and automated replenishment alerts.

Key Architecture Points
  • Offline-first caching mechanism for unstable branch network conditions
  • Redis pub/sub channels for instant multi-cashier sync
  • Comprehensive daily revenue and margins breakdown
Store Outlets
14 Stores
Transaction Latency
<120ms
Inventory Sync Accuracy
100%
ReactTypeScriptNode.jsPostgreSQLRedisFramer Motion
Live DemoSource Code
Detail Proyek
KriptoPulse Real-Time Analytics Terminal
Frontend2023

KriptoPulse Real-Time Analytics Terminal

High-frequency cryptocurrency and market liquidity dashboard with live candlestick charts and order book visuals.

Key Architecture Points
  • Custom throttled WebSocket stream to prevent React re-render thrashing
  • Canvas-based rendering for ultra-dense chart histories
  • Architectural monochrome UI with high legibility
WebSocket Ticks/Sec
1,200+
Lighthouse Performance
98/100
Client Memory Footprint
<45MB
Next.jsTypeScriptApexChartsWebSocketTailwind CSS
Live DemoSource Code
Detail Proyek
SentriAuth Distributed RBAC Gateway
Backend / API2023

SentriAuth Distributed RBAC Gateway

Lightweight identity, JWT verification, and dynamic permission evaluation service built on Hono and Bun.

Key Architecture Points
  • Zero dependency core built directly on Bun runtime primitives
  • Bitmask and hierarchical permission verification algorithms
  • Plug-and-play middleware for Hono and Express applications
Request Throughput
18,000 req/s
Response Time
1.8ms
Docker Image Size
38MB
HonoBunTypeScriptRedisJWTDocker
Live DemoSource Code
Detail Proyek
DevForge CLI Developer Scaffolder
System / Tools2023

DevForge CLI Developer Scaffolder

Interactive command-line tool for bootstrapping full-stack repositories with pre-configured schemas, linters, and CI pipelines.

Key Architecture Points
  • Interactive prompts with automated git repository initialization
  • Multi-template generator supporting Hono, Express, and Fastify
NPM Downloads
4,500+
GitHub Stars
320+
Node.jsTypeScriptCLICommander.jsInquirer
Source Code
Detail Proyek
MedikaCare Clinic Booking & Telemedicine
Full-Stack2022

MedikaCare Clinic Booking & Telemedicine

Healthcare patient portal featuring doctor schedule reservation, digital prescriptions, and automated appointment reminders.

Key Architecture Points
  • Automated WhatsApp confirmation triggers via webhooks
  • Strict HIPAA-compliant patient record data sanitization
Patients Served
12,000+
Booking No-Show Drop
-40%
Next.jsTypeScriptPostgreSQLTailwind CSSTwilio WhatsApp API
Live DemoSource Code
Detail Proyek
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