Available for contracts & MVPs

Hi, my name is

Bennyhinn Sam T.

I build & launch production products.

I'm a full-stack product engineer building high-performance mobile applications and lean cloud systems. Currently engineering Vitrak (on-demand logistics & dispatch ecosystem in Singapore), Christ Companion (live community beta), and the OnAir dynamic relay infrastructure.

2
Store Apps Live
<15ms
SGP1 Latency
14 Days
0-to-1 MVP Speed
$0 Egress
Cloudflare OTA

Featured Work & Systems

Slide to explore projects (1 of 5)

Vitrak Logistics Platform

Commercial Production

Singapore • 2026

Full-scale on-demand logistics & fleet dispatch ecosystem for Singapore. Features two native mobile apps (User App & Driver Fleet App) with sub-second real-time GPS streaming, PostGIS driver geo-matching (ST_DWithin), and automated dispatch sweeps.

Dual Store Compliance: React Native apps approved on both Apple App Store and Google Play Console.
Sub-Second Realtime Tracking: Dedicated Supabase Realtime WebSocket node with logical replication.
Lean Cloud & $0 Egress OTA: DigitalOcean Singapore SGP1 with zero-downtime Blue/Green deploys ($73/mo) + Cloudflare Workers R2 OTA updates bypassing EAS limits.
React Native
TypeScript
NestJS
PostGIS
DigitalOcean SGP1
Cloudflare Workers
Stripe

Christ Companion

Live Beta

Community Mobile & Web App • 2026

View Christ Companion

A digital platform for the Christian community delivering offline-first curated songbooks, scripture exploration, and distraction-free communal worship tools. Live in active beta testing at companion.christapps.in.

Offline-First Architecture: Instant access to hymn databases and scripture caching without cell network.
Active Beta Testing: Actively used and validated by congregational community members.
React Native
TypeScript
Offline-First
Community
Mobile

OnAir Ecosystem & Relay

Systems & Engine

Go • Networking Engine

View OnAir Ecosystem & Relay

High-performance broadcasting relay server and dynamic engine in Go. Designed for small businesses that need real-time dynamic content feeds into static websites without heavy CMS overhead, featuring foundations for media routing and distributed chat infra.

Go (Golang)
WebSockets
Relay
Networking
Dynamic Engine

Aura Clash

Multiplayer Web Game

Live on Render • Multiplayer Web Game

View Aura Clash

A real-time multiplayer browser-based action game exploring authoritative game state synchronization, room matchmaking, and low-latency WebSocket communication.

Real-Time Multiplayer: Room matchmaking and player movement sync over low-latency WebSockets.
Deployed Live: Hosted and accessible live on Render at auraclash.onrender.com.
Multiplayer
WebSockets
Game Loop
Node.js
Render

Keyflow & Backend

Mobile Stack

Kotlin & TypeScript

View Keyflow & Backend

Full-stack mobile application ecosystem built with native Kotlin Android components backed by a modular TypeScript API service layer.

Kotlin
TypeScript
Android
REST API

Core Stack & Technologies

Production tools, languages, and cloud systems I work with daily.

React Native
Expo
TypeScript
Next.js
Go (Golang)
Rust
Kotlin
Swift / iOS
Tailwind CSS
JavaScript
Android
Apple
React Native
Expo
TypeScript
Next.js
Go (Golang)
Rust
Kotlin
Swift / iOS
Tailwind CSS
JavaScript
Android
Apple
React Native
Expo
TypeScript
Next.js
Go (Golang)
Rust
Kotlin
Swift / iOS
Tailwind CSS
JavaScript
Android
Apple
React Native
Expo
TypeScript
Next.js
Go (Golang)
Rust
Kotlin
Swift / iOS
Tailwind CSS
JavaScript
Android
Apple
NestJS
Node.js
PostgreSQL
Supabase
Redis
Docker
Cloudflare
DigitalOcean
Linux
Nginx
Stripe
Vercel
Git
GitHub
NestJS
Node.js
PostgreSQL
Supabase
Redis
Docker
Cloudflare
DigitalOcean
Linux
Nginx
Stripe
Vercel
Git
GitHub
NestJS
Node.js
PostgreSQL
Supabase
Redis
Docker
Cloudflare
DigitalOcean
Linux
Nginx
Stripe
Vercel
Git
GitHub
NestJS
Node.js
PostgreSQL
Supabase
Redis
Docker
Cloudflare
DigitalOcean
Linux
Nginx
Stripe
Vercel
Git
GitHub

Engineering Disciplines

End-to-end execution across client apps, real-time networking, and cloud systems.

01 / Client Systems

Cross-Platform Mobile

Production iOS & Android systems with React Native and native bindings. Focus on offline-first state synchronization, memory management, background services, and real-time WebSocket telemetry.

React NativeSwift / KotlinWebSockets
02 / Infrastructure

Lean Cloud & Distributed Edge

Containerized backend architecture on DigitalOcean and Cloudflare Workers. Designing sub-15ms regional endpoints, zero-downtime blue/green deployment topologies, and zero-egress asset pipelines.

DockerNestJS / GoCloudflare Edge
03 / Platform Integrity

Store Compliance & Release

End-to-end stewardship of App Store Connect and Google Play release pipelines. Triage of submission policies, native crash symbolization, R8/ProGuard optimization, and self-hosted OTA updates.

App Store ConnectPlay ConsoleCI/CD & OTA

Let's Build Systems That Scale

Available for select contract engineering, production mobile architecture, and high-performance cloud infrastructure.