Available for new opportunities — Ctrl+K for System Mode
0
Active Systems
0.9%
Uptime
0+
Projects Shipped
0+
Years Experience

I design and build scalable systems, automation tools, and real-time platforms that power production software.

Systems engineer (full-stack + infrastructure + automation). 7+ years architecting FinTech, EdTech, SaaS, and enterprise platforms that run in production.

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System Activity
⚡Build succeeded — RepsShield v2.3.12m ago
⚠API request spike detected — 12K/min5m ago
⚡Deploy completed — LCPayment API12m ago
✓Database backup completed — 00:00 UTC28m ago
✓SSL certificate renewed — repsshield.com1h ago
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ralph.dev - bash
Welcome to ralph.dev CLI. Type 'help' for commands.
❯ralph@dev

// ENGINEERING PROFILE

Ralph Chan
Ralph Miguel Chan
Systems Engineer - Full-Stack & Infrastructure
Email LinkedIn

I don't just write code.
I build systems that run businesses.

Over 7+ years, I've architected and shipped production systems across FinTech, EdTech, enterprise SaaS, and e-commerce - from payment gateways processing thousands of daily transactions to student information platforms serving thousands of users.

I care deeply about clean architecture, scalable design patterns, and building software that teams can maintain and extend long after I've moved on. Currently based in the Philippines - open to remote roles worldwide.

7+
Years Shipping
30+
Systems Built
10+
Projects
01Simplicity first - reduce moving parts until the system is understandable, operable, and easy to change.
02Build for scale - account for data growth, concurrency, cost, and failure before traffic exposes the weak points.
03Automation is leverage - remove repeatable manual work with tools, queues, jobs, and reliable workflows.
04Ship and iterate - release useful increments, measure the outcome, and improve from production feedback.
05Reliability matters - timeouts, retries, fallbacks, and monitoring are product features.
06Maintainability over cleverness - readable patterns beat abstractions that only one person can safely modify.

// SELECTED WORK

Systems I've Built

Click any project to expand the full case study - Problem → System → Impact.

SaaS / Compliance Tech
RepsShield
Express.jsReact.jsPostgreSQLAI Integration
Live
FinTech
LCPayment
LaravelBootstrapMySQLjQueryHTML/CSSPayment GatewaysAWS S3
Case Study
EdTech
Little Champions Academy
LaravelFirebaseHTML/CSSMySQLPayment GatewaysAWS S3jQueryBootstrap
Live
EdTech
Student Information System
LaravelMySQLAlpine.jsjQueryHTML/CSSAWS S3ZoomFirebase
Live Case Study
Enterprise
Young Sealed Packing
LaravelMySQLjQueryTailwind CSSAlpine.jsPayment Gateway
Live
Real Estate
The Couve
Next.jsCoolifyWordPressRealtyna
Live
CRM
Coffee Loyalty Rewards
Express.jsMongoDBNext.jsTailwind CSSQR Code Gen
Live
E-Commerce
JDAN Wine Cellars
MySQLjQueryTailwind CSSLine AppeCommerce
Live
Healthcare
Dentist Booking System
LaravelMySQLTailwind CSSCustom APIGoogle Calendar
Marketing
Referral Engine
LaravelMySQLTailwind CSSCustom API

// ARCHITECTURE LAYERS

Tech Stack

The full stack - from browser to server to infrastructure.

Frontend6 technologies
ReactNext.jsTypeScriptTailwind CSSAlpine.jsjQuery
Backend & APIs6 technologies
Node.jsExpressLaravelPythonC#REST APIs
Database & Storage5 technologies
PostgreSQLMongoDBFirebaseMySQLRedis
DevOps & Tools6 technologies
GitDockerAWSCI/CDJiraLinux

// SYSTEM VISUALIZATION

Designed for Scale

A production system model for the way I think about interfaces, edge delivery, services, data, queues, and observability.

// GET IN TOUCH

Let's build something together

Whether you have a project in mind, a role to fill, or just want to connect - my inbox is always open. I typically respond within 24 hours.

Location
Philippines