Architecting resilient backends & fluid web experiences.
Hi, I'm Rex Darel Andig. I build modern, production-ready, enterprise-grade applications. With a strong foundation in software architecture and I specialize in developing scalable, high-performance systems that drive real business value.
Engineering Stack & Skills
Proven expertise across the full software lifecycle, from intuitive frontend components to high-scale backend architectures.
Frontend Development
6 competenciesReact / Next.js 16
CoreVue 2/3
CoreTypeScript
CoreTailwind CSS v4
StylingState Management (Pinia/TanStack Query/Redux)
StatePerformance Tuning & Core Web Vitals
OptimizationBackend & Systems
4 competenciesLaravel
RuntimePython
BackendGraphQL & RESTful APIs
APIAuthentication & OAuth2 / JWT
SecurityDatabases & Storage
3 competenciesPostgreSQL & MySQL
RelationalRedis & In-Memory Caching
CacheMongoDB / DynamoDB
NoSQLCloud & DevOps
3 competenciesDocker
ContainersCI/CD (GitHub Actions)
AutomationVercel
DeploymentFeatured Full Stack Projects
Architected for real-world reliability, sub-second latency, and scalable maintainability. This section is in progress. More coming soon.
MilePup
Real-time logging and analytics for vehicles
A vehicle management system that tracks vehicle information, maintenance records, expenses and automatically tracks mileage if connected to Bluetooth.
FlockTally (Coming soon)
Real-time poultry farming management
A poultry farming management system that tracks flock health, feed consumption, and production with AI-powered disease detection and forecasting.
Sprout (Coming soon)
Real-time AI Plant Assistant
A real-time AI plant assistant that helps you take care of your plants with AI-powered plant identification, care recommendations, health monitoring, and more.
Engineering Work Experience
Track record of shipping production code, optimizing performance, and leading technical initiatives.
Full Stack Engineer
Key Contributions & Impact:
- Engineered an internal system for monitoring customers practice status built with Laravel and Vue
- Created a microservice in Dentrix Ascend for Email and SMS campaign
- Created Python scripts to process large datasets across different database clusters
Jr. Front-end Developer
Key Contributions & Impact:
- Developed a modern, front-end web application using Vue
- Created an image processing Python script for PDF file to extract data
Intern
Key Contributions & Impact:
- Optimized and maintained high-traffic Wordpress sites to ensure 99.9% uptime
- Developed a Laravel website
- Managed 21CLearning Wordpress site
Let's build something exceptional together.
Whether you need a full stack architect for a new project, microservice optimization, or hiring full-time, I'm always open to discussing new opportunities.