Web Applications
Web apps in different architectures: static, single‑page, server‑rendered, multi‑page, or hybrid built for speed, accessibility, and SEO.
Hello, I'm
Ervin Pangilinan
Full Stack Developer
About Me
I started coding in 2021, turning a hobby into a daily practice. I build reliable, accessible apps and have experience in both solo and team projects. During a full-stack developer job, I worked on different technologies, web architecture, databases, secure authentication, and automated releases. With a Computer science degree, I focus on clean, maintainable code backed by strong fundamentals and teamwork.
What I can do
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Mobile Applications
Smooth mobile apps with offline storage, native UI, and safe updates using React Native/Expo.
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DevOps Basics
Automated builds and releases (CI/CD), Docker containers, and cloud hosting with basic monitoring.
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Game Development
Small 2D games in Unity with simple controls, basic AI, and optimized UI/performance.
My Developer Timeline
Full-Stack Developer
Built and maintained web apps with TypeScript and Next.js, managed CI/CD pipelines via Vercel, AWS, and Heroku, and migrated legacy code to App Router with Next.js 16 improving performance and reducing costs.
TypeScript
Next.js
NestJS
Vercel
AWS
Heroku
GitHub Actions
Full-Stack Developer
Implemented end‑to‑end features for a corporate web platform designed REST APIs, refined responsive React UI, optimized database queries & strengthened testing for reliability.
Express
React
TypeScript
Prisma
PostgreSQL
Digital Ocean
Jest
Docker
Freelance Developer
Deliver responsive landing pages & small business sites with semantic, accessible markup and lightweight tooling.
NextJs
React Native
Supabase
Student Projects
Collaborated with other students on thesis and school projects building full‑stack features with clean architecture, solid state management & automated testing.
React
Node.js
Express
MongoDB
C#
Unity
Python
FastAPI
Spacy
Getting Started
Explored programming fundamentals, version control & web basics turning curiosity into structured learning.
HTML
CSS
JavaScript
Java
Git
My Skills
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Astro -
React -
TypeScript -
Node.js -
Express -
Prisma -
PostgreSQL -
MongoDB -
FastAPI -
Python -
React Native -
Docker -
Git -
Unity (C#) -
Jest
Projects
Selected personal, academic & internship work. Each emphasizes learning, maintainability & real user value.
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image of paysera timekeeping system Paysera Timekeeping System
2024 – 2025Internship at FiveTwenty: our team built a timekeeping platform. I mainly contributed to the backend, including role-based access control, audit logging, API design, performance tuning, and automated tests.
- React
- ShadCN
- Express
- Prisma
- PostgreSQL
- TypeScript
- Docker
- Jest
- Supertest
- DigitalOcean
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image of fair write a gender fair revision web application Fair Write (Gender Fair Revision)
2024 – 2025Group thesis project: my role involved backend and NLP development, where I built REST APIs and integrated pipelines to detect biased terms and suggest inclusive alternatives in real time.
- Svelte
- Tailwind
- Prosemirror
- FastAPI
- LanguageTool
- spaCy
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image of ajapco sales and inventory system Ajapco Sales & Inventory System
2023Freelance project developed a sales and inventory management system for selling japanese sweets.
- React
- Node.js
- Express
- MySQL
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image of greencycle a recycling mobile app GreenCycle Mobile App
2025Freelance project built online‑first backend logic with offline support for a recycling app and tested data sync between cloud and local storage across Android/iOS.
- React Native
- Expo
- Supabase
- TypeScript