Hi, I’m John Michael Buan

I build scalable delivery, e-commerce, and government systems.

Flutter · Laravel/React · Postgres/PostGIS · Docker · AWS

View My Work Download Résumé
Mockup of apps and dashboards

Selected Work

PharmaDepot eCommerce
Lead Developer

Pharmaceutical e-commerce with payment gateway providing products (RX and OTC) with different price for Wholesale and Retail customers enabling on-demand delivery with AWS scaling and compliance-driven UX.

Reduced request time by 60%, Improved data accuracy
Laravel · React · TypeScript · PostgreSQL · AWS

ePickMeUp On-Delivery (Driver / Client)
Developer

On-demand delivery platform designed to serve both the public and private sectors, offering a customizable system that can seamlessly integrate and adapt to existing company workflows.

Improved request throughput, Stable infra
Laravel · Flutter · PostGIS · Docker
On-Demand

Uplink Client Systems (Budget & GSOMS)
Lead Developer

Led the design and full-stack development of two internal management systems built for government clients under Uplink — covering budget workflows, asset tracking, and operational monitoring integrated with accounting processes.

Enhanced efficiency, reduced manual processing, improved data visibility
Laravel · MySQL · jQuery · Bootstrap
Uplink Systems Collage

End-to-End Engineering Expertise

Flutter (BLoC) Laravel React / TypeScript PostgreSQL / PostGIS Docker AWS (EC2, RDS, S3)
John Michael Buan

About Me

I’m a full-stack engineer passionate about clean architecture and practical impact. I design, build, and deploy resilient systems—from Flutter mobile apps to Laravel APIs.

Experience

  • EPickMeUp Inc — Full-Stack Software Engineer (Dec 2023–Present)
  • Uplink — Junior Developer (Feb 2023–Feb 2024)

Skills

  • Mobile: Flutter, Kotlin, BLoC
  • Web/API: Laravel, React, NestJS
  • Database: PostgreSQL, MySQL, PostGIS
  • Infra: Docker, AWS, Nginx
  • Workflow: Git, GitHub, CI/CD