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A Sidewalk Developer Bacolod City, Philippines

Turning complex workflows into clean, reliable software.

I'm Jerwin Arnado — a Senior Full-Stack Software Engineer specializing in Laravel, Drupal, and Vue.js. Since 2018 I've built SaaS platforms, clinic systems, ERP modules, and the open-source tools I wish existed.

About

More than just making features work

I focus on structure, maintainability, user experience, performance, accessibility, and long-term scalability. My goal is to build software that feels simple for users, reliable for teams, and strong enough to grow with the business.

By day, I develop web applications that solve real-world problems in healthcare systems, data management, and automation. By night, I'm usually experimenting in my home lab — Proxmox, Docker, and Linux — building tools for the self-hosted and developer community.

And the name? jackwander started as a misspelled in-game name typed by an 8-year-old in a Bacolod computer shop in 2004 — a stray, not an admiration. It stuck. Read the full story →

Skills

Backend
Laravel Drupal PHP MySQL C# / .NET REST & API design
Frontend
Vue.js JavaScript Tailwind CSS Nuxt React
Mobile
Flutter Ionic
DevOps & Infrastructure
Docker Linux Proxmox CI/CD AWS DigitalOcean Nginx
Practices
System architecture Database design & optimization Automation AI-assisted development Accessibility

Selected work

Projects

Screenshot of Lucas Clinic System

Lucas Clinic System

A clinic management system covering patient records, appointments, and day-to-day medical practice operations.

  • Laravel
  • Vue.js
  • MySQL
  • Paymongo
  • SaaS
Screenshot of Thrifty Carts

Thrifty Carts

A cross-platform grocery assistant app that helps shoppers plan carts and track spending, published on the Play Store.

  • Flutter
  • Mobile

Open source

Graveyard Analytics

A Jellyfin plugin that helps media-server owners manage their library's "afterlife" — tracking unwatched media, monitoring playback activity, detecting abandoned content, and auto-generating "Leaving Soon" collections to reclaim storage.

  • C#
  • .NET
  • Jellyfin

Laravel Module Maker

A Laravel package that instantly generates modular boilerplate for large applications — keeping projects clean, organized, and scalable.

  • PHP
  • Laravel
  • Package

If my open-source work has helped you, you can support it on Ko-fi.

Earlier work
Screenshot of Roundbooking

Roundbooking

Legacy project

A pixel-perfect PSD-to-HTML conversion for a booking product's marketing site.

  • HTML
  • CSS
  • JavaScript
Screenshot of Negros Bank Checker

Negros Bank Checker

Legacy project

A web application providing status information for every bank across Negros Island.

  • PHP
  • MySQL
Screenshot of Mike Vinco Blog

Mike Vinco Blog

Legacy project

A Jekyll blog featuring multiple content collections.

  • Jekyll
  • Ruby
Screenshot of ALESI Lot & Reservation Management

ALESI Lot & Reservation Management

Private client work

A lot reservation and transaction management system built after studying the client's business flow — reducing transaction errors and making their service more efficient.

  • PHP
  • MySQL
Screenshot of RGO Business Management

RGO Business Management

Capstone project

Reporting system generating company, payment, enrollment, board-passer, and passing-rate reports per course and per year.

  • PHP
  • MySQL

Background

Where I've made an impact

SaaS Platforms
Multi-tenant SaaS with subscription billing and payment-gateway integration — architecture, backend, and frontend.
Healthcare & Clinic Systems
Clinic management covering patient records, scheduling, and practice operations (Lucas Clinic System).
ERP & Business Systems
Purchase orders, vouchers, expenses, ledgers, roles and permissions, and project management modules for operating businesses.
Real Estate & Booking
Property listing platforms and reservation systems, from data modeling to client-facing UI (ALESI).
Data Migration & Employee Tools
UKG Pro data migration and internal employee tooling.
Open Source & Homelab
Jellyfin plugins, Laravel packages, and self-hosted infrastructure on Proxmox, Docker, and Linux.

Writing

Latest posts

engineering

Resolving Merge Conflicts Like You Mean It

Conflict markers stop being scary once you can read them. What <<<<<<< HEAD actually means, how to resolve by hand or with a tool, and rerere so you never solve the same conflict twice.

All posts →

Contact

Let's build something

Have a project in mind, a system that needs untangling, or a question about something I've built? I'd love to hear from you.

Email me directly at [email protected] or find me on GitHub.