John Kahlil Quiambao
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John Kahlil Quiambao

Digital Solutions for Local Businesses

I build modern websites and web systems for businesses, organizations, and individuals — from responsive business websites to booking systems and custom dashboards.

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Portrait of John Kahlil Quiambao in a formal suit
About

I'm John Kahlil Quiambao.

I'm a BSIT student and freelance full-stack web developer based in Bulacan, Philippines.

I started building websites and software to turn real-world problems into practical digital solutions. My experience ranges from business websites and appointment systems to administrative dashboards and full-stack applications.

I'm currently continuing my studies while gaining professional experience through freelance development and project-based work.

Education

Bulacan State University

2023 - Present

B.S. in Information Technology

Major in Web and Mobile Application Development

Asian Institute of Science and Technology

2021 - 2023

Information and Communications Technology

Contact

+63-991-645-5582

johnkahlil.espiritu.quiambao@gmail.com

Baliwag, Bulacan, Philippines

Approach

I Focus On Building
Things That Are
Actually Useful

I don't just want to make websites that look good.
I aim to understand the problem first, then build a solution around it — whether that's helping customers book appointments, giving staff a centralized dashboard, or helping a business establish its first professional website.

Experience

Professional Experience

Freelance Full Stack Developer

Zentra Pro

Part-timeJul 2026 — Present

Working as a Freelance Full Stack Web / Software Developer at Zentra Pro on a project-based basis, covering the full Software Development Life Cycle (SDLC).

Remote

  • SDLC
  • Flutter

Web Developer

Freelance | Self-Employed

FreelanceSep 2025 — Present

Helping startups and organizations build a professional digital presence through custom web design and development. I bridge the gap between technical complexity and user-centric design.

Philippines · Remote

  • JavaScript
  • CSS
  • HTML
  • PHP
  • React
  • Next.js

Intern

Salesforce

InternshipAug 2025 — Nov 2025

Gained hands-on exposure to infrastructure technologies and IT infrastructure while supporting the Salesforce ecosystem in a fully remote internship.

Philippines · Remote

  • Infrastructure Technologies
  • IT Infrastructure
Skills

Technical Expertise

Frontend Development

Builds modern, fast, responsive web interfaces using HTML, CSS, JavaScript, React, Next.js, and Tailwind CSS.

  • HTML5
  • CSS3
  • JavaScript
  • React
  • Next.js
  • Tailwind CSS

Backend Development

Builds robust server-side logic and REST APIs using PHP, Node.js, and Express, tested and integrated with Postman.

  • PHP
  • Node.js
  • Express
  • Postman

Database Management

Manages secure, scalable data storage with MySQL, PostgreSQL, and Supabase for organized, real-time record-keeping.

  • MySQL
  • PostgreSQL
  • Supabase

Full-Stack Solutions

Delivers end-to-end solutions using React, Next.js, and PHP backed by MySQL, Supabase, and Firebase — from frontend to data.

  • React
  • Next.js
  • PHP
  • MySQL
  • Supabase
  • Firebase
Works

Selected Works

Projects I've Built

A selection of personal, freelance, and academic projects demonstrating my experience building real-world web applications.

Cozy Nails Booking System

  • PHPphp
  • MySQLmysql
  • JavaScriptjavascript
  • jQueryjquery
  • ajax
  • Cloudinarycloudinary

A web-based appointment booking system developed for a local nail salon.

Customers can book appointments online, while administrators can manage bookings and business operations through the system.

Key features:

  • Online appointment booking
  • Admin management dashboard
  • Appointment status management
  • Payment proof uploads
  • Database-driven scheduling
  • Responsive interface
Year: 2025 – Present

Zentra Pro Website

  • Next.jsnextjs
  • Reactreact
  • Tailwind CSStailwindcss
  • Cloudflarecloudflare

A modern business website developed as part of my freelance work with Zentra Pro.

The project involved building a responsive frontend and deploying the website using modern web technologies.

Key features:

  • Responsive design
  • Modern component-based architecture
  • SEO-oriented structure
  • Fast static deployment
  • Third-party service integration
Year: 2026Visit Live Site

E-BigayPH

  • Reactreact
  • Supabasesupabase
  • PostgreSQLpostgresql

A multi-tenant web-based food donation and distribution management system designed for organizations such as NGOs, charities, and local government units.

The system focuses on helping organizations manage donations, inventory, distribution events, and administrative records in one centralized platform.

Key features:

  • Multi-tenant architecture
  • Donation management
  • Inventory management
  • Distribution events
  • Role-based access
  • Audit logging
  • Reporting and analytics
Status: Capstone / In Development
Testimonials

What Clients Say

Kahlil delivered our booking system ahead of schedule and it has genuinely transformed how we take appointments. Clients now book 24/7 without us lifting a finger.
Nail Salon OwnerFounder at Cozy Nails Baliwag
The admin dashboard he built gave us clarity we never had. Report automations, donations history, and inventory tracking — all in one clean platform.
PSWDO HeadHead of Agency at PSWDO Bulacan
From idea to launch, he handled everything. Our digital storefront looks professional and online orders have grown every month since.
Startup FounderFounder at Zentra Pro
Certifications

Credentials & Certifications

ISO/IEC 20000 IT Service Management Associate™

SkillFront · Aug 2026

Credential ID: 41379302406956

  • IT Service Management
Show credential

Salesforce Supported Virtual Internship Program 2025 - Philippines

Salesforce · Apr 2026

Credential ID: SWSFVIPAD2026-0974

  • Infrastructure Technologies
  • IT Infrastructure
Show credential
Contact

Let's Grow
Your Online
Presence Together.

johnkahlil.espiritu.quiambao@gmail.com ->
  • +63-991-645-5582
  • Baliwag, Bulacan, Philippines