Angelo Javonitalla

MS Physics (Graduate Studies)

University of the Philippines, Diliman — 2007

BS Applied Physics (Instrumentation)

University of the Philippines, Diliman — 2007

Ocean - K-12 School Information System

A multi-tenant SaaS platform for K-12 schools built with React 19, TypeScript, Firebase, and Cloud Functions. Monorepo architecture with 6 modules covering authentication, admissions, finance, grading, and attendance. Implements multi-database Firestore architecture for tenant isolation and scalability. This is the biggest and primary project.

Technologies: React 19, TypeScript, Firebase, Cloud Functions, Firestore, TailwindCSS, Vite, pnpm monorepo

• Enterprise multi-tenant SaaS with database-level isolation
• 6 modules: Harbor, Dock, Lighthouse, Anchor, Cargo, Abyss
• Full test coverage with Jest and Playwright E2E
• CI/CD with GitHub Actions and Firebase deployments

Solar Calculator

A free solar energy calculator for the Philippines, built out of personal passion for renewable energy. Helps users estimate savings, system size, payback period, and ROI for grid-tied and hybrid solar setups using real Philippine irradiance data. Used personally to decide on solar upgrades and shared with friends who are also exploring solar.

Technologies: Next.js, React 19, TypeScript, TailwindCSS

• Supports 18 major Philippine cities with real irradiance data
• Grid-tied and hybrid system simulations
• EV charging cost estimation
• 25-year savings projection with panel degradation modeling

SchoolBreach.org - Cybersecurity Education Community

A community site created as part of the Ocean project. Its purpose is to inform, educate, and enable people to fight hacking. Provides cybersecurity awareness and education resources for the school community.

Technologies: Web

• Community-driven cybersecurity education platform
• Informs and educates people about hacking threats
• Part of the Ocean ecosystem

Diagnosys - Diagnostic Clinic SaaS

A SaaS platform designed for diagnostic clinics, currently under development. Built under Xhape Solutions, Inc. to streamline clinic operations and diagnostics management.

Technologies: SaaS, Web

• SaaS platform for diagnostic clinics
• Under Xhape Solutions, Inc.
• Currently in active development

IDMC Event Management Platform

A production-grade event management platform for large conferences serving 500-2000+ attendees. Handles complete event lifecycle from registration and payment processing to real-time check-in and analytics.

Technologies: React 19, TypeScript, Firebase, Cloud Functions, Google Cloud Vision API, SendGrid

• 41 admin pages, 59 components, 29 service modules
• OCR-powered payment verification (90% faster processing)
• High-throughput check-in system (10+ attendees/minute)
• 5-tier role-based access control with audit logging

Dynamic Forms Mobile Application

A mobile application with dynamic form and task dispatching. Tracks user location and activities. Works offline and syncs when network is available. Forms contain reference data with parent-child relation, calculation fields, and rules.

Technologies: Kotlin, Android, Clean Architecture, SQLite, Retrofit

• Thousands of downloads and licenses
• Full offline capability with sync
• Dynamic forms with complex field relationships

E-book Reader App

An e-book reader android app designed for elementary and high-school students.

Technologies: Android, Java, Kotlin

• Designed for educational use
• User-friendly interface for students
• Optimized reading experience

Event White-Label App

An event app white-labelled for individual events. Supported Techtonic PH with thousands of attendees.

Technologies: Android, Kotlin, Firebase

• Supported large-scale events
• White-label solution
• Thousands of concurrent users

E-commerce Mobile Platform

A reusable mobile platform white-labelled and integrated with existing e-commerce applications. Integrated with Magento and custom Laravel applications.

Technologies: Android, Kotlin, Magento, Laravel

• White-label e-commerce solution
• Multiple client integrations
• Successfully sold to clients

POS Application

A Point of Sale application offered using a subscription model to businesses.

Technologies: Android, Kotlin, SQLite

• Subscription-based business model
• Full-featured POS system
• Designed for retail businesses

Web-based Queuing Application

A queuing application for managing customer flow, written in NodeJS.

Technologies: NodeJS, Javascript, HTML, CSS

• Pitched idea to CEO
• Led full development cycle
• Improved customer service efficiency

Rebyu - Exam Reviewer App

A free exam preparation app for Civil Service Exam (CSE) and PNP entrance exam takers. Features interactive quizzes, leaderboards, group study modes, and comprehensive topic coverage.

Technologies: Kotlin, Android, Firebase, SQLite

• CSE topics: Verbal, Numerical, Analytical Ability, and more
• Leaderboard and group/1:1 review modes
• Free app developed in spare time

Philaw Library - Codals, in your pocket

A suite of eight free, offline-friendly Android apps that put the entire Philippine legal canon in the reader's pocket. Built for law students, lawyers, criminology students, and anyone curious about Philippine law, with every codal sourced from the Official Gazette.

Technologies: Kotlin, Android, EPUB, SQLite, Next.js

• 8 codal apps shipped: 1987 Constitution, Revised Penal Code, PH Republic Acts, Rules of Court, Civil Code, Labor Code, Family Code, Tax & Corp Code
• 150K+ downloads across the catalog with a 4.4-star average rating
• Revised Penal Code flagship reader at 130K installs and 4.7 stars
• Full-text search, audio mode, highlights, notes, bookmarks, and night/sepia themes - all working offline
• Free forever, distributed on Google Play and supported at philaw.org

Dead Tree Digital - Classic Books

A free e-reader app bringing public domain classics back to life. Features Rizal's works (Noli Me Tangere and more) in English and Tagalog with offline reading support.

Technologies: Kotlin, Android, EPUB, SQLite

• Rizal: Life and Works - 4.6 stars, 50K+ downloads
• Bilingual support (English and Tagalog)
• Free app developed in spare time

AIX - Legacy Application Migration Tool

A tool for legacy application migration targeting Healthcare companies migrating from ICD9 to ICD10. Scans legacy applications (i.e. Cobol) and maps the application to identify sections affected by migration.

Technologies: Java 1.6, Glassfish, Maven, Spring 3.0, Hibernate 3.0, TestNG

• Designed entire application architecture
• Led team of 3 developers
• First product development initiative at Pointwest
• Applicable to multiple industries beyond healthcare

OneWeb - Hotel Brand Websites Platform

Unified platform maintaining all hotel brand websites for a major hospitality company. Handles booking, booking adjustment, and hotel information with integration to multiple services for rates, loyalty points, and content management.

Technologies: Java 1.6, BEA Platform 11, Oracle 10g, Struts 1.3, EJB 2.0, Hibernate 3.0

• Single platform for multiple hotel brands
• SEO optimization enhancements
• Integrated tracking tags for user analytics
• Production support and technical documentation

CBS & CMS - Booking and Content Management

Customer Booking Service (CBS) provides booking services to OneWeb and other booking applications. Content Management System (CMS) manages content for the hotel websites.

Technologies: Java 1.6, Weblogic 11, Oracle 10g, Struts 1.3, EJB 2.0, Hibernate 3.0

• Core booking service for multiple applications
• Centralized content management
• Integration with hotel brand websites

IShop & TravelNet - Airline Systems

IShop is a service request application automating service requests and approvals. TravelNet is a flight booking application for employees.

Technologies: Java 1.6, WSAD 7, RAD 7.5, JBoss, Oracle 10g, DB2, Struts 1.3

• Technical mentor for junior developers
• Code review and mentoring
• Automated service request workflows

CDC - Corporate Website Migration

Migrated corporate website from PHP to Java and integrated with existing content management system. Served as onsite coordinator in Minnesota, USA.

Technologies: Java 1.6, Weblogic 11, Oracle 10g, Spring 3, Hibernate 3.0

• Onsite deployment to client headquarters (Minnesota, USA)
• Requirements gathering from client
• Offshore team coordination
• Full-stack development

CDI Hub - Customer Data Integration

System consolidating customer profiles across different data stores to eliminate record duplication. Used for analytics, reporting, CRM, and customer service delivery.

Technologies: BEA Weblogic Platform 8.1, Oracle 10g, Java 1.4, Struts, EJB 2.0, Hibernate 3.0, IBM-DWL Customer

• Customer profile consolidation across data stores
• Analytics and reporting capabilities
• PL/SQL script development
• Production support

BNW - Bank Withdrawal Simulator

Withdrawal simulator for a bank consortium company used for testing. Transactions are encrypted for security.

Technologies: Java 1.4, WSAD 6, Eclipse, Oracle 10g, Spring 2.5, Hibernate 3.0

• Designed application architecture
• Encrypted transaction security
• Freelance project

Lead Mobile Application Developer at Cormant Technologies Inc

March 2013 - Present

Pioneered and led the android development of the company. Guided a team of 4-7 mixed junior, mid-level and senior developers.

• Introduced clean architecture pattern and led migration from Java to Kotlin
• Developed mobile application with dynamic forms and offline sync - thousands of downloads
• Awarded Employee of the Quarter and Employee of the Year
• Maintained 5 legacy web applications for a global logistics company
• Coordinated with business analysts and CEO on project requirements

Founder and Architect at Xhape Solutions, Inc.

July 2016 - Present

Founded company developing white-label mobile solutions for events and e-commerce.

• Designed and created event app supporting Techtonic PH with thousands of attendees
• Developed reusable e-commerce mobile platform integrated with Magento
• Built POS application with subscription model
• Grew company to 4 part-time employees

Mobile Application Development Consultant at BigBenta Corporation

July 2019 - Present

Provided mobile development guidance and code review for the company.

• Guided junior developer in finishing e-Commerce app with Pay Maya integration
• Mentored developers on hybrid apps for AirBnb-style and classified listing apps
• In charge of code review and tech proposals

Senior Web Developer / Team Lead at Pointwest Technologies Corporation

January 2008 - February 2013

Developed web applications for fortune 500 companies in hospitality, healthcare, airline, and banking industries. Led product development initiatives and mentored junior developers.

• Led first product development (AIX) - legacy application migration tool for healthcare ICD9 to ICD10 migration
• Deployed onsite to client headquarters in Minnesota, USA for 6 months for corporate website migration
• Developed and maintained OneWeb - unified hotel booking platform for major hospitality company
• Built Customer Data Integration Hub consolidating profiles across data stores
• Technical mentor for IShop and TravelNet airline systems
• Guided team of 5 junior developers with mentoring and code review
• Taught 4 Java bootcamps and named Most Effective Instructor
• Worked with technologies: Java, Spring, Struts, EJB 2.0, Hibernate, Oracle, Weblogic, BEA Platform

Freelance Programmer at Self-Employed

January 2012 - March 2012

Developed custom software solutions for clients in the banking industry.

• Designed and built BNW withdrawal simulator for bank consortium
• Implemented encrypted transactions for security
• Full application architecture design