www.joshdeguzman.com VISIT BLOG


About me

Joshua de Guzman is a software engineer with a passion for learning and teaching. Mobile, Cloud, and AI enthusiast.

Someone who reads the news and listens to podcasts. Watch Shark Tankā„¢ on cheat days.
Twisting puzzles while brain squeezing over algorithms. Reach me at hi@joshdeguzman.com

Some software libraries, tools, SDKs I have developed, maintained, or worked on

  • Freelancer.com Flutter SDK
    Flutter Plugin | 2019

    Freelancer.com Flutter SDK


    Unofficial Freelancer.com Developer API's SDK for Flutter apps.

  • Freelancer.com Android SDK
    Android Library | 2019

    Freelancer.com Android SDK


    Official Freelancer.com Developer API's SDK for Android apps.

  • RxBus
    Android Library | 2018



    A simplified event-driven library on top of Kotlin and Rx

  • ButtonsKt
    Android Library | 2018


    GitHub Documentation

    Eliminates the repetitive fabrication of boilterplate XML drawable resources

  • Colorify
    ReactJS Tool | 2018


    GitHub Live Demo

    A minimalist color conversion tool

  • Xtrength
    Android Library | 2018



    A real time password strength meter for Android

  • TypedKt
    Android Library | 2018



    Animated TextView effects for Android

  • Xcraper
    Python / pandas pydata | 2018



    Python based stocks exchange data scraper

  • Carouxel
    ReactJS Library | 2018


    GitHub Live Demo

    A minimalist and API ready carousel library built on top of react-slick

Some technologies I have worked with

  • Languages


    Kotlin Java Python Javascript Dart C# Swift PHP
  • Platforms / Frameworks

    Platforms / Frameworks

    Android Flutter iOS Django Django Rest Framework NodeJS ExpressJS ReactNative Laravel
  • Databases


    MySQL PostgreSQL ClearDB Dao Realm MongoDB
  • Cloud


    Heroku Google Cloud Platform AWS Azure Firebase
  • Tools


    Docker TravisCI Jenkins Git Appium Fabric Virtualenv

Some events, talks, hackathons [View Events]

  • Flutter Animations in Flutter
    Speaker | SEP 2019

    Flutter Animations in Flutter

    Flutter PH Study Jam


  • Firebase + Flutter
    Speaker | SEP 2019

    Firebase + Flutter

    Programmers, Developers


  • Freelancer Bugathon 2019
    Best Tooling Improvement | SEP 2019

    Freelancer Bugathon 2019


    Improved Freelancer Android app build time by up to 30.98% during the Freelancer Bugathon 2019.

  • Introduction to Flutter
    Speaker | AUG 2019

    Introduction to Flutter

    Google I/O Extended Manila 2019

    Shared a talk and a codelab session regarding Flutter, plus some real-world examples during the Google I/O Extended Manila 2019.

  • Utilizing RESTful APIs using Retrofit
    Speaker | AUG 2019

    Utilizing RESTful APIs using Retrofit


    Conducted a workshop regarding the utilization of RESTful APIs in Android/Java using Retrofit2 and OkHttp.

  • TechXplore Hackathon 2019
    Equal Innovators Award | JUL 2019

    TechXplore Hackathon 2019


    Developed SnapKit, a platform that aims to provide an easily accessible, engaging and gamified shopping experience.

  • Hack 2 School 2019
    Finalist | JUL 2019

    Hack 2 School 2019


    Built the Freelancer IFTTT Server on top of IFTTT platform to channel Freelancer.com features with other services vendor.

  • Mobile Development w/ Flutter
    Speaker | APR 2019

    Mobile Development w/ Flutter

    PADC Meetup Slides

    Shared my knowledge with other professionals regarding the latest cross-platform application framework, Flutter by Google.

Some Work Experiences

  • Freelancer.com
    OCT 2018 - PRESENT | 500 - 1000 empl | PH Freelancer.com

    Mobile Engineer

  • Xurpas, Inc.
    JAN - OCT, 2018 | 500 - 1000 empl | PH Xurpas, Inc.

    Mobile Software Engineer

  • PixelHub
    2016 | 10 - 50 empl | PH PixelHub

    Software Developer Intern

Some Affiliations, Volunteering Experiences

  • Flutter PH
    2019 - PRESENT | PH Flutter PH

    Passionate Volunteer / Founder

  • Coding Girls
    2018 - PRESENT | BG / PH Coding Girls

    Volunteer / Community Lead

  • Xrojan
    2017 - PRESENT | PH Xrojan

    Project Lead / Open Source Contributor

  • VR Philippines
    2017 - 2018 | PH VR Philippines

    Virtual Reality (VR) Ambassador

  • Tech Caravan
    2017 | PH Tech Caravan

    Volunteer / Organizing Committee