Joshua de Guzman / Portfolio

About me

I am Joshua, a software engineer with a passion for learning and teaching, based in the Philippines. A Google Developer Expert for Flutter and Dart and a Software Engineer for Betterbank, a fintech startup based in Brooklyn, New York.

I worked as a Software Engineer at Freelancer.com (ASX:FLN), the world's largest freelancing and crowdsourcing marketplace by the number of users and projects. Held several key responsiblities - Android Engineer, Flutter to Android R & D, Mobile Release Manager. Took ownership of the projects I worked on for several product groups and helped bring a better mobile experience to over 1 million users.

Life outside work, I enjoy exploring and contributing to open-source projects, asking and answering questions on StackOverflow, giving talks, and writing articles.

In 2019, I founded Flutter Philippines. Together with my team, we are continuously learning how to bring awesome experiences to share Flutter and Dart.

You may know me as @joshuamdeguzman on Twitter, @joshuadeguzman on Github, LinkedIn, and Keybase.

Some projects I have worked on

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

Flutter Plugin | 2019
Flutter Dialogs
GitHub Pub
A lightweight and platform-aware plugin for showing dialogs and alerts for both Android and iOS devices.
Flutter Plugin | 2019
Media File Saver
GitHub Pub
A plugin for saving images and other media files in the device's pictures directory (Android) or photo library (iOS).
Flutter Plugin | 2019
Freelancer.com Flutter SDK
GitHub
Unofficial Freelancer.com Developer API's SDK for Flutter apps.
Android Library | 2019
Freelancer.com Android SDK
GitHub
Official Freelancer.com Developer API's SDK for Android apps.
Android Library | 2018
RxBus
GitHub
A simplified event-driven library on top of Kotlin and Rx
Android Library | 2018
ButtonsKt
GitHub Documentation
Eliminates the repetitive fabrication of boilterplate XML drawable resources
ReactJS Tool | 2018
Colorify
GitHub Live Demo
A minimalist color conversion tool
Android Library | 2018
Xtrength
GitHub
A real time password strength meter for Android
Android Library | 2018
TypedKt
GitHub
Animated TextView effects for Android
Python / pandas pydata | 2018
Xcraper
GitHub
Python based stocks exchange data scraper
ReactJS Library | 2018
Carouxel
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
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]

Speaker | DEC 2019
Flutter Interact Meetup
Meetup
Gave an introductory talk about Flutter, and how to create custom widgets.
Speaker | NOV 2019
DevFest 2019
Website
Discussed how existing native mobile projects can utilize Flutter using the Add-to-App feature.
Prelims Judge | OCT 2019
Android Masters 2019
Facebook Website
Was invited to judge at the national intercollegiate competition (Game Category), Android Masters 2019, by GDG Philippines.
Speaker | OCT 2019
Flutter Intro, Basic CRUD
Meetup
Introduced how Flutter can help students to speed up their work, and conducted a hands-on session using the Flutter codelabs.
Speaker | OCT 2019
Material Design, Codelabs
Meetup
Shared my thoughts on the Material Design implementation in Flutter, and discussed the MDC 101-103 Flutter codelabs.
Speaker | SEP 2019
Flutter Animations in Flutter
Meetup Blog
Talked about the implicitly animated widgets in Flutter, and how they can create their own animated widgets rapidly.
Speaker | SEP 2019
Firebase + Flutter
Eventbrite
Discussed a simple way of utilizing Firebase Firestore to support real-time Flutter mobile applications.
Best Tooling Improvement | SEP 2019
Freelancer Bugathon 2019
Freelancer.com Article
Improved Freelancer Android app build time by up to 30.98% during the Freelancer Bugathon 2019.