Javier Velázquez
Android Developer at Android Developers
Seville, Andalusia, Spain
Summary
🤩
Rockstar🎓
Top SchoolJavier Velázquez is a seasoned Android developer with over 12 years of experience building apps and libraries in Kotlin and Java, and a proven track record of publishing more than five apps on Google Play. He combines solid architecture knowledge (MVP/MVVM, Navigation Component, Room/Realm) with CI experience (Jenkins, Travis) and a strong focus on polished UI/UX, evidenced by maintained open-source projects like MaterialStyledDialogs, BottomDialogs and AppUpdater. Javier has led Android teams and projects—most recently at Napptilus Tech Labs—and has experience scaling development processes from freelance work to head-of-development roles. An active GitHub maintainer, he also tackles app security and distribution challenges (see PiracyChecker and AppUpdater), and brings an unusual blend of public speaking experience (TEDxSevilla, multiple WordCamps) that helps him communicate complex technical ideas clearly. Based in Seville, he pairs hands-on coding with mentoring and project ownership, often surfacing practical, user-focused improvements in both apps and libraries.
12 years of coding experience
7 years of employment as a software developer
University of SevilleBachillerato (Tecnológico), Bachillerato (Tecnológico) at Salesianos de San Pedro
Spanish, English
Stackoverflow
786reputation
59kreached
6answers
2questions
Github Skills (27)
ios10
ui-design10
dialog10
java10
security10
android-library10
android-developer10
javas10
material-design10
android-native-library10
android10
android-developers10
mobile10
updater10
gradlew10
Programming languages (9)
Github contributions (5)
javiersantos/MLManager
May 2015 - Jan 2020
A modern, easy and customizable app manager for Android with Material Design
Role in this project:
Mobile Developer (Android)
Mobile Developer (Android)Contributions:12 releases, 312 commits, 13 PRs in 4 years 9 months
Contributions summary:Javier was primarily focused on developing and maintaining the Android mobile application. The commits show the initial setup of the app, including the creation of the main activity, app activity, and settings activity. They implemented UI components such as card views and toolbars, along with adding features like a settings page. The user also implemented features to interact with other apps and the Android system.
androidmaterial-designcustomizableapk
javiersantos/AppUpdater
Feb 2016 - Jan 2020
A library that checks for your apps' updates on Google Play, GitHub, Amazon, F-Droid or your own server. API 9+ required.
Role in this project:Mobile Developer (Android)
Mobile Developer (Android)Contributions:30 releases, 245 commits, 45 PRs in 4 years
Contributions summary:Javier's commits primarily focus on developing and maintaining an Android library for app updates. The user implemented core functionalities such as checking for updates from various sources like Google Play, GitHub, and XML, and displaying update notifications and dialogs. Key contributions include adding support for new update sources (F-Droid, JSON) and improving the UI/UX of the update process, specifically regarding dialogs and snackbars.
fdroidgoogle-playsnackbardialogchangelog
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