Ivan Qsoft
Lead Mobile Developer at QSD BiH
Sarajevo, Federation of Bosnia and Herzegovina
Summary
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RockstarIvan Qsoft is a Lead Mobile Developer based in Sarajevo with nine years of hands-on experience building full-stack mobile solutions and leading teams at QSD BiH. He combines deep mobile engineering chops with backend sensibilities—demonstrated by meaningful contributions to the popular PubNub Java SDK where he improved concurrency handling, telemetry, dependency updates, and added a heartbeat feature. A self-described "mobile geek," he moves fluidly between Android and server-side concerns, focusing on robustness, tooling, and maintainability. Known for pragmatic bug fixes and CI/code-quality improvements, he brings a practical engineering mindset that reduces production risk while accelerating delivery.
9 years of coding experience
Github Skills (9)
javas10
gson10
java10
apidoc9
api9
debug8
debugging8
testing8
javadoc8
Programming languages (10)
Github contributions (5)
pubnub/java
Nov 2017 - Apr 2020
PubNub Java-based APIs for core Java, Android
Role in this project:
Back-end Developer
Back-end DeveloperContributions:16 releases, 84 commits, 175 PRs in 2 years 5 months
Contributions summary:Ivan primarily focused on enhancing the PubNub Java SDK. Their contributions include synchronizing listener managers to prevent concurrent modification exceptions, upgrading the Gson library, and bumping the version to 4.15.0 and 4.17.0. Additionally, the user fixed bugs related to telemetry and YAML files, and also updated the Javadoc. They also added a heartbeat feature with no subscription and addressed Codacy and Travis complaints.
java-androidpubnubclient-libraryandroidjava-core
pubnub/chat-examples-java
Apr 2019 - May 2019
Sample code and apps for PubNub’s Chat Resource Center
Contributions:47 commits, 3 PRs, 17 pushes in 1 month
centerpubnubchat-resource-centerchatmhealth
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