Alex Bumbu
Indie IOS Developer at Freelance
Cluj-Napoca, Romania
Summary
🤩
Rockstar🎓
Top SchoolAlex Bumbu is an experienced iOS engineer and indie founder with over a decade building native apps across entertainment, secure communications, VoIP, and audio-focused projects. Currently solo-bootstrapping Gems, a SwiftUI/SwiftData bookmark organizer, he designs polished UIs and ship-ready UX while owning product, copy, and roadmap. His open-source contributions include significant iOS work on high-profile projects like Jitsi Meet and the React Native WebRTC module—adding screen sharing, camera capture resilience, and PiP/AV session improvements. Comfortable leading teams or working remotely, he blends low-level media systems knowledge with product-minded front-end craft. Off the clock he’s into electronic music, culinary experiments, and speculative fiction, which often inspires subtle UX and interaction ideas.
11 years of coding experience
16 years of employment as a software developer
Bachelor's degree in Automation, Systems and Computer Engineering, Bachelor's degree in Automation, Systems and Computer Engineering at Universitatea „Petru Maior” din Târgu-Mureș
Romanian, English
Stackoverflow
321reputation
13kreached
11answers
1question
Github Skills (16)
jitsi10
objective-c10
swift10
ios10
react-native10
webrtc10
screensharing10
avfoundation10
video-conferencing9
video-capture9
xcode6
address-book6
urlrequest6
uitableview6
iphone6
Programming languages (5)
Github contributions (5)
react-native-webrtc/react-native-webrtc
Mar 2021 - May 2022
The WebRTC module for React Native
Role in this project:
Mobile Developer (iOS)
Mobile Developer (iOS)Contributions:24 reviews, 6 commits, 6 PRs in 1 year 2 months
Contributions summary:Alex primarily worked on the iOS implementation of the React Native WebRTC module. Their contributions focused on adding screen sharing support, handling AV system pressure updates for video capture, and fixing related issues. They modified core components like `ScreenCapturer` and `VideoCaptureController`, and made related adjustments to `SocketConnection` and header files. This involved low-level interactions with the iOS camera capture and video processing frameworks.
react-nativereactwebrtc
jitsi/jitsi-meet
Mar 2021 - Nov 2022
Jitsi Meet - Secure, Simple and Scalable Video Conferences that you use as a standalone app or embed in your web application.
Role in this project:Mobile Developer (iOS)
Mobile Developer (iOS)Contributions:46 reviews, 31 commits, 20 PRs in 1 year 8 months
Contributions summary:Alex focused on implementing and fixing screen-sharing functionality within the Jitsi Meet iOS application. They added initial support for screen sharing, addressed issues related to leaving a meeting while screen-sharing, and implemented a Swift-based screen-sharing extension. Further work included updating Dropbox authentication, exposing audio session functionality, and improving the Picture-in-Picture (PiP) view behavior. Additionally, the user corrected header file inclusions and updated the view hierarchy for iOS 16 layout compatibility.
securescalable-video-conferencesscalablejitsiweb-application
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