Job Description

We're looking for a senior Java developer to help maintain and evolve the Android app. You’ll own Android features, native integrations, and shipping releases. Must have strong Java + Android SDK experience (app architecture, lifecycle, background services), practical WebRTC on Android experience, experience shipping rock-solid Play Store builds, some NDK/JNI experience, strong work ethic, and be comfortable working remote, asynchronous communication, and owning features end-to-end. Nice to have experience with XMPP and E2EE/encryption APIs, managing CI/CD for Android. Responsibilities include maintaining and extending the Android client, implementing/rescuing complex features (call reliability, background push, low-latency reconnects), optimizing performance (startup, memory, battery, call quality), and fixing device-specific issues.