Mobile App Senior Developer (f/m/d)

Kontron Transportation is a leading international provider of end-to-end communication solutio... 1 Mobile App Senior Developer (f/m/d) Your tasks * Degree in Telecommunications, Computer Science, Electrical Engineering or a related technical discipline. * Design, build, and maintain high-performance native Android applications using Kotlin and Jetpack Compose, tailored for ruggedized mobile hardware and specialized handheld devices. * Architect and implement low-latency real-time audio/video streaming and communication protocols, including SIP, RTP, WebRTC, and 3GPP MCX standards (MCPTT, MCVideo, MCData). * Optimize background and foreground services to guarantee continuous connectivity, instant call setup times. * Implement rigorous data security practices, including end-to-end encryption (E2EE), and compliance hardening for public safety standards. * Establish rigorous testing standards, including automated unit, integration, and stress tests tailored for network jitter, packet loss…