Senior software Engineer

Build and maintain core applications/tools for the next-generation Push To Talk Over Cellular platform. Work on a cross-platform Core Development Engine (CDE) that runs across Android, iOS, embedded devices, and Windows, using PJSIP-based architecture and application-level logic. Write clean, well-documented C/C++/Python/Node.js code, participate in code reviews, debug defects, and help automate gaps in existing workflows while staying current with emerging technologies.