CareerPlan

iOS RTC Software Engineer

Warsaw, PolandFull-time2026-08-20 → 2026-11-04

Core

Develop, analyze, and optimize Viber calls on the iOS platform, focusing on low-level code execution and media processing.

Role type

Senior IC iOS RTC Software Engineer

Builds

Viber call features and media processing capabilities

Domain

Telecommunications / Real-time Communication (RTC)

Required skills

Swift, Objective-C, C++, WebRTC, iOS CallKit, AVAudioSession, TCP/IP stack understanding, multithreading, data structures

Preferred skills

C/C++, Java, Kotlin, JS/TypeScript, Bash, Python

Technologies

WebRTC, iOS, Swift, Objective-C, C++

Responsibilities

Integrate and fine-tune WebRTC library, develop signaling protocols, optimize media capturing and processing, optimize CPU/traffic/battery consumption, gather and analyze call statistics

Seniority

Senior, hands-on IC