iOS RTC Engineer

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Rakuten Viber is one of the most popular and downloaded apps in the world. Working with us provides a unique opportunity to influence hundreds of millions of our users and to be part of the journey that makes us a super-app. Our mission is to make people’s lives easier by enabling meaningful connections, from precious moments with family and friends, through managing business relationships to pursuing their passions.

We are a global team of engineers dedicated to creating the best tools to ensure safe, convenient communication for millions of users worldwide. Our culture is built on innovation, teamwork, and a commitment to excellence.

We invite the iOS developer to the RTC team. Our cross-platform team develops, analyzes and optimizes Viber calls.

Responsibilities:

We invite a competent and proactive specialist who knows Swift, Objective-C, C++ that is interested in how the code is executed at the low level. While working with us, he will be engaged in research and development of various aspects of Viber calls on iOS platform:

WebRTC library integration and fine-tuning
Signaling protocol development
Media capturing and processing optimization
CPU/traffic/battery consumption optimization
Calls statistics gathering and analysis.

We expect that our candidate knows how to work in a team, carefully thinks out technical solutions, knows how to plan his time, correctly prioritize and needs minimal control.

Requirements:

Deep knowledge of Swift and Objective-C: OOP, data structures, multithreading, interoperability
Experience with WebRTC, iOS CallKit and AVAudioSession
Understanding how a TCP/IP stack works
Intermediate+ level of English.

Advantages:

Proficiency in C/C++, Java, Kotlin, JS/TypeScript, Bash, Python.

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Post Date

2025-04-30

Job Type

Employment type

Full-time