Senior Software Engineer VoIP & Video Conferencing – Berlin or Remote within Germany

We are looking for an experienced Senior Software Engineer VoIP & Video Conferencing for an established product company in Berlin (can work fully remote while being based in Germany).

You will be working within a small team of Software & Audio/Video Signalling Engineers on exciting tasks such as reworking an outdated backend by building a brand-new cascading SFU architecture.

RESPONSIBILITIES

Design, implement, and optimise secure audio-video signalling protocols for the messenger app and web application
Work with audio/video processing and WebRTC
Work on server components facilitating calls in a federated environment
Ensure end-to-end encryption and secure transmission of audio and video data
Collaborate on high-performance server and client code
Develop and maintain robust library code for native client integration written in C, Java, Objective-C, JavaScript/WASM
Be the go-to person for diagnosing and resolving calling issues and performance problems
Analyse calling logs to continuously improve the user experience
Build tooling to support the diagnosis, analysis and solution finding process

YOUR PROFILE

5+ years coding experience in a systems language (C, C++, Go, Rust)
Solid understanding of coding best practices, including code reviews, automated tooling, and documentation
Experience with WebRTC, SFU and media servers
Proficiency in audio/video processing
Knowledge of Python for tooling is a strong plus
Proficiency in JavaScript, Java/Kotlin and Swift for client-specific code
Strong understanding of cybersecurity principles and best practices
Good communication skills for discussing complex topics and comfortable working with remote teams

If you are passionate about WebRTC, SFU, and the surrounding ecosystem, please hit the apply button or email me at [email protected].

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