Backend Developer for the Communication Platform Team

Backend Developer for the Communication Platform Team

Almost every Yandex service involves phone calls, and nearly all of them are handled by our communication platform. Every day, millions of calls pass through it. This includes calls within Yandex Go services and inside Yandex Smart Home.

Our task is to enable other Yandex services to implement any call handling scenario without worrying about the number of participants and their geographical distribution, and without concerns about potential infrastructure issues and other technical complexities.

What tasks await you

Processing audio and video streams In real time: mixing, transcoding, etc.

Development You will be developing tools for debugging and diagnosing media in VoIP calls, as well as building a universal platform for call processing.

Integration with other media-related services Specifically: recording and playing media files via S3, speech synthesis and recognition via Yandex SpeechKit.

We expect you to

• Have excellent knowledge of Golang and/or C++ and be willing to master both programming languages
• Have a good understanding of working with at least one of the DBMS: PostgreSQL, Redis, ClickHouse
• Have experience designing fault-tolerant and distributed services
• Have practical programming experience in a POSIX environment
• Be ready for the unknown, able to investigate complex problems, work in a team

Will be a plus

• Have experience with VoIP technologies: SIP, RTP, WebRTC
• Familiar with the Infrastructure as Code concept
• Understand how to ensure system observability, familiar with OpenTelemetry
• Know what gRPC is and how to work with it
• Have worked with Temporal

See other vacancies for the Core Infrastructure division via link.