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We are looking for a Senior C++ Developer to join our PBX Audio team. We develop UCaaS platform RingCentral that is used by over 1 million businesses. It helps them all around the world to stay in touch with their customers and employees. We make everything work smoothly.

Our team is involved in the development of the RingCentral Could PBX service which let organize millions of the audio VoIP calls for participants in different world regions.

Team is working on the Host Media Processing service: core media backend service for Telephony. Service is responsible for forwarding media between call participants, audio mixing, audio  quality, network congestion control, DSP functions.

We are looking for an experienced software engineer with possible background in audio/video processing and networking backend services.

You are going to:

• Design and develop media backend service;

• Work on the performance optimization and troubleshoot the problems;

• Participate in the code review;

• Write the unit and integration tests.

Our expectations:

• Experience in C++11/17 programming under linux, including multi-threaded at least from 5 years;

• Experience with network programming;

• Skills for solving algorithmic problems;

• Willingness to write some code with JavaScript/TypeScript under Node.JS;

• Ability to read code in other C-like languages.

Will be an advantage:

• Experience in VoIP;

• Experience in WebRTC (SIP, SDP, RTP, RTCP);

• Experience in design of high load systems;

• Experience in JavaScript/TypeScript under Node.JS;

What we offer: 

• Well-coordinated professional team.
• Cutting edge technologies, interesting and challenging tasks, dynamic project, great opportunities for self-realization, professional and career growth.
• Additional Health and Life Insurance Package.
• Employee Assistance Program.
• 25 vacation days.
• ReBenefit Platform Account with 400BGN value monthly.

​RingCentral’s Engineering team works on high-complexity projects that set the standard for performance and reliability at massive scale. What kind of scale? Millions of users today and hundreds of millions tomorrow. This is your chance to help imagine, develop and deliver products that raise the technological bar, and power human connections. If you’re a talented, ambitious, creative thinker, RingCentral is the perfect environment to join a world class team and bring your ideas to life. 

RingCentral’s work culture is the backbone of our success. And don’t just take our word for it: we are recognized as a Best Place to Work by Glassdoor, the Top Work Culture by Comparably and hold local BPTW awards in every major location. Bottom line: We are committed to hiring and retaining great people because we know you power our success. RingCentral offers on-site, remote and hybrid work options optimized for the ways we work and live now.

About RingCentral

RingCentral, Inc. (NYSE: RNG) is a leading provider of business cloud communications and contact center solutions based on its powerful Message Video Phone™  (MVP™) global platform. More flexible and cost effective than legacy on-premises PBX and video conferencing systems that it replaces, RingCentral® empowers modern mobile and distributed workforces to communicate, collaborate, and connect via any mode, any device, and any location. RingCentral is headquartered in Belmont, California, and has offices around the world.

RingCentral is an equal opportunity employer that truly values diversity. We do not discriminate on the basis of race, religion, color, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status.