What You Can Expect
You will architect high-performance C++ backend systems powering Zoom's AI-driven Contact Center. Working with distributed telephony infrastructure and real-time voice services, you will optimize session management at global scale. Your work will directly impact millions of customer interactions with 99.99% reliability.
We deliver cloud telephony infrastructure for Zoom's omnichannel Contact Center platform. Our team collaborates across engineering, product, and operations to build high-concurrency voice services. We exist to power seamless, AI-enhanced customer experiences at enterprise scale.
Designing and optimizing distributed C++ backend modules that ensure 99.99% reliability and massive scalability for real-time voice traffic across global clusters
Developing and tuning open-source telephony engines (FreeSWITCH) for session management, media handling, and protocol compliance with cross-functional engineering teams
Building low-latency synchronization mechanisms using Redis and distributed technologies to manage real-time call states and maintain high-concurrency performance
Collaborating with logic and product teams to optimize the C++/Lua bridge, troubleshoot system bottlenecks, and deliver business features with minimal overhead
Demonstrate 5+ years of professional C/C++ development experience or equivalent practical experience in systems programming
Demonstrate expertise in Linux systems programming including IPC, socket programming, I/O multiplexing (epoll), and asynchronous I/O
Apply deep expertise in VoIP/real-time communication systems with protocols including SIP, RTP/RTCP, WebRTC, and voice codecs
Use Redis for distributed locking, caching, and state management in high-concurrency production environments
Communicate fluently in Mandarin to collaborate with distributed engineering teams across regions
Contribute hands-on experience with FreeSWITCH, Asterisk, or similar telephony engines
Apply familiarity with Lua scripting or embedded logic engines for telephony applications
Demonstrate experience with audio quality control strategies or AI/ML integration for voice services (ASR/TTS/NLP)
Salary Range or On Target Earnings:
Minimum:
$124 000,00
Maximum:
$271 200,00
In addition to the base salary and/or OTE listed Zoom has a Total Direct Compensation philosophy that takes into consideration; base salary, bonus and equity value.
Note: Starting pay will be based on a number of factors and commensurate with qualifications & experience.
We also have a location based compensation structure; there may be a different range for candidates in this and other locations
At Zoom, we offer a window of at least 5 days for you to apply because we believe in giving you every opportunity. Below is the potential closing date, just in case you want to mark it on your calendar. We look forward to receiving your application!
Anticipated Position Close Date:
04/17/26
Ways of Working
Our structured hybrid approach is centered around our offices and remote work environments. The work style of each role, Hybrid, Remote, or In-Person is indicated in the job description/posting.
Benefits
As part of our award-winning workplace culture and commitment to delivering happiness, our benefits program offers a variety of perks, benefits, and options to help employees maintain their physical, mental, emotional, and financial health; support work-life balance; and contribute to their community in meaningful ways. Click Learnfor more information.
About Us
Zoomies help people stay connected so they can get more done together. We set out to build the best collaboration platform for the enterprise, and today help people communicate better with products like Zoom Contact Center, Zoom Phone, Zoom Events, Zoom Apps, Zoom Rooms, and Zoom Webinars.
We’re problem-solvers, working at a fast pace to design solutions with our customers and users in mind. Find room to grow with opportunities to stretch your skills and advance your career in a collaborative, growth-focused environment.
Our Commitment
At Zoom, we believe great work happens when people feel supported and empowered. We’re committed to fair hiring practices that ensure every candidate is evaluated based on skills, experience, and potential. If you require an accommodation during the hiring process, let us know—we’re here to support you at every step.
If you need assistance navigating the interview process due to a medical disability, please submit an Accommodations Request Form and someone from our team will reach out soon. This form is solely for applicants who require an accommodation due to a qualifying medical disability. Non-accommodation-related requests, such as application follow-ups or technical issues, will not be addressed.
Bring teams together, reimagine workspaces, engage new audiences, and delight your customers –– all on the Zoom AI-first work platform you know and love. 💙
Zoomies help people stay connected so they can get more done together. We set out on a mission to make video communications frictionless and secure by building the world’s best video product for the enterprise, but we didn’t stop there. With products like AI Companion, Team Chat, Contact Center, Phone, Events, Rooms, Webinar, Contact Center and more, we bring innovation to a wide variety of customers, from the conference room to the classroom, from doctor’s offices to financial institutions to government agencies, from global brands to small businesses.
We do what we do because of our core value of Care: care for our community, our customers, our company, our teammates, and ourselves. Our global employees help our customers meet happier, communicate better, and create meaningful connections the world over. Zoomies are problem-solvers and self-starters, working hard to get results and moving quickly to design solutions with our customers and users in mind. Here, you'll find room to grow with opportunities to stretch your skills and advance your career in a collaborative, growth-focused environment.
Learn more about careers at Zoom by visiting our careers site: https://careers.zoom.us/home
