What you can expect
You will develop and maintain C++ backend components powering Zoom's AI-driven Contact Center platform. Working within our distributed telephony infrastructure and real-time voice services, you will contribute to session management and media handling features. Your work will support millions of customer interactions and help maintain platform reliability.
About the Team
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.
You will join the Realtime Backend team, which focuses on building and maintaining the core real-time voice infrastructure. This includes low-latency C/C++ services, VoIP systems, and cloud-native telephony components. The team works with technologies such as Redis, FreeSWITCH/Asterisk, and Linux-based systems programming to deliver reliable, high-performance communication services.
Responsibilities
- Developing and maintaining C++ backend modules that support reliability and scalability for real-time voice traffic
- Investigating and resolving system issues including memory leaks, thread contention, and network latency under guidance from senior team members
- Collaborating with development and product teams to enhance the C++/Lua bridge while delivering essential business features
- Learning and applying telephony concepts (SIP, RTP, media handling) to contribute to voice service development
What we’re looking for
- Communicate fluently in Mandarin to collaborate with distributed engineering teams across regions
- Demonstrate 2+ years of professional C/C++ development experience or relevant industry experience in systems programming
- Demonstrate understanding of Linux systems programming including IPC, socket programming, I/O multiplexing (epoll), and asynchronous I/O
- Exposure to Redis for caching and state management in production environments
- Demonstrate readiness to learn Lua scripting or embedded rule-based engines for telephony applications.
- Interest in audio quality control strategies or AI/ML integration for voice services (ASR/TTS/NLP) is an advantage
Salary Range or On Target Earnings:
Minimum:
Maximum:
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:
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.
Information about Zoom’s benefits is on our careers page here .
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.
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 Learn
for 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.
We welcome people of different backgrounds, experiences, abilities and perspectives including qualified applicants with arrest and conviction records and any qualified applicants requiring reasonable accommodations in accordance with the law. If you need any assistance or accommodations due to a medical condition, or if you need assistance accessing our website or completing the application process, please let us know by emailing us at careers@zoom.us.
Our interviews are supported by BrightHire, a tool that helps us create a consistent and thoughtful interview experience and may include recordings. Please refer to our candidate privacy statement for more information of how we use your data.
