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SDK Engineer



Other Engineering
San Jose, CA, USA
Posted on Saturday, June 29, 2024

About the Team:

With eight specialized departments, the engineering team functions as a highly collaborative, diverse powerhouse. Each department mission is to deliver seamless and innovative communication solutions. These range from software development and machine learning to quality assurance teams that work to create and maintain Zoom's user-friendly interfaces and robust infrastructure. The team continues to push the boundaries of communication technology, bringing people together regardless of their physical distance.


  • Design the overall architecture for Zoom Phone tasks and communicate interfaces with server and client teams, including detailed control flow at SIP level, specific command requests and responses between client, server, and UI layers.

  • Implement new features and unit test cases according to new feature implementation.

  • Drive tasks across teams and ensure roll out features follow the release plan.

  • Conduct integration testing with server and client teams.

  • Use Windows Performance Analyzer (WPA) or relevant tools to prevent memory leaks in SDK code. Use Checkmarx to scan and fix SDK code issues.

  • Use User-Mode Dump Heap (UMDH) to capture and analyze heap memory allocations for processes.

  • Perform sanity testing to prevent crash and regression issues. Perform SDK API auto testing based on internal tools.

  • Maintain auto testing tools and improve tools to support automatic testing scenarios.

  • Review customer tickets and work with support teams to analyze control flow, SIP flow and determine root causes.

  • Examine client problem reports on demand, analyze call details and perform root cause analysis.

  • Review bugs and perform integration testing at the development branch and release branch to ensure the fix has no negative impact.

  • Work closely with the product management team to define requirements, create user stories and collect use cases on new features.

  • Collaborate with other engineering teams to confirm final design scope and assign task owners.

  • Support client teams with fire drill testing before rolling out new releases and check the production crash reports after new release roll-outs.

  • Work on enhancements for automatic client report analysis tools. Track critical and important issues found in client problem reports.

What we're looking for:

  • Requires a Bachelor's degree in Computer Science, a related field, or a foreign equivalent. Must have 5 year of experience in job offered or related occupation.

  • Must have 5 years of experience in: C/C++ programing; Object oriented programming; Network communication; Multi‐task programming and debugging; Network protocols such as TCP/UDP/TLS/RTP/SRTP/RTCP; VoIP technologies and audio quality control; SIP stacks (PjSIP, reSIProcate, FreeSWITCH); and IDE Tool (eg. Visual Studio).

  • Telecommuting work permitted: position may work throughout various unanticipated locations throughout the US.

Company Name: Zoom Video Communications, Inc.


Salary Range or On Target Earnings:





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.

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. Here, you’ll work across teams to deliver impactful projects that are changing the way people communicate and enjoy opportunities to advance your career in a diverse, inclusive environment.

Our Commitment​
We believe that the unique contributions of all Zoomies is the driver of our success. To make sure that our products and culture continue to incorporate everyone's perspectives and experience we never discriminate on the basis of race, religion, national origin, gender identity or expression, sexual orientation, age, or marital, veteran, or disability status. Zoom is proud to be an equal opportunity workplace and is an affirmative action employer. All your information will be kept confidential according to EEO guidelines.

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 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.

Good news – this job posting is more like a marathon, not a sprint, so it could be available for a while! We're on the lookout for awesome folks to join Zoom in various similar roles. No need to rush, just hit us up whenever you're ready to apply. We're always keeping an eye out for amazing talent!