SDK Engineer

About this role

Immigration sponsorship is not available for this position What you can expect SDK Engineer will be responsible for cross-platform development, designing new features & and supporting the client & server teams to ensure Zoom Phone SDK is reliable and stable. They will provide continuous enhancements, and work with both internal & external customers on any issues they may have.

Responsibilities:   

• Design the overall architecture for Zoom Phone tasks and communicate interfaces with server and client teams. This includes 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 make sure roll out features follow the release plan. • Conduct integration testing with server and client teams. • Use Windows Performance Analyzer (WPA) or relevant tool, 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 a process. • Perform sanity testing to prevent crash and regression issues. Perform SDK API auto testing based on an internal tool. • Maintain auto testing tools and improve those tools to support more automatic testing scenarios. • Review customer tickets and work with support team, analyze control flow, SIP flow and determine root cause. • Examine client problem report on demand, analyze call details, and perform root cause analysis. • Review bugs with the reporter to understand bugs and reproduced steps, then perform root; cause analysis and determine a solution. • 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 team with fire drill testing before rolling out new releases and check the production crash reports after new release roll-out. • Work on enhancements for our automatic client report analysis tool. • Track critical and important issues found in client problem reports.

What we're looking for:

Requires a Bachelor's degree in Computer Science, Information Security, a related field, or a foreign degree equivalent. Requires 4 years of experience in the job offered or a related occupation. Requires 4 years of experience with the following skillsets:

• Requires 4 years experience in utilizing C/C++ and object-oriented programming in task design, fixing bugs, and implementing development work; • Requires 4 years experience in utilizing Wireshark to analyze VOIP traffic calls in network programming; • Requires 4 years experience in utilizing IDE tools including Microsoft Studio for debugging code; • Requires 4 years experience in utilizing Valgrind to perform memory checks; • Requires 4 years experience in utilizing Flame Graph to check CPU cost information and code enhancements; • Requires 4 years experience in utilizing network protocols including TCP, UDP, TLS, RTP, SRTP, and RCTP in real-time traffic transmission and audio quality enhancements; • Requires 4 years experience in utilizing VoIP technologies including RFC2833, RFC3550 and RFC 5760 in real time communication to control system traffic, control audio quality, and develop solutions to ensure quality user experience; • Requires 4 years experience in utilizing open-source projects including SIP stacks (PJSIP, reSIProcate, FreeSWITCH) to support fundamental layer covering low-level SIP protocol parsing; • Requires 4 years experience in utilizing integrated development environments (IDEs) including Visual Studio in software development. • Telecommuting work arrangement permitted. Position may work in various unanticipated locations throughout the U.S. Position does not require U.S. or domestic travel.

Zoom Communications, Inc. #LI-DNI #Ind0

Salary Range or On Target Earnings:

Minimum: $221,374.00 Maximum: $228,700.00 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.

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.

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