About ByteDance Founded in 2012, ByteDance's mission is to inspire creativity and enrich life. With a suite of more than a dozen products, including TikTok, as well as platforms specific to the China market, including Toutiao, Douyin, and Xigua, ByteDance has made it easier and more fun for people to connect with, consume, and create content. Why Join Us Creation is the core of ByteDance's purpose. Our products are built to help imaginations thrive. This is doubly true of the teams that make our innovations possible. Together, we inspire creativity and enrich life - a mission we aim towards achieving every day. To us, every challenge, no matter how ambiguous, is an opportunity; to learn, to innovate, and to grow as one team. Status quo? Never. Courage? Always. At ByteDance, we create together and grow together. That's how we drive impact - for ourselves, our company, and the users we serve. Join us. About the Team Our team plays a crucial role in ensuring the company's success. We seek people who are willing to learn and put in the effort to solve problems. Our challenges are not your regular day-to-day problems - you'll be part of a team that's developing new solutions to new challenges. It's working fast, at scale, and we're making a difference. We are looking for talents to join us on this exciting journey! Responsibilities Work on the entire system testing process, including analysis, design, executing test plans and cases, and conduct defect tracking to deliver innovative and high-quality core product features to the TikTok App. Develop, maintain, and execute software quality assurance test requirements, plans, scenarios, cases, and scripts starting at the design phase through the test phase for assigned ongoing sustainment and project work. Facilitate successful release of TikTok App features and enhancements from development to production through effective testing delivering continuous quality at speed. Develop automation, new features, and regression test cases, and build CI/CD related work and track, analyze, and conduct troubleshooting via online and offline channels. Participate in requirements and design reviews and product planning sessions to proactively validate appropriate applicability, usability, and testability. Review functional and technical specifications for accuracy, feasibility, testability, and clarity, and utilize and follow current test management standards and practices. Perform necessary manual validation across platforms and create thorough test modules. Work closely with developers, product, and program managers to test and validate new features. Validate changes and perform targeted regression test against releases and identify, document, and track bugs through resolution. Mentor junior-level engineers and interns.