About TikTokTikTok is the leading destination for short-form mobile video. At TikTok, our mission is to inspire creativity and bring joy. TikTok's global headquarters are in Los Angeles and Singapore, and we also have offices in New York City, London, Dublin, Paris, Berlin, Dubai, Jakarta, Seoul, and Tokyo. Why Join Us Inspiring creativity is at the core of TikTok's mission. Our innovative product is built to help people authentically express themselves, discover and connect – and our global, diverse teams make that possible. Together, we create value for our communities, inspire creativity and bring joy - a mission we work towards every day. We strive to do great things with great people. We lead with curiosity, humility, and a desire to make impact in a rapidly growing tech company. Every challenge is an opportunity to learn and innovate as one team. We're resilient and embrace challenges as they come. By constantly iterating and fostering an "Always Day 1" mindset, we achieve meaningful breakthroughs for ourselves, our company, and our users. When we create and grow together, the possibilities are limitless. 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 Build highly scalable, efficient and robust trust, and safety platforms and tools. Understand product objectives to develop web-based application pages optimized for scalability, reliability and responsiveness and to deliver compelling end user experience. Collaborate with trust and safety specialists, experts, backend and machine learning engineers. Work on A/B testing frameworks to measure and improve user retention and engagement. Collaborate with design and product teams to create a world-class user experience. Promote robust and maintainable code, clear documentation, and deliver high quality work on a tight schedule. Mentor junior-level engineers and interns.

Qualifications Must have a Master's degree or foreign equivalent degree in Computer Science, Engineering (any), Information Technology, Mathematics, Statistics, Physics, or a related field, and 2 years of related work experience; OR a Bachelor's degree or foreign equivalent degree in Computer Science, Engineering (any), Information Technology, Mathematics, Statistics, Physics, or a related field, and 5 years of post-bachelor's, progressive related work experience. Of the required experience, must have 2 years of experience in each of the following: Working across all phases of the software development lifecycle (SDLC) for the design, development, coding, testing, integration and deployment of complex products and platforms, including backend services and infrastructure services using Go or Java; Designing and implementing web applications, including front-end UI logic and back-end business logic; Optimizing performance for JavaScript ( and web apps running in browsers and on servers; Reviewing requirements, specifications, and technical design documents to create systematic and comprehensive test plans and test cases, including estimating, prioritizing, planning, and coordinating testing efforts across team members; Working with cross-functional teams on front-end User Interface (UI) quality and functional improvement by building monitoring services and introducing new or upgraded technology; and Using unit tests, integration tests, and load tests to ensure quality of delivered software products and continuous software development pipeline. TRAVEL REQUIREMENT: Domestic and International travel required up to 5%. Type: Full time, 40 hours/week Location: San Jose, CA Salary Range: $226158 - $359720 per year To Apply, click the apply button below. Contact if you have difficulty submitting resume through the website.