TikTok is the leading destination for short-form mobile video. Our mission is to inspire creativity and bring joy. TikTok has global offices including Los Angeles, New York, London, Paris, Berlin, Dubai, Singapore, Jakarta, Seoul and Tokyo. Creation is the core of TikTok's purpose. Our platform is built to help imaginations thrive. This is doubly true of the teams that make TikTok possible. Together, we inspire creativity and bring joy - a mission we all believe in and aim towards achieving every day. To us, every challenge, no matter how difficult, is an opportunity; to learn, to innovate, and to grow as one team. Status quo? Never. Courage? Always. At TikTok, we create together and grow together. That's how we drive impact - for ourselves, our company, and the communities we serve. About the Team TikTok's User Growth team leads growth initiatives for TikTok and all its platforms with a data-driven and results-focused engineering and product mindset. We are seeking talented individuals who enjoy the intersection of product, data, design, and engineering to help us reach the next milestone of billions of users. You'll have the opportunity to build best-in-class onboarding experiences for our users as well as define A/B testing frameworks to measure and improve user retention rates. We encounter a diversity of technical challenges, allowing you to get a firsthand look at what technologies the most innovative organizations are using and be able to build up a bottom-up growth strategy from scratch. You'll be joining a full-stack team that can leverage all of TikTok's existing frameworks and be a part of designing and implementing new techniques and foundation work that can further improve user experience and showcase TikTok's value proposition. As a Backend Engineer focusing on SEO in TikTok's User Growth team, you will: • Design and build scalable SEO backend systems to support the content growth flywheel on the TikTok ecosystem. • Improve system design and architecture to ensure high stability, performance, and extensibility of the product. • Collaborate with multiple cross-functional teams to deliver high-quality work in rapid product development. • Work closely with machine learning engineers, data scientists, and PMs to evaluate and iterate SEO products to achieve business impact.Minimum Qualifications • BS/MS degree in Computer Science or equivalent majors • Deep understanding of computer architectures, data structures, and algorithms • Experiences in designing and developing large-scale backend systems, and making informed trade-off decisions in various business environments • Experience in building large data processing pipelines. • Proficient with data analytics languages and tools such as SQL, Spark, Apache, Flink, etc. Preferred Qualifications • Minimum 2 years of relevant working experience • Industrial experience applying proper machine learning models to solve real world problems, including but not limited to, NLP and computer vision areas. Model training experience is considered a big plus. • Domain expertise in SEO and related product and engineering practices • Past experience in Search, Ads, or Recommendation teams. • Experience in user growth or digital marketing field. • Experience in designing and conducting metrics-driven experiments (A/B Tests) and extracting insights from experimental data to support decision. TikTok is committed to creating an inclusive space where employees are valued for their skills, experiences, and unique perspectives. Our platform connects people from across the globe and so does our workplace. At TikTok, our mission is to inspire creativity and bring joy. To achieve that goal, we are committed to celebrating our diverse voices and to creating an environment that reflects the many communities we reach. We are passionate about this and hope you are too. TikTok is committed to providing reasonable accommodations in our recruitment processes for candidates with disabilities, pregnancy, sincerely held religious beliefs or other reasons protected by applicable laws. If you need assistance or a reasonable accommodation, please reach out to us at gprd.accommodations@tiktok.com.