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. Why Join Us At TikTok, our people are humble, intelligent, compassionate and creative. We create to inspire - for you, for us, and for more than 1 billion users on our platform. We lead with curiosity and aim for the highest, never shying away from taking calculated risks and embracing ambiguity as it comes. Here, the opportunities are limitless for those who dare to pursue bold ideas that exist just beyond the boundary of possibility. Join us and make impact happen with a career at TikTok. The TikTok Multimedia Arch team is responsible for optimizing TikTok user experience and overall arch cost. This team collaborates with all teams in the TikTok creation and consumption ecosystem to provide end-to-end optimization solutions. We are looking for seasoned software engineers that have strong problem-solving skills and coding skills to build and manage scalable, reliable systems, to design machine learning models and do deep business data analysis. You will have the opportunity to partner closely with globalized engineering and product teams in a high impact and fast-paced environment. Responsibilities: - Design and implement reasonable business metrics, take a deep dive into metrics to find problems and potential optimization points - Help improve machine learning algorithms and intelligent strategies to optimize the experience of TikTok users and cost efficiency - Conduct offline and online experiments, analyze according data and evaluate to improve algorithms and strategies - Work closely with colleagues in product, engineering and algorithm teams- Have user empathy, can quickly understand user needs, and can be associated with effective data indicators. - Excellent ability to analyze and solve problems, full of passion for solving challenging problems. - Excellent learning ability and logical thinking ability; Have good expression and communication skills. - Understanding the principle of machine learning and recommendation algorithms is preferred. - Experience in data analysis of Internet companies is preferred. 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.