Lead Data Scientist - E-Commerce Recommendation (Multiple Positions)

About TikTok TikTok 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 Develop and iterate internal strategies, working with algorithm and product teams to improve recommendation performance and support growth in the E-Commerce ecosystem. Use causal inference, Machine Learning and other technologies to actively explore opportunities in traffic, products, operations, and strategies. Complete in-depth special project analysis and provide strategic suggestions through qualitative and quantitative analysis, model construction, and experimental verification. Partner with stakeholders across product, engineering, and business teams to identity trends, align data science solutions with strategic goals, and to deliver scalable, data-driven improvements. Conduct A/B test result collection and provide analysis reports as well as strategy improvement recommendations. Mentor and support junior and mid-level data scientists. Qualifications Must have a Master’s degree or foreign equivalent degree in Data Science, Business Analytics, Computer Science, Engineering (any), Statistics, Mathematics, or a related quantitative field, and 3 years of related work experience; OR a Bachelor's degree or foreign equivalent degree in Data Science, Business Analytics, Computer Science, Engineering (any), Statistics, Mathematics, or a related quantitative field, and 5 years of post-bachelor’s, progressive related work experience. Of the required experience, must have 3 years of experience in each of the following: Leveraging advanced data gathering, processing, and analysis techniques to develop and deliver data-driven recommendations that support and influence key business decisions; Conducting forecasting and experiment analysis, and communicating quantitative insights through clear visualizations using Tableau or Excel; Researching and developing analyses, forecasting, and optimization methods to improve product quality using SQL, time series, and causal inference experiments; Cleaning, processing, and analyzing large-scale datasets using relational databases or Hadoop systems; and Building and validating machine learning models including clustering, classification, and other predictive models to solve business problems. Travel Requirement: International travel required up to 20%. Type: Full time, 40 hours/week Location: Bellevue, WA Salary Range: $208050 - $335920 per year To Apply, click the apply button below. Contact lpresumes@tiktok.com if you have difficulty submitting resume through the website. 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 https://tinyurl.com/RA-request #IND-DNI