Lead Machine Learning Engineer (Multiple Positions)

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 UsInspiring 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 TeamOur 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!ResponsibilitiesDrive the building of industry-leading systems, and improve user experience, content ecosystem, and platform security.Build machine learning (ML) models and implement ML-based strategies to improve system infrastructure.Lead and conduct code reviews to ensure delivery of end-to-end machine learning solutions.Own the full stack machine learning system and optimize algorithms and infrastructure to improve recommendation performance.Build new pipelines for ML model training/iteration.Partner with cross functional teams to design product strategies and features and build solutions to support platform’s growth.Manage and mentor junior and mid-level team members, providing technical guidance and expertise and sharing machine learning engineering best practices.QualificationsMust have a Master's degree or foreign equivalent degree in Computer Science, Engineering (any), Information Systems, Machine Learning, Data Science, Statistics, Mathematics, or a related field, and 3 years of related work experience; OR a Bachelor's degree or foreign equivalent degree in Computer Science, Engineering (any), Information Systems, Machine Learning, Data Science, Statistics, Mathematics, or a related 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:Coding using Python or C++;Optimizing, training, and deploying machine learning and deep learning models using PyTorch or TensorFlow;Building, tuning, and validating statistical models for regression and classification problems in Python or R;Building data pipelines and implementing partitioning and bucketing in hive to organize and query data, and performing query tuning to improve the speed of daily user analytics and reports;Building data services or applications using data query engines HBase, Elastic Search, ClickHouse, or SQL Server, and optimizing the query performance; andUtilizing Big data framework Spark, Hadoop, or Flink.Travel Requirement: International travel required up to 20%.Type: Full time, 40 hours/weekLocation: Bellevue, WASalary Range: $232560 - $427500 per yearTo Apply, click the apply button below. Contact View email address on click.appcast.io 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 ID: A64899A