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, Mumbai, Singapore, Jakarta, Seoul and Tokyo. As a senior software engineer in the data platform team, you will have the opportunity to build, optimize and grow one of the largest data platforms in the world. You'll have the opportunity to gain hands-on experience on all kinds of systems in the data platform ecosystem. Your work will have a direct and huge impact on the company's core products as well as hundreds of millions of users. • Design and implement reliable, scalable, robust and extensible big data systems that support core products and business • Build the world-leading cloud native OLAP engine for PB level data sets • Optimize and enhance open source data frameworks, Spark SQL, Presto, Flink etc. • Responsible for architecting internal data warehouse and data lakes to support all business unites • Creating innovative solutions toward system scalability, reliability, and availability problems