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.

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.

Our team plays an essential role in TikTok, as we strive to realize our company's vision of building a global platform for creation and communication. We are seeking a top-notch ML Engineer, who is fluent in programming language semantics, to help us create the world's best development tools. As a senior ML Engineer in our Developer Infrastructure team, you will conduct R&D and push the boundaries of ML for Test Infrastructure, including but not limited to, smart test code generation, fuzzing, automatic assertion generation, automatic software defect detection and fixing.

Join us today, and we'll empower you to build large-scale machine learning systems, raising dev productivity to unprecedented levels with powerful ML technology. Within our team, you will conduct the following activities:
-Development of machine learning systems, including key computing development, task scheduling, and machine learning system management and operation
-Deployment of machine learning services
-Online serving of machine learning models
-Fine-tuning machine learning models
-Iterate and develop the system using customer-driven scenarios