Responsibilities

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
Creation is the core of TikTok's purpose. Our platform is built to help imaginations thrive. This is doubly true of the teams that make TikTok possible.
Together, we inspire creativity and bring joy - a mission we all believe in and aim towards achieving every day.
To us, every challenge, no matter how difficult, is an opportunity; to learn, to innovate, and to grow as one team. Status quo? Never. Courage? Always.
At TikTok, we create together and grow together. That's how we drive impact - for ourselves, our company, and the communities we serve.
Join us.

Team Intro
AML (Applied Machine Learning) Machine Learning System team focuses on the research and implementation of cutting-edge technologies in the field of Machine Learning systems, providing high-performance, highly reliable, scalable systems. In the team, you'll have the opportunity to build the large scale heterogeneous system integrating with GPU/RDMA/Storage and keep it running stable and reliable, enrich your expertise in coding, performance improvement and problem analysis, and be involved in the decision-making process.

We are researching new applications and solutions in the fields of search, recommendation, advertising, content creation, dialogue, and customer service using deep models such as NLP/CV, to meet the growing demand for intelligent interactions from users. Our goal is to enhance users' lifestyles and communication methods in the future world. Responsibilities include optimizing online service and offline data stream performance, addressing system bottlenecks, reducing costs, and ensuring system stability and high availability.
Key responsibilities include:
1. Participating in online architecture design and optimization centered around deep model inference tasks, achieving high concurrency and throughput in large-scale online systems.
2. Participating in the establishment of a comprehensive system covering stability, disaster recovery, R&D efficiency, and cost, enhancing overall system stability.
3. Participating in the design and implementation of end-to-end online pipeline systems with multiple models, plugins, and storage-computation components, enabling agile, flexible, and observable continuous delivery.
4. Collaborating closely with the MLE for optimization of algorithms and systems.
5. Being proactive, optimistic, highly responsible, and demonstrating meticulous work ethic, as well as possessing strong team communication and collaboration skills.

Qualifications

1. Excellent coding skills, strong understanding of data structures, and fundamental knowledge of algorithms. Proficiency in programming languages such as C/C++, Java, Go, Python, etc.
2. Familiarity with deep learning models and its applications, such as ResNet, BERT, etc.
3. Rich experience in online architecture, with the ability to troubleshoot independently.
4. Strong sense of responsibility, good learning ability, communication skills, and self-motivation.
Preferred Qualifications:
1. Experience in the architecture of recommendation/advertising/search online and offline systems.
2. Understanding of GPU hardware architecture, familiarity with GPU software stack (CUDA, cuDNN), and experience in GPU performance analysis.

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 rd.accommodations@tiktok.com