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.

About the Job
The Experience team is responsible for optimizing app experience related to performance for TikTok users. This team collaborates with all teams in the video creation and consumption ecosystem to provide end-to-end optimization solutions, including client, shooting, uploading, video playback, video delivery and player, etc.

Responsibilities:
- Design and implement media streaming-related algorithms to improve the playback experience.
- Contribute to end-to-end media ecosystem design to improve the algorithmization of the multimedia system.
- Run controlled experiments on millions of streaming sessions to validate improvements.
- Work in areas related to video preload algorithms, media adaption algorithms, network bandwidth estimation, CDN traffic allocation algorithm, transmission protocol optimization etc.

Qualifications

- 2+ years of industry or academic experience in the streaming or network domain.
- MS or PhD in computer science, EE or quantitative discipline.
- Proven ability to develop new algorithms and identify problems in existing solutions.
- Fluent in statistics and data analysis.
- Experience with shipping software on behalf of a major brand at scale is a big plus.
- Experience with learning-based model development is a big plus.

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 gprd.accommodations@tiktok.com