ByteDance

Responsibilities

The Global Streaming Media team is mainly responsible for the iteration of requirements for TikTok Live's streaming media-related business and the continuous evolution of its technology. We are committed to providing the global users of TikTok Live with the most advanced live streaming product experience. We expect that through continuous technological optimization and innovation, we can offer creators opportunities to present their truest selves, share their lives in real time and bring happiness to everyone.

We are looking for talented individuals to join us for an internship in 2025. Internships at ByteDance aim to offer students industry exposure and hands-on experience. Turn your ambitions into reality as your inspiration brings infinite opportunities at ByteDance.

Internships at ByteDance aim to provide students with hands-on experience in developing fundamental skills and exploring potential career paths. A vibrant blend of social events and enriching development workshops will be available for you to explore. Here, you will utilize your knowledge in real-world scenarios while laying a strong foundation for personal and professional growth. This Internship Program runs for 12 weeks beginning in May/June 2025. Successful candidates must be able to commit to one of the following summer internship start dates below:

Monday, May 12

Monday, May 19

Tuesday May 27 (Memorial Day May 26)

Monday, June 9

Monday, June 23

We will prioritize candidates who are able to commit to these start dates. Please state your availability clearly in your resume (Start date, End date).

Candidates can apply to a maximum of two positions and will be considered for jobs in the order you apply. The application limit is applicable to ByteDance and its affiliates' jobs globally. Applications will be reviewed on a rolling basis - we encourage you to apply early.

Responsibilities

• Research and develop new features on our Live/RTC streaming media platform for TikTok Live;
• Design and implement multimedia and network programs in client SDK and media server;
• Develop multimedia solutions across iOS, Android, Windows, Mac, and Linux platforms;
• Innovate in video algorithms and network transmission to enhance user experience
• Analyze data, fine-tune parameters and optimize the Live/RTC services end to end;
• Explore cutting-edge technologies and contribute to innovation initiatives.

Qualifications

Minimum Qualifications:

• Currently pursuing a Bachelor's or Master's degree in Computer Science, Mathematics, or a related technical field;
• Strong foundation in computer science, networking, and operating systems;
• Solid background in multimedia technologies, including image/signal processing, video codecs, or multimedia streaming;

Proficiency in at least one of the following programming languages: C/C++, Java/Kotlin, Objective-C/Swift, Python, or Golang;

• Excellent communication and teamwork skills.

Preferred Qualifications:

• Proficiency in signal processing, video compression, video codecs or video processing algorithms;
• Strong knowledge of network algorithms, including congestion control, loss recovery, bandwidth estimation, latency measurement and control, socket optimization, and real-time video transmission protocols;
• Hands-on experience with multimedia frameworks and tools such as FFmpeg, GStreamer, OBS Studio, VLC, x264, x265, WebRTC, RTP/RTCP streaming, or VoIP products;
• Experience with iOS frameworks (e.g., Core Data, Core Animation) or Android SDK;

Familiarity with media servers such as Nginx RTMP module, Licode, Kurento, mediasoup, or Jitsi;

• Experience in video chat, live streaming, or video conferencing solutions.