Video Experience Software Engineer Intern (Global StreamingMedia) - 2025 Summer/Fall (PhD)

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.

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:
- PhD student 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.

Job Information

About Us

Founded in 2012, ByteDance's mission is to inspire creativity and enrich life. With a suite of more than a dozen products, including TikTok, Lemon8, CapCut and Pico as well as platforms specific to the China market, including Toutiao, Douyin, and Xigua, ByteDance has made it easier and more fun for people to connect with, consume, and create content.​

Inspiring creativity is at the core of ByteDance's mission. Our innovative products are built to help people authentically express themselves, discover and connect – and our global, diverse teams make that possible. Together, we create value for our communities, inspire creativity and enrich life - a mission we work towards every day.​

As ByteDancers, we strive to do great things with great people. We lead with curiosity, humility, and a desire to make impact in a rapidly growing tech company. By constantly iterating and fostering an "Always Day 1" mindset, we achieve meaningful breakthroughs for ourselves, our Company, and our users. When we create and grow together, the possibilities are limitless. Join us.​

Diversity & Inclusion​

ByteDance 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 ByteDance, our mission is to inspire creativity and enrich life. 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.​

ByteDance 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 https://tinyurl.com/RA-request​

The hourly rate range for this position in the selected city is $75- $75. ​

Benefits may vary depending on the nature of employment and the country work location. Interns have day one access to health insurance, life insurance, wellbeing bene