Software Engineer Intern (Media Engine) - 2027 Summer

About the team The Live Arch 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. Our internship program offers students hands-on experience, industry exposure, and opportunities to apply their knowledge to real-world challenges while building a strong foundation for personal and professional growth. Interns will gain practical experience, explore potential career paths, and participate in social events, learning programs, and development workshops alongside industry professionals. Candidates may apply to a maximum of two positions across Our Company and its affiliates globally. Applications will be considered in the order they are submitted. Applications are reviewed on a rolling basis, so we encourage you to apply early. Please clearly state your availability in your resume, including your start and end dates.

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. 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.

By submitting an application for this role, you accept and agree to our global applicant privacy policy, which may be accessed here: https://careers.tiktok.com/legal/privacy