Backend Software Engineer Intern (Platform Engineering) - 2026 Start (BS/MS)

Responsibilities

We are looking for talented individuals to join us for an internship in 2026 (Earliest starting in January). Internships at TikTok aim to offer students industry exposure and hands-on experience. Watch your ambitions become reality as your inspiration brings infinite opportunities at TikTok. Applicants must be current students and maintain enrollment throughout the entire internship period. Graduates are not eligible for internship positions.

Applicants should be available for a minimum 12-week internship, working at least 3 days per week onsite at TikTok's Sydney office.

About the Team
The Platform Engineering Team builds the multimedia infrastructure that powers TikTok and our other products. As part of the Intelligent Video department, we specialize in Video-on-Demand (VoD) technology, developing solutions that process billions of videos every day. Our work focuses on optimizing TikTok's high-performance VoD transcoder, architecting cost-saving VoD strategy platforms that have already reduced expenses by tens of millions, and building distributed task processing platforms that streamline multimedia development across the company. When you join our team, you'll contribute to video technologies that captivate millions of users worldwide while having opportunities to grow your skills and collaborate with industry experts. You'll directly shape the multimedia experiences that define modern social media. If you're energized by technical challenges, excited about cutting-edge technology, and want to make a meaningful impact at scale, we'd love to have you explore the exciting opportunities on our team.

Responsibilities
- Participate in the design, development, and maintenance of the large-scale multimedia processing system, which processes billions of videos per day for TikTok.
- Contribute to the construction of the VoD strategy platform to deliver cost-effective transcoding and storage optimization strategies for saving a tremendous amount of VoD costs.
- Work in areas related to large-scale distributed system development, workflow orchestration, task scheduling, just-in-time video transcoding, data analysis, etc.

Qualifications

Minimum Qualifications