Student Researcher (Video Quality Analysis & Coding Strategy) - 2026 Start (PhD)

ByteDance is a leading technology company on a mission to inspire creativity and enrich life. They are seeking a PhD intern to design and optimize video systems to improve the quality of experience for users, involving algorithm development and collaboration with cross-functional teams.

What you'll do:

• Design video analysis (ROI/SOD, content understanding, temporal grounding etc.) and quality assessment algorithms, and participate in database creation, algorithm design/development/optimization, etc
• Participate in designing strategy and solution for E2E video quality optimization with a combination of video analysis, processing and encoding algorithms
• Apply designed algorithms for VOD / Live streaming monitoring, data analysis, objective evaluation for algorithms etc
• Collaborate with X-functional teams to integrate algorithms into production workflows and validate their impact through A/B testing

What they're looking for:

• Currently pursuing a PhD in computer science/electrical engineering or a related technical discipline
• In-depth knowledge of video analysis algorithms or subjective/objective video quality algorithms, and state-of-the-art technologies
• Proficient in one of the following: C, C++, Python
• Familiar with ML and image processing tools, including sklearn, opencv, ffmpeg, etc
• Familiar with deep learning frameworks (Tensorflow/Pytorch)
• Familiar with Transformer architectures and mainstream multi-modal large models (MLLMs), and hands-on implementation or research experience preferred
• Familiar with Linux development environments, shell scripting, HDFS etc
• Knowledge of common video processing algorithms, such as superresolution, defusion model, etc
• Great communication, eager to learn, and always passionate about turning cutting-edge technologies into real life use cases

Benefits:

• Interns have day one access to health insurance, life insurance, wellbeing benefits and more.
• Interns also receive 10 paid holidays per year and paid sick time (56 hours if hired in first half of year, 40 if hired in second half of year).
• Interns who are not working 100% remote may also be eligible for housing allowance.