Video Quality Scientist (PhD) - VOD & Live

ByteDance; San Jose (CA); On-site; USD 244,800 - 588,000; Full time

Benefits offered by this job

Medical, dental, and vision insurance

401(k) plan with company match

Paid parental leave

Short-term and long-term disability coverage

Life insurance

Wellbeing benefits

Paid holidays and sick days

Paid personal time

Job summary

ByteDance is seeking a Research Scientist for Video Quality Analysis & Coding Strategy in San Jose. This role involves designing video analysis algorithms and collaborating with teams for integration into workflows. Applicants should have a PhD in a relevant field and strong skills in C, C++, or Python, alongside knowledge of video quality algorithms. The position offers a competitive salary range of $244,800 - $588,000 annually, along with comprehensive benefits including medical insurance and a 401(k) plan.

Qualifications

• Completing or recently completed a PhD in Software Development, Computer Science, or related technical discipline.
• In-depth knowledge of video analysis algorithms or subjective/objective video quality algorithms.
• Excellent communication skills and eagerness to learn.

Responsibilities

• Design video analysis and quality assessment algorithms.
• Collaborate with cross-functional teams for algorithm integration.
• Apply algorithms for VOD or live streaming monitoring.

Skills

Knowledge of video analysis algorithms

Proficient in C, C++, or Python

Excellent communication skills

Knowledge of deep learning frameworks (TensorFlow/PyTorch)

Experience with ML and image processing tools

Education

PhD in Software Development, Computer Science, or related

Tools

OpenCV

FFmpeg

Job description

Research Scientist Graduate (Video Quality Analysis & Coding Strategy) - Global Frontier Tech Recruitment Program - 2027 Start (PhD)

Location:

San Jose

Team:

Technology

Employment Type:

Regular

Job Code:

A22804B

Share this listing:

Responsibilities

We are looking for talented individuals to join our team. As a graduate, you will get opportunities to pursue bold ideas, tackle complex challenges, and unlock limitless growth.Successful candidates must be able to commit to an onboarding date by the end of the year. Please state your availability and graduation date clearly in your resume.About the TeamAt Multimedia Lab, we push the boundaries of what’s possible in multimedia technology. Our mission is to pioneer cutting-edge research across image and video understanding, generation, processing, compression, and transmission—and transform these innovations into real-world products that delight hundreds of millions of users globally.The ideal candidate combines deep technical expertise with a strong record of innovation, thrives on solving challenging problems at scale, and is passionate about shaping the future of multimedia experiences. This is an opportunity to work alongside top talent, drive frontier research, and turn breakthrough ideas into impactful technologies used around the world.Topic Content:Multimodal Foundation Models for Intelligent Multimedia ProcessingExplore next-generation multimedia technologies powered by multimodal foundation models, including perceptual quality modeling, generative enhancement, temporal video understanding, user-centric evaluation, and intelligent visual representation/compression, to advance video quality, efficiency, and user experience in future multimedia systems.Challenges for the analysis, understanding, and quality assessment and enhancement based on multimodal large models:- Modeling complex time sequences in long multimodal videos- Building few-shot grounding-based models for quality assessment- Creating interactive video processing/enhancement models aligned with user preferencesResearch value of analysis, understanding, and quality assessment and enhancement based on multimodal large models:- Enhance semantic understanding and event localization in medium- and long-length videos, improving processing efficiency, and support key areas such as ads recommendation, content comprehension, video value evaluation, and transcoding enhancement- Lower the cost of quality annotation, enable interpretable assessment of local degradation, boost generalization across different content types, and support pixel-level quality inspection and optimizationResponsibilities- 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 cross-functional teams to integrate algorithms into production workflows and validate their impact through A/B testing.

Qualifications

Minimum qualifications:- Individuals who are completing or recently completed a PhD in Software Development, Computer Science, Computer 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++, PythonPreferred Qualifications- 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 supperresolution, defusion model, etc.- Great communication, eager to learn, and always passionate about turning cutting-edge technologies into real life use cases.

Job Information

The base salary range for this position in the selected city is $218400 - $480000 annually.

Compensation may vary outside of this range depending on a number of factors, including a candidate’s qualifications, skills, competencies and experience, and location. Base pay is one part of the Total Package that is provided to compensate and recognize employees for their work, and this role may be eligible for additional discretionary bonuses/incentives, and restricted stock units.

Benefits may vary depending on the nature of employment and the country work location. Employees have day one access to medical, dental, and vision insurance, a 401(k) savings plan with company match, paid parental leave, short-term and long-term disability coverage, life insurance, wellbeing benefits, among others. Employees also receive 10 paid holidays per year, 10 paid sick days per year and 17 days of Paid Personal Time (prorated upon hire with increasing accruals by tenure).

The Company reserves the right to modify or change these benefits programs at any time, with or without notice.

For Los Angeles County (unincorporated) Candidates:

Qualified applicants with arrest or conviction records will be considered for employment in accordance with all federal, state, and local laws including the Los Angeles County Fair Chance Ordinance for Employers and the California Fair Chance Act. Our company believes that criminal history may have a direct, adverse and negative relationship on the following job duties, potentially resulting in the withdrawal of the conditional offer of employment:

1. Interacting and occasionally having unsupervised contact with internal/external clients and/or colleagues;

2. Appropriately handling and managing confidential information including proprietary and trade secret information and access to information technology systems; and

3. Exercising sound judgment.

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.

Why Join ByteDance

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.

Reasonable Accommodation

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