Video Algorithm Engineer - Multimedia Lab

ByteDance; San Jose (CA); On-site; USD 213,000 - 450,000; Full time

Job summary

ByteDance is seeking a strong Video Algorithm Engineer to design and optimize end-to-end video systems for billions of users. You will work on adaptive encoding, video understanding, processing, and quality metrics, contributing to Live and VOD streaming at scale.

The role requires a BS degree in CS/EE and strong CS fundamentals, with expertise in C/C++, Python, and related video technologies. Collaboration and communication are essential as we push performance across CPU, GPU, and mobile

Qualifications

• BS degree or above in Computer Science, Electrical Engineering, or equivalent fields.
• Strong Computer Science fundamentals (algorithms, data structures, software design) and problem-solving skills.
• Excellent programming, debugging, and optimization skills in one or more general-purpose programming languages including but not limited to: C/C++, Python, etc.
• Strong knowledge and solid experience in one of the following areas: video understanding, video processing (denoise, super-resolution, HDR etc.), video coding, video streaming (DASH, ABR, QoE etc.), video quality assessment, and subjective visual quality optimization etc.
• Collaborative mindset, with solid written and verbal communication skills.

Responsibilities

• Design and implement adaptive video encoding algorithms at both internal and external codec levels
• Design and implement video understanding, and video processing and enhancement algorithms
• Design and validate image/video quality metrics, no-reference, and full-reference metrics
• Design and implement efficient video delivery and streaming algorithms for both Live and VOD services

Skills

C/C++

Python

Algorithms & data structures

Problem-solving

Communication skills

Education

BS degree in CS/EE

Tools

x264

x265

FFMPEG

AV1/HEVC encoders

Job description

Responsibilities

Team Introduction

Our team designs and optimizes the next-generation end-to-end video system (for video production, processing, delivery, and consumption) to improve the quality of experience (QoE) for our billions of users. We are looking for strong video algorithm engineers from all areas of video understanding, video processing, video coding, video streaming, and video quality assessment, etc., who have a dedication to technical excellence and a passion to build large-scale and high-performing video platforms and services.

Responsibilities:

• Design and implement adaptive video encoding algorithms at both internal and external codec levels
• Design and implement video understanding, and video processing and enhancement algorithms
• Design and validate image/video quality metrics, no-reference, and full-reference metrics
• Design and implement efficient video delivery and streaming algorithms for both Live and VOD services

Qualifications

Minimum Qualifications

• BS degree or above in Computer Science, Electrical Engineering, or equivalent fields
• Strong Computer Science fundamentals (algorithms, data structures, software design) and problem-solving skills
• Excellent programming, debugging, and optimization skills in one or more general-purpose programming languages including but not limited to: C/C++, Python, etc.
• Strong knowledge and solid experience in one of the following areas: video understanding, video processing (denoise, super-resolution, HDR etc.), video coding, video streaming (DASH, ABR, QoE etc.), video quality assessment, and subjective visual quality optimization etc.
• Collaborative mindset, with solid written and verbal communication skills

Preferred Qualifications

• Familiar with video coding standards (AVC/H.264, HEVC/H.265, AV1, and VVC, etc.)
• Experience in open-source multimedia projects (x264, x265, and FFMPEG, etc.)
• Experience in video-related applications, such as short video streaming, video transcoding, live streaming, etc.
• Experience in deep learning and neural-network-based video coding/processing/streaming algorithms
• Experience in algorithm optimization on CPU, GPU, and mobile platform, etc.

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

Job Information

【For Pay Transparency】Compensation Description (Annually)

The base salary range for this position in the selected city is $212800 - $450000 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.