Video Codec Algorithm Engineer - Multimedia Lab

ByteDance; San Diego (CA); On-site; USD 150,000 - 240,000; Full time

Job summary

ByteDance’s Multimedia Lab in San Diego focuses on core R&D for multimedia, including audio, video, and 3D data. We work across algorithms, systems, and hardware-software co-optimization to deliver scalable solutions for diverse applications.

Responsibilities include designing high-impact compression algorithms, optimizing codec performance, and advancing video coding technologies with AI-assisted approaches. Qualified candidates have advanced degrees and hands-on C/C++ expertise.

Qualifications

• MS or PhD in Computer Science, Electrical Engineering, or a related field
• In-depth knowledge of video coding standards (HEVC/H.265, AV1, H.266/VVC) and reference software (ECM, x265, VVEnc) or AI-based codec systems
• Strong programming, debugging, and optimization skills in C/C++ or other general-purpose languages

Responsibilities

• Design and develop cutting-edge algorithms to maximize compression efficiency
• Optimize codec performance through low-level and system-level enhancements
• Push the boundaries of state-of-the-art video coding technologies for superior visual quality
• Conduct R&D on AI-powered codecs, including end-to-end image/video compression systems

Skills

C/C++

Video codecs

Multi-threading

SIMD/NEON

HEVC/H.265

AV1

H.266/VVC

x265

VVEnc

ECM

Education

MS/PhD in CS/EE

Tools

x265

VVEnc

ECM

Job description

Responsibilities

As part of a technology-driven company, our Multimedia Lab focuses on core R&D for multimedia content such as audio, video, point clouds, and meshes. We are contributors to international standardization efforts and have built comprehensive capabilities across algorithm design, system implementation, and hardware-software co-optimization.

Our work centers on key areas such as content generation, analysis, compression, processing, transmission, and interaction. We consistently deliver high-quality, practical, and scalable solutions that support diverse business innovations. Alongside our commitment to efficient and reliable technology delivery, we invest heavily in foundational research—exploring fundamental algorithms, large models, and next-generation standards to build sustainable, forward-looking technical competitiveness.

• Design and develop cutting-edge algorithms to maximize compression efficiency
• Optimize codec performance through low-level and system-level enhancements
• Push the boundaries of state-of-the‑art video coding technologies to deliver superior visual quality
• Conduct research and development on AI‑powered codecs, including end-to-end image/video compression systems

Qualifications

Minimum Qualifications:

• MS or PhD in Computer Science, Electrical Engineering, or a related field
• In-depth knowledge of video coding standards (e.g., HEVC/H.265, AV1, H.266/VVC), reference softwares (e.g., , ECM, x265, VVEnc) or AI-based codec systems
• Strong programming, debugging, and optimization skills in C/C++ or other general-purpose programming languages

Preferred Qualifications

• Experience in developing video applications such as live streaming, video conferencing, or offline transcoding
• Hands‑on experience with software codec development
• Background in international standardization efforts
• Familiarity with SIMD/NEON optimization and multi‑threaded programming
• Strong understanding of business needs and the ability to align technical solutions with product and market goals

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 $207480 - $368