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Video Codec Algorithm Engineer - Multimedia Lab

ByteDance

Skills

Required

  • optimization
  • programming
  • video coding standards
  • AV1
  • reference softwares
  • ECM
  • x265
  • VVEnc
  • AI-based codec systems
  • debugging
  • C/C++

Preferred

  • algorithms
  • developing video applications
  • live streaming / video conferencing / offline transcoding
  • software codec development
  • SIMD / NEON
  • multi-threaded programming
  • maximize compression efficiency
  • low-level and system-level enhancements

About ByteDance

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.

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 to deliver superior visual quality
  • Conduct research and development on AI-powered codecs, including end-to-end image/video compression systems

Requirements

  • 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

  • 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

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