Video Codec Firmware Engineer - Multimedia Lab

bytedance

3+ Years | San Jose, California, USA (On Site) | Full Time | 12 months ago
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Job Summary

ByteDance is looking for a Video Codec Firmware Engineer to join its Multimedia Lab. The ideal candidate will have a strong understanding of video compression standards, including H.264/AVC, H.265/HEVC, and experience developing firmware for image and video processing on FPGA/ASIC environments. This role involves leading and participating in all aspects of the software/firmware development lifecycle, from roadmap definition to feature design and development. The team is building industry-leading, highly efficient, and scalable video codec hardware solutions to better serve the company's billions of users. The candidate will be part of a fast-growing team dedicated to technical excellence and building high-performing video platforms and services.

Must Have

  • BS degree in Electrical/Computer Engineering or equivalent
  • Excellent software design and debugging skills
  • Solid C/C++ programming skills
  • At least 3 years of firmware development experience
  • Knowledge of video compression standards (H.264/AVC, H.265/HEVC)

Good to Have

  • M.S. or PhD in Computer Science or Electrical Engineering
  • Experience with image/video codec hardware accelerators
  • Understanding of perceptual video quality metrics (PSNR, SSIM, VMAF)
  • Knowledge of H.266/VVC, AV1/AV2 codecs
  • Experience with NPU & DSP development
  • Experience with embedded processors (ARM Cortex, RISC-V)
  • Collaborative mindset with strong communication skills

Perks & Benefits

  • 100% premium coverage for employee medical insurance
  • 75% premium coverage for dependents
  • Health Savings Account (HSA) with a company match
  • Dental, Vision, Short/Long term Disability insurance
  • Basic Life, Voluntary Life, and AD&D insurance plans
  • Flexible Spending Account (FSA) Options
  • 10 paid holidays per year
  • 17 days of Paid Personal Time Off (PPTO)
  • 10 paid sick days per year
  • 12 weeks of paid Parental leave
  • 8 weeks of paid Supplemental Disability
  • Mental and emotional health benefits
  • 401K company match
  • Gym and cellphone service reimbursements

Job Description

Responsibilities
Founded in 2012, ByteDance's mission is to inspire creativity and enrich life. With a suite of more than a dozen products, including TikTok, Helo, and Resso, 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 Us Creation is the core of ByteDance's purpose. Our products are built to help imaginations thrive. This is doubly true of the teams that make our innovations possible. Together, we inspire creativity and enrich life - a mission we aim towards achieving every day. To us, every challenge, no matter how ambiguous, is an opportunity; to learn, to innovate, and to grow as one team. Status quo? Never. Courage? Always. At ByteDance, we create together and grow together. That's how we drive impact - for ourselves, our company, and the users we serve. Join us. Team Introduction Our team is building industry leading, highly efficient and scalable video codec hardware solutions (FPGA and ASIC) from the ground up to better serve our billions of users. We are looking for strong software and firmware engineers to design algorithms, C-model, and firmware for advanced video encoding and processing implemented in dedicated hardware accelerators. The successful candidate will be part of a fast growing team that includes algorithm, architecture, software, firmware, and hardware design and verification experts with a dedication to technical excellence and a passion to build large-scale and high-performing video platforms and services. Responsibilities: - Lead and participate in all aspects of the software/firmware development life cycle, including roadmap definition, requirement analysis, architecture design, feature design and development etc. - Analyze, design, develop, and debug firmware for image processing, video processing and video transcoding on FPGA/ASIC environment - Develop C/C++ software for embedded real-time OS environment - Design the rate-control algorithm and quality analysis for transcoding - Conduct ASIC firmware bring-up on different simulation platforms, including palladium/Haps/FPGA. - Cooperate to support different bytedance business, including LIVE/VOD/RTC/Picture processing, etc.
Qualifications
Minimum Qualifications: - BS degree or above in Electrical/Computer Engineering, Computer Science, or equivalent fields - Excellent software design, problem solving and debugging skills - Solid programming skills in C/C++ - At least 3 years of direct related experience in FW development - Knowledge in video compression, including codec standards such as H.264/AVC, H.265/HEVC Preferred Qualifications: - M.S. or PhD in Computer Science or Electrical Engineering - Experience in FW development and optimization for image/video codec HW accelerators - Understanding of perceptual video quality, including principles behind metrics such as PSNR, SSIM and VMAF. - Knowledge of state-of-the-art video codecs, such as H.266/VVC, AV1/AV2 is a big plus. - Knowledge in image/video and signal processing, both algorithm design and implementation (for example, Encoding rate Control, scene change detection, sharpen filter, ROI, adaptive GOP structure and etc) - Experience working on NPU&DSP development - Experience with embedded processors like ARM Cortex M and R series or RISC-V architecture and boot mechanism, interrupt priorities and experience with configuring peripherals etc. - Collaborative mindset, with solid written and verbal communication skills 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. ByteDance Inc. 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://shorturl.at/cdpT2
Job Information
【For Pay Transparency】Compensation Description (annually)

The base salary range for this position in the selected city is $187040 - $358000 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.​

Our company benefits are designed to convey company culture and values, to create an efficient and inspiring work environment, and to support our employees to give their best in both work and life. We offer the following benefits to eligible employees: ​

We cover 100% premium coverage for employee medical insurance, approximately 75% premium coverage for dependents and offer a Health Savings Account(HSA) with a company match. As well as Dental, Vision, Short/Long term Disability, Basic Life, Voluntary Life and AD&D insurance plans. In addition to Flexible Spending Account(FSA) Options like Health Care, Limited Purpose and Dependent Care. ​

Our time off and leave plans are: 10 paid holidays per year plus 17 days of Paid Personal Time Off (PPTO) (prorated upon hire and increased by tenure) and 10 paid sick days per year as well as 12 weeks of paid Parental leave and 8 weeks of paid Supplemental Disability. ​

We also provide generous benefits like mental and emotional health benefits through our EAP and Lyra. A 401K company match, gym and cellphone service reimbursements. 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.​

7 Skills Required For This Role

Communication Problem Solving Cpp Talent Acquisition Game Texts Fpga Algorithms