Machine Learning Engineer - MLDev

The mission of our AML team is to push the next-generation AI infrastructure and recommendation platform for the ads ranking, search ranking, live & ecom ranking in our company. We also drive substantial impact on core businesses of the company. Currently, we are looking for a Machine Learning Engineer in MLDev (Machine Learning System) to join our team to support and advance that mission.

• Design and implement a global-scale machine learning system for feeds, ads and search ranking models.
• Build a flexible and easy-to-use Machine Learning development API framework.
• Collaborate with model teams and provide general solutions to meet their requirements.
• Convert high-level ML models into formats that can run efficiently on different hardware, and optimize performance.

• Minimum Qualifications:
  • Proficient in Python/C/C++ with solid programming skills.
  • Familiar with deep learning frameworks (Tensor Flow/PyTorch).
  • Capable of using compiler development tools such as MLIR, LLVM, and parallel computing platform such as CUDA.
  • Familiar with common machine learning models (MLP/Word Embedding/Transformer).
• Preferred Qualifications:
  • At least 5 years of experience in GPU performance optimization.
  • Experience in developing and deploying large-scale systems.
  • Experience contributing to an open sourced machine learning framework (Tensor Flow/PyTorch).

• Base salary range: $198,360 – $416,100 annually.
• Compensation may vary based on qualifications, skills, experience, and location, and may include discretionary bonuses/incentives and restricted stock units.
• Benefits include medical, dental, and vision insurance; 401(k) with company match; paid parental leave; short-term and long-term disability coverage; life insurance; wellbeing benefits; 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).
• Company reserves the right to modify or change benefits programs at any time.

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:

• Interacting and occasionally having unsupervised contact with internal/external clients and/or colleagues.
• Appropriately handling and managing confidential information including proprietary and trade secret information and access to information technology systems.
• Exercising sound judgment.

Diversity & Inclusion:
Byte Dance 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. We are passionate about celebrating diverse voices and creating an environment that reflects the many communities we reach.

Reasonable Accommodation:
Byte Dance 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