Senior Machine Learning Engineer, Core Feed Recommendation - Dedup

Senior Machine Learning Engineer, Tik Tok Core Feed Recommendation - Dedup

Location:

San Jose

Employment Type:

Regular

Job Code: A244339

• Build and scale the Dedup and Copyright system that supports billions of users globally
• Design and deploy machine learning models to support video understanding and content integrity
• Integrate cutting‑edge AI technologies to improve model accuracy, performance, and system efficiency
• Develop scalable data pipelines and infrastructure to support training and serving of ML models on real‑time, unstructured data
• Run experiments to evaluate and debug models in production environments
• Collaborate with cross‑functional teams to ensure smooth deployment and monitoring of ML systems

• Bachelor's degree or above in Computer Science or a related field
• Minimum 3 years of industry experience in Machine Learning
• Proficiency with at least one deep learning framework (e.g., PyTorch, Tensor Flow)
• Experience in Multimedia or Computer Vision areas such as image/video/audio retrieval, representation learning, re‑identification, or unsupervised/self‑supervised learning

• Master’s degree or higher in Computer Science or a related field
• Experience working in large‑scale production environments or high‑growth tech companies

The base salary range for this position in the selected city is $212,800 - $387,600 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.

• Day‑one access to medical, dental, and vision insurance
• 401(k) savings plan 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
• 17 days of Paid Personal Time (pro‑rated upon hire with increasing accruals by tenure)

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:

• 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.

Tik Tok 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