Machine Learning Engineer Graduate (Tech and Product) - 2027 Start (PhD) (AI)

Location: San Jose, United States; fully in-person schedule up to 5 days a week

Salary: $136,800–$259,200 annually, with potential bonuses, incentives, and restricted stock units.

Company

hirify.global operates TikTok’s U.S. data privacy, cybersecurity, trust and safety, and user-data protection programs.

What you will do

• Design, build, train, and evaluate machine learning models for recommendation systems, search ranking, query understanding, and conversion prediction.
• Develop pipelines for feature extraction, model training, evaluation, deployment, and A/B testing.
• Process large-scale user behavior data and catalog logs with distributed systems to create real-time and offline features.
• Optimize online inference latency and throughput for high-QPS production microservices.
• Analyze online metrics, identify bottlenecks, and iterate on models to improve business and product outcomes.

Requirements

• Completing or recently completed a PhD in Computer Science, Engineering, Mathematics, Statistics, or a related discipline.
• Strong foundations in data structures, algorithms, computer systems, and software design.
• Strong theoretical and practical knowledge of machine learning.
• Ability to commit to an onboarding date by the end of 2027 and clearly state availability and graduation date on the resume.

Nice to have

• Internship or project experience in recommendation systems, search engines, computational advertising, or e-commerce AI.
• Experience with distributed computing frameworks.

Culture & Benefits

• Day-one access to medical, dental, and vision insurance.
• 401(k) savings plan with company match, paid parental leave, disability coverage, and life insurance.
• Wellbeing benefits, 10 paid holidays, 10 paid sick days, and 17 days of paid personal time.
• Inclusive workplace focused on curiosity, humility, continuous learning, and meaningful impact.