Senior Data Scientist, Research - TikTok

ch and Development, Machine Learning Engineering, to improve user experience and fulfill growth of TikTok in all different regions.

Responsibilities - What You'II Do

• Responsible for the design of TikTok's online decision-making mechanism, optimization of experimental frameworks and quantitative evaluation methods, user and content understanding and mining, and other general issues to improve decision-making and analysis efficiency
• In-depth understanding of the difficulties of product and recommendation in experimental evaluation and online decision-making, design reasonable solutions, and promote implementation
• Make advanced statistical or machine learning processing for difficult A/B experiments (weak significance, weak observation, bilateral effects, network effects, etc.), and provide effective analytical conclusions
• Provide effective solutions for deep understanding of users and content through machine learning, statistical mining, LLM, and other technologies

Qualifications

Minimum Qualifications:

• Master's degree or above, major in statistics, mathematics, economics, computer science, or related fields
• Research or work experience in statistics, causal inference, experimental science, time series, machine learning, deep learning
• Proficient in Python/R, familiar with common big data technologies such as Hadoop, Spark, Hive

Preferred Qualifications:

• Ability to analyze and solve problems, excellent cross-team communication and collaboration skills, enthusiastic about challenges
• Basic understanding of recommendation systems, in-depth knowledge of recommendation algorithms

Job Information

[For Pay Transparency] Compensation Description (annually)

The base salary range for this position in the selected city is $176356 - $395280 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.

Benefits may vary depending on the nature of employment and the country work location. Employees have day one access to medical, dental, and vision insurance, a 401(k) savings plan with company match, paid parental leave, short-term and long-term disability coverage, life insurance, wellbeing benefits, among others. Employees also receive 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).

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.