Senior Machine Learning Engineer, Content Safety & Ecosystem - Personalization

TikTok; San Jose (CA); On-site; USD 194,000 - 355,000; Full time

Job summary

A leading company is seeking a Senior Machine Learning Engineer to innovate in content understanding and recommendation systems. The role involves developing personalization models and collaborating with cross-functional teams to enhance user experience. Candidates should have strong machine learning expertise and programming skills, particularly in Python and C++. This position offers a competitive salary and comprehensive benefits.

Benefits

Medical insurance

Dental insurance

Vision insurance

401(k) savings plan

Paid parental leave

Short-term and long-term disability coverage

Life insurance

Wellbeing benefits

10 paid holidays per year

17 days of Paid Personal Time

Qualifications

• Strong expertise in machine learning and personalization models.
• Experience in developing and deploying models in production.

Responsibilities

• Develop and enhance personalization models for user recommendations.
• Design and implement end-to-end machine learning solutions.

Skills

Machine Learning

Programming

Collaboration

Education

Bachelor’s degree in computer science

Advanced degree preferred

Tools

Python

C++

Job description

Senior Machine Learning Engineer, Content Safety & Ecosystem - Personalization

Join to apply for the Senior Machine Learning Engineer, Content Safety & Ecosystem - Personalization role at TikTok

Senior Machine Learning Engineer, Content Safety & Ecosystem - Personalization

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Join to apply for the Senior Machine Learning Engineer, Content Safety & Ecosystem - Personalization role at TikTok

Responsibilities

About the Team

The Responsible Recommendation System team innovates in content understanding and recommendation system techniques to improve TikTok content safety and ecosystem. We leverage advanced personalization models to develop robust, scalable solutions that safeguard user experience and drive product impact.

Responsibilities

• Develop and enhance personalization models to improve user recommendations while addressing challenging issues such as long-tail distributions, sparse data, and biased objectives.
• Innovate on machine learning algorithms that power one of the most renowned recommendation systems, ensuring continuous optimization of TikTok's content ecosystem.
• Design and implement end-to-end machine learning solutions that integrate seamlessly into production, working across the entire model lifecycle from data collection and feature engineering to model deployment and evaluation.
• Collaborate with cross-functional teams and engineers from diverse technical backgrounds to translate technical innovations into tangible product improvements.
• Apply data-driven approaches and rigorous experimentation to measure, analyze, and optimize model performance.
  
  

Qualifications

Minimum Qualifications

• Bachelor’s degree in computer science or a related field, with relevant work experience; an advanced degree is preferred.
• Strong expertise in machine learning with hands-on experience developing and deploying personalization models in production environments.
• Proficiency in programming languages such as Python or C++, along with familiarity with leading machine learning frameworks.
• Solid understanding of information retrieval techniques and their application in large-scale recommendation systems.
• Demonstrated ability to solve complex machine learning challenges and optimize algorithms in scenarios with long-tail, sparse, or biased data distributions.
• Excellent communication and collaboration skills, with a proven track record of working effectively within cross-functional teams.
  
  

Job Information

【For Pay Transparency】Compensation Description (Annually)

The base salary range for this position in the selected city is $194000 - $355000 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:

• 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; and
• Exercising sound judgment.
  
  

About TikTok

TikTok is the leading destination for short-form mobile video. At TikTok, our mission is to inspire creativity and bring joy. TikTok's global headquarters are in Los Angeles and Singapore, and we also have offices in New York City, London, Dublin, Paris, Berlin, Dubai, Jakarta, Seoul, and Tokyo.

Why Join Us

Inspiring creativity is at the core of TikTok's mission. Our innovative product is built to help people authentically express themselves, discover and connect – and our global, diverse teams make that possible. Together, we create value for our communities, inspire creativity and bring joy - a mission we work towards every day.

We strive to do great things with great people. We lead with curiosity, humility, and a desire to make impact in a rapidly growing tech company. Every challenge is an opportunity to learn and innovate as one team. We're resilient and embrace challenges as they come. By constantly iterating and fostering an "Always Day 1" mindset, we achieve meaningful breakthroughs for ourselves, our company, and our users. When we create and grow together, the possibilities are limitless. Join us.

Diversity & Inclusion

TikTok 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 TikTok, our mission is to inspire creativity and bring joy. 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.

TikTok Accommodation

TikTok 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://tinyurl.com/RA-request

Seniority level

• Seniority level

  Mid-Senior level

Employment type

• Employment type

  Full-time

Job function

• Job function

  Engineering and Information Technology

• Industries

  Entertainment Providers

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