Machine Learning Engineer Graduate (Content Ecology) - 2025 Start (PhD)

Responsibilities

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 its offices include New York, London, Dublin, Paris, Berlin, Dubai, Jakarta, Seoul, and Tokyo.

Why Join Us: Creation is the core of TikTok's purpose. Our platform is built to help imaginations thrive. This is doubly true of the teams that make TikTok possible. Together, we inspire creativity and bring joy - a mission we all believe in and aim towards achieving every day. To us, every challenge, no matter how difficult, is an opportunity; to learn, to innovate, and to grow as one team. Status quo? Never. Courage? Always. At TikTok, we create together and grow together. That's how we drive impact - for ourselves, our company, and the communities we serve. Join us.

The Content Ecology team aims to leverage AI and machine learning algorithms to build a suite of strategic models and platform solutions that enhance user experience across various sub-businesses under the short video business line.

Our focus areas include:

1. TikTok Intelligent Customer Service: Utilizing large language models to address intelligent customer service and commercial customer service challenges.
2. TikTok Local Services: Employing multimodal understanding technologies to solve content understanding and governance issues in local services.
3. TikTok Search: Applying AI capabilities to provide hot event/topic discovery, event extraction, and summarization for the search business line.

We are looking for talented individuals to join our team in 2025. As a graduate, you will get unparalleled opportunities for you to kickstart your career, pursue bold ideas and explore limitless growth opportunities. Co-create a future driven by your inspiration with TikTok.

Successful candidates must be able to commit to one of the following start dates below:

1. January 13, 2025
2. February 3, 2025
3. March 3, 2025
4. May 19, 2025
5. June 9, 2025
6. July 14, 2025
7. August 11, 2025

We will prioritize candidates who are able to commit to these start dates. Please state your availability and graduation date clearly in your resume. Applications will be reviewed on a rolling basis. We encourage you to apply as early as possible.

Responsibilities:

1. Develop and implement machine learning models to enhance user experience across various TikTok sub-businesses.
2. Collaborate with cross-functional teams to integrate AI solutions into existing platforms.
3. Conduct research and stay up-to-date with the latest advancements in AI and machine learning to continually improve our models and solutions.

Qualifications

Minimum Qualifications:

1. BS/MS Degree in Computer Science or a related major
2. Experienced in programming and algorithmic skills, proficient in languages such as Python or C++.
3. Deep understanding of one of the following areas: NLP (Natural Language Processing), CV (Computer Vision), LLM (Large Language Models)/MLLM (Multimodal Language Models), or Search.
4. Experienced in one or more of the following topics: TensorFlow, PyTorch, or other machine learning frameworks.
5. Good team communication and collaboration skills.

Preferred Qualifications:

1. Experience in building ML model development for large-scale consumer-facing applications.
2. Experience or domain expertise in one or more of the following areas is preferred: NLP, CV, LLM/MLLM, Dialog System, Search, Recommendation Systems, etc.
3. Published papers or hands-on project experience in the fields of NLP, CV, or multimodal technologies.

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 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 this link .

Job Information:

For Pay Transparency

The base salary range for this position in the selected city is $145,000 - $250,000 annually. Compensation may vary outside of this range depending on a number of factors, including a candidate’s qualifications, skills, competencies, 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.

Our company benefits are designed to convey company culture and values, to create an efficient and inspiring work environment, and to support our employees to give their best in both work and life. We offer the following benefits to eligible employees:

We cover 100% premium coverage for employee medical insurance, approximately 75% premium coverage for dependents and offer a Health Savings Account (HSA) with a company match. As well as Dental, Vision, Short/Long term Disability, Basic Life, Voluntary Life, and AD&D insurance plans. In addition to Flexible Spending Account (FSA) Options like Health Care, Limited Purpose, and Dependent Care.

Our time off and leave plans are: 10 paid holidays per year plus 17 days of Paid Personal Time Off (PPTO) (prorated upon hire and increased by tenure) and 10 paid sick days per year as well as 12 weeks of paid Parental leave and 8 weeks of paid Supplemental Disability.

We also provide generous benefits like mental and emotional health benefits through our EAP and Lyra. A 401K company match, gym, and cellphone service reimbursements. 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;
3. Exercising sound judgment.