TikTok

Machine Learning Engineer Intern (TikTok Search) - 2026 Start (PhD)

TikTok • $124K *
Consumer Technology
Less than 5 years of experience
Job Overview by Ladders

Qualifications

  • Currently pursuing a PhD in Software Development, Computer Science, or a related technical field.
  • Must commit to a 12-week full-time internship.
  • Proficient in coding with strong foundational knowledge of algorithms and data structures.
  • Effective teamwork and communication skills are essential.
  • Experience in NLP, recommender systems, or distributed systems is a plus.

Responsibilities

  • Participate in improving the search core algorithm using NLP and CV technologies.
  • Leverage large language models for enhancing search results relevance.
  • Model user behavior to increase personalization in search results.
  • Utilize video understanding techniques to evaluate credibility and usefulness.
  • Work collaboratively in a dynamic engineering team environment.

Benefits

  • Healthcare benefits from day one including health insurance and life insurance.
  • 10 paid holidays per year and additional paid sick time.
  • Possible housing allowance for non-remote interns.
  • Opportunities for hands-on learning and community-building events.
Full Job Description
Responsibilities

Team Introduction Our Search Engineering Team is responsible for building and owning TikTok's search engine which can provide our users with the best search experience. In TikTok Search Team, you'll have the opportunity to build full-stack search engine system and combine information retrieval technology with modern machine learning methods from related fields such as NLP, CV, and recommender system. We embrace a culture of self-direction, intellectual curiosity, openness, and problem-solving. We are looking for talented individuals to join us for an internship in 2026. PhD Internships at TikTok aim to provide students with the opportunity to actively contribute to our products and research, and to the organization's future plans and emerging technologies. PhD internships at TikTok provide students with the opportunity to actively contribute to our products and research, and to the organization's future plans and emerging technologies. Our dynamic internship experience blends hands-on learning, enriching community-building and development events, and collaboration with industry experts. Applications will be reviewed on a rolling basis - we encourage you to apply early. Please state your availability clearly in your resume (Start date, End date). This internship provides students the opportunity to join one of our engineering teams where you will have the opportunity to: Participate in the improvement of the search core algorithm, possible directions include:
• Content understanding: Applying the industry's cutting-edge NLP and CV technology and leveraging LLM to match the most relevant videos for each search query, and continuously improve the relevance of TikTok search.
• User Behavior Modeling: solving the recommendation problem in search, let TikTok search increase the ability of personalization on the basis of "relevant", and understand users better.
• Video understanding: comprehensive use of NLP, CV, as well as LLM for better video understanding from the perspective of the video itself and social network, improve authority, credibility, and usefulness of search results.

Qualifications

Minimum Qualifications: - Must be able to commit to a 12-week full-time work. - Currently pursuing a PhD in Software Development, Computer Science, Computer Engineering, or a related technical discipline. - Proficient coding skills and strong algorithm & data structure basis. - Effective communication and teamwork skills. - Experience in one or more of the following areas: NLP, Ranking, Ads, search engine, recommender system, distributed system, and machine learning. Preferred Qualifications
• Demonstrated software engineering experience from previous internship, work experience, coding competitions, or publications.
• High levels of creativity and quick problem-solving capabilities.

Job Information

[For Pay Transparency]Compensation Description (Hourly) - Campus Intern

The hourly rate range for this position in the selected city is $60- $60.

Benefits may vary depending on the nature of employment and the country work location. Interns have day one access to health insurance, life insurance, wellbeing benefits and more. Interns also receive 10 paid holidays per year and paid sick time (56 hours if hired in first half of year, 40 if hired in second half of year). Interns who are not working 100% remote may also be eligible for housing allowance.

The Company reserves the right to modify or change these benefits programs at any time, with or without notice.

About TikTok

TikTok is a social media app that allows users to create and share short videos. The app was launched in 2016 by Chinese tech company ByteDance. TikTok has become one of the most popular social media apps in the world, with over 1 billion active users. The app has been downloaded over 2 billion times worldwide. TikTok has faced controversy over its data privacy practices and its potential ties to the Chinese government. In 2020, the app faced a potential ban in the United States, but a deal was reached with Oracle and Walmart to create a new company called TikTok Global.
Learn more about TikTok
Size
1,750 employees
Industry
Founded
2012

Similar Jobs

More Jobs at TikTok

More Consumer Technology Jobs

Find similar Machine Learning Engineer Intern (TikTok Search) - 2026 Start (PhD) jobs: