2 jobs for "Research Scientist Intern (TikTok - Content Ecology - Local Services) - 2027 Start (PhD)"

Research Scientist Intern (TikTok - Content Ecology - Local Services) - 2027 Start (PhD)

At TikTok - San Jose

Posted on Nov 13

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Machine Learning Scientist Intern (TikTok - Content Ecology - LLM application) - 2027 Start (PhD)

At TikTok - San Jose

Posted on Aug 3

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TikTok

Research Scientist Intern (TikTok - Content Ecology - Local Services) - 2027 Start (PhD)

San JoseScience and EngineeringPosted today

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Responsibilities

The Content Ecology Algorithm Team drives TikTok's AI innovations in LLMs/MLLMs, NLP, Computer Vision, Multimodal learning, Agentic AI, and recommendation algorithms. We develop cutting-edge AI capabilities that power multiple business lines.

You will tackle unique algorithm challenges in building products for a global audience. Our platform's diverse content and worldwide user base create a wealth of opportunities for AI applications. With rapidly growing businesses such as TikTok Local Services, you'll have the chance to bring cutting-edge AI innovations into real-world production.

We are looking for talented individuals to join us for an internship. PhD internships at Our Company provide students with the opportunity to actively contribute to our products and research, as well as to the organization's future plans and emerging technologies.
Our dynamic internship experience blends hands-on learning, enriching community-building and professional development events, and collaboration with industry experts.
Applications will be reviewed on a rolling basis, so we encourage you to apply early. Please clearly state your availability in your resume (Start date, End date).

Responsibilities:
- Conduct research and drive end-to-end deployment of innovative solutions that apply LLMs/MLLMs and agentic systems to global multimodal content understanding and representation.
- Explore conversion prediction and RL methods for creator and user behavior modeling, and ship innovations to production.
- Investigate agentic self-iteration paradigms for autonomous model evolution.
- Track cutting-edge AI progress, rapidly validate hypotheses, and translate state-of-the-art insights into production-grade systems.

Qualifications

Minimum Qualifications:
- Currently pursuing a PhD in Computer Science, Machine Learning or a related technical discipline.
- Solid foundational understanding of modern machine learning theory and applications, with hands-on experience working with LLMs/MLLMs or agentic systems.
- Strong analytical thinking to formulate research hypotheses, design experiments and evaluate model behaviors.
- Proficiency in common ML frameworks and strong coding skills (Python/C++ preferred).

Preferred Qualifications:
- Experience in LLM post-training, agentic AI, reinforcement learning, reward modeling, combinatorial optimization or CTR/CVR/Uplift modeling.
- Top tier publication, preprint, or open-source project experience in LLMs/MLLMs, NLP, CV, search, recommendation, or ads.
- Proficiency in Python/C++ preferred.

By submitting an application for this role, you accept and agree to our global applicant privacy policy, which may be accessed here: https://careers.tiktok.com/legal/privacy

Responsibilities

Qualifications

Qualifications

Minimum Qualifications:
- Currently pursuing a PhD in Computer Science, Machine Learning or a related technical discipline.
- Solid foundational understanding of modern machine learning theory and applications, with hands-on experience working with LLMs/MLLMs or agentic systems.
- Strong analytical thinking to formulate research hypotheses, design experiments and evaluate model behaviors.
- Proficiency in common ML frameworks and strong coding skills (Python/C++ preferred).

Preferred Qualifications:
- Experience in LLM post-training, agentic AI, reinforcement learning, reward modeling, combinatorial optimization or CTR/CVR/Uplift modeling.
- Top tier publication, preprint, or open-source project experience in LLMs/MLLMs, NLP, CV, search, recommendation, or ads.
- Proficiency in Python/C++ preferred.

By submitting an application for this role, you accept and agree to our global applicant privacy policy, which may be accessed here: https://careers.tiktok.com/legal/privacy

About TikTok

TikTok is the leading destination for short-form mobile video and our mission is to inspire creativity and bring joy.

Size: 5,001 - 10,000 employees
Industry: Entertainment & Gaming

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Perks and Benefits

Health and Wellness
- Health Insurance
- Dental Insurance
- Vision Insurance
- HSA
- Life Insurance
- Fitness Subsidies
- On-Site Gym
- Long-Term Disability
- Short-Term Disability
- Virtual Fitness Classes
- Mental Health Benefits
Parental Benefits
- Adoption Assistance Program
- Family Support Resources
- Fertility Benefits
Work Flexibility
- Flexible Work Hours
- Hybrid Work Opportunities
Vacation and Time Off
- Paid Vacation
- Paid Holidays
- Personal/Sick Days
- Leave of Absence
Financial and Retirement
- 401(k) With Company Matching
- Performance Bonus
- Company Equity
Office Life and Perks
- Casual Dress
- Snacks
- On-Site Cafeteria
- Holiday Events
- Company Outings
- Some Meals Provided
- Happy Hours
- Pet-Friendly Office
Professional Development
- Promote from Within
- Access to Online Courses
- Leadership Training Program
- Associate or Rotational Training Program
- Mentor Program
Diversity And Inclusion
- Diversity, Equity, and Inclusion Program
- Employee Resource Groups (ERG)