1,957 jobs for "Research Engineer"

LLM/Multimodal AI Engineer Intern (TikTok Search) - 2027 Start (PhD)

At TikTok

Posted on Aug 3

View job Apply on company site

Senior Machine Learning Engineer, TikTok Trust and Safety

At TikTok - Seattle

Posted on May 12

View job Apply on company site

Senior Machine Learning E-commerce Feed Recommendation

At TikTok - Seattle

Posted on Apr 16

View job Apply on company site

Machine Learning Engineer, E-commerce Feed Recommendation

At TikTok - Seattle

Posted on Apr 16

View job Apply on company site

Machine Learning Engineer, E-commerce Feed Recommendation

At TikTok - San Jose

Posted on Apr 16

View job Apply on company site

Senior Machine Learning Engineer, E-commerce Feed Recommendation

At TikTok - San Jose

Posted on Apr 16

View job Apply on company site

Senior Software Engineer - Global E-Commerce Search Infrastructure (TikTok Shop)

At TikTok - Seattle

Posted on Apr 2

View job Apply on company site

Software Engineer - Global E-Commerce Search Infrastructure (TikTok Shop)

At TikTok - Seattle

Posted on Apr 1

View job Apply on company site

Machine Learning Engineer - Search Ads

At TikTok - San Jose

Posted on Apr 1

View job Apply on company site

Data Scientist-TikTok Ads, Ads Interfaces

At TikTok - San Jose

Posted on Nov 6

View job Apply on company site

Machine Learning Engineer Graduate - (TikTok Trust and Safety - CV/NLP/Multimodal LLM) - 2026 Start(PHD)

At TikTok - Seattle

Posted on Jul 1

View job Apply on company site

Machine Learning Engineer Graduate- (TikTok Trust and Safety-CV/NLP/Multimodal LLM) - 2026 Start(PHD)

At TikTok - Seattle

Posted on Jun 26

View job Apply on company site

Data Scientist-TikTok Ads, Brand Innovation

At TikTok - San Jose

Posted on Jul 24

View job Apply on company site

Machine Learning Engineer, Recommendation - E-Commerce

At TikTok - San Jose

Posted on Apr 12

View job Apply on company site

Senior Environmental Engineer

At Altria Group, Inc. - Richmond

Posted on Nov 7

View job Apply on company site

Senior Design Engineer (CPS426)

At Mitsubishi Electric Power Products - Warrendale

Posted on Nov 5

View job Apply on company site

Senior Design Engineer – Data Center Cooling

At Mitsubishi Electric Power Products - Freedom

Posted on Aug 19

View job Apply on company site

Site Reliability Engineer 4 (Cloud Operations Resilience Engineering)

At Capital One - McLean · Richmond

Posted on Oct 31

View job Apply on company site

Research Associate - Investor Data

At BlackRock - New York

Posted on Oct 30

View job Apply on company site

Research Scientist - LLM Efficiency

At Apple

Posted on Oct 19

View job Apply on company site

TikTok

LLM/Multimodal AI Engineer Intern (TikTok Search) - 2027 Start (PhD)

SingaporePosted Aug 3, 2026

Apply on company site View full job

Why you should apply for a job to TikTok:

4.5/5 in overall job satisfaction
4.5/5 in supportive management
100% say women are treated fairly and equally to men
100% would recommend this company to other women
100% say the CEO supports gender diversity

Ratings are based on anonymous reviews by Fairygodboss members. See all reviews ›

Responsibilities

Our Search Team is responsible for building and owning our search engine which provides our users the best search experience. On the Search Team, you'll have the opportunity to build a full-stack search engine system and combine information retrieval technology with modern machine learning methods from related fields such as NLP, Computer Vision, Multimodal, and Recommender Systems. 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. 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
- Participate in the development and optimization of algorithms for large-scale search systems under mentor guidance, including query understanding, retrieval, ranking, reranking, and relevance modeling
- Support the application of machine learning, deep learning, and foundation model technologies to improve search relevance, personalization, and user satisfaction
- Explore LLM-powered search technologies in scoped research or engineering modules, such as generative search, retrieval-augmented generation, search agents, long-context understanding, and multi-turn search scenarios
- Contribute to multimodal search capabilities by leveraging text, image, video, audio, user behavior, and other content signals
- Work closely with mentors and cross-functional partners to understand key search quality issues, prototype technical ideas, and contribute to algorithm improvements from research exploration to experimental validation
- Conduct data analysis, model evaluation, and offline/online experiment support to help improve search experience and business impact

Qualifications

Minimum Qualification(s):
- Currently pursuing a PhD in Software Development, Computer Science, Computer Engineering, or a related technical discipline.
- Solid programming skills in Python, C++, or a related language
- Good understanding of machine learning and deep learning fundamentals
- Hands-on experience through coursework, lab projects, research projects, internships, or personal exploration in at least one relevant area: search/retrieval, ranking, recommender systems, NLP, multimodal learning, LLMs, or applied ML
- Ability to conduct structured technical exploration, analyze problems, and translate ideas into working prototypes or experimental results under guidance

Preferred Qualification(s):
- Coursework, lab project, competition, open-source, research, or internship experience in search, ranking, NLP, multimodal learning, LLMs, or AI systems
- Technical projects, open-source contributions, competition experience, research exploration, or publications demonstrating interest and capability in relevant domains
- Strong analytical and problem-solving skills, with curiosity and willingness to learn in open-ended, large-scale technical scenarios
- Good communication and collaboration skills, with enthusiasm for learning from mentors and contributing to impactful products
- Passion for applying research ideas and emerging AI technologies to real-world user and business problems

Responsibilities

Qualifications

Qualifications

Minimum Qualification(s):
- Currently pursuing a PhD in Software Development, Computer Science, Computer Engineering, or a related technical discipline.
- Solid programming skills in Python, C++, or a related language
- Good understanding of machine learning and deep learning fundamentals
- Hands-on experience through coursework, lab projects, research projects, internships, or personal exploration in at least one relevant area: search/retrieval, ranking, recommender systems, NLP, multimodal learning, LLMs, or applied ML
- Ability to conduct structured technical exploration, analyze problems, and translate ideas into working prototypes or experimental results under guidance

Preferred Qualification(s):
- Coursework, lab project, competition, open-source, research, or internship experience in search, ranking, NLP, multimodal learning, LLMs, or AI systems
- Technical projects, open-source contributions, competition experience, research exploration, or publications demonstrating interest and capability in relevant domains
- Strong analytical and problem-solving skills, with curiosity and willingness to learn in open-ended, large-scale technical scenarios
- Good communication and collaboration skills, with enthusiasm for learning from mentors and contributing to impactful products
- Passion for applying research ideas and emerging AI technologies to real-world user and business problems

About TikTok

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

Size: 10,000+ employees
Industry: Technology: Consumer Internet

View company profile