Machine Learning Engineer Intern (TikTok-Data-Search-Search Quality) - 2026 Start (PhD) San Jos[...]

TikTok; San Jose (CA); On-site; USD 68,191 - 97,120; Full time

Benefits offered by this job

Health insurance

Paid holidays

Housing allowance

Job summary

TikTok in San Jose is seeking a Machine Learning Engineer Intern (PhD) for a 12-week full-time internship starting 2026. You will design, implement and test Search features under mentor guidance, analyze large-scale data to improve search quality, and collaborate with cross-functional teams to define requirements and milestones.

You'll write clean code and documentation, communicate progress and learnings, and gain hands-on experience in NLP, ranking, and ML within a fast-paced product

Qualifications

• Pursuing a PhD in a technical field as described in the posting.
• Able to commit to a 12-week full-time internship.
• Strong coding skills and solid algorithm/data-structure foundation.
• Effective communication and ability to work in a team.
• Experience or interest in NLP, ranking, ads, search, ML, or distributed systems.

Responsibilities

• Support design, implementation, testing, and iteration of Search features under mentor guidance.
• Work with large-scale data, logs, metrics, or experiments to improve product quality.
• Collaborate with engineering, product, data science, and ML partners to define requirements and milestones.
• Write clear, maintainable code and documentation for assigned workstreams.
• Communicate progress, risks, and learnings with mentors and stakeholders.

Skills

Algorithm & data structures

Proficient coding

Communication & teamwork

NLP/ ML/Ranking experience

Education

PhD in Computer Science/Software/Engineering

Job description

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

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.

Location:

San Jose

Employment Type:

Intern

Job Code:

A46838

Responsibilities

• Support the design, implementation, testing, and iteration of Search features, services, or tools under the guidance of engineers and mentors.
• Work with large-scale data, logs, metrics, or experiments to understand user search behavior and improve product or system quality.
• Collaborate with engineering, product, data science, and machine learning partners to define requirements and deliver project milestones.
• Write clear, maintainable code and documentation for assigned workstreams.
• Communicate progress, risks, and learnings with mentors and stakeholders throughout the internship.

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

• Experience with search, recommendation, machine learning, information retrieval, natural language processing, ranking, ads, content understanding, or data mining projects.
• Familiarity with databases, distributed systems, data pipelines, experimentation, or large-scale backend services.
• Experience using data to investigate product, user, or system problems.
• Ability to communicate technical ideas clearly and collaborate with cross-functional partners.
• Interest in improving search experiences for large-scale consumer products.

Job Information

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

Benefits

• 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.

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.

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