The TikTok Engineering Test Team focuses on testing and delivering innovative, high-quality product features of the TikTok as well as protecting user data. Our Mission is to facilitate the release of TikTok features and enhancements from the development to production stage through effective testing, delivering quality at speed. You will join the team and participate in quality assurance for Large Language Models (LLM) in various business scenarios. Together with engineering and algorithm teammates, you will refine the next-generation intelligent experience.
We are looking for talented individuals to join us for an internship in November/December 2026. Internships at TikTok aim to offer students industry exposure and hands-on experience. Watch your ambitions become reality as your inspiration brings infinite opportunities at TikTok
Candidates can apply to a maximum of two positions and will be considered for jobs in the order you apply. The application limit is applicable to TikTok and its affiliates' jobs globally.
Applications will be reviewed on a rolling basis - we encourage you to apply early.
Successful candidates must be able to commit to either of the following Internships
- From December 2026 - February 2027 (onboard by 7 Dec 2026)
Responsibilities
- Participate in quality assurance for TikTok’s Live LLM initiatives, and assist in building the quality system for large model applications.
- Take part in tool development for the industry-leading test team during the AI transformation across all testing phases.
- Work on quality and efficiency special projects based on LLM, including change control, automated testing, search effectiveness evaluation, and LLM security.
- Assist in investigating feasible optimization suggestions for existing quality and efficiency pain points of the engineering and algorithm teams, and drive the implementation of solutions to improve delivery quality and efficiency.
- Keep track of cutting-edge technologies related to large models and AIGC, explore new quality and efficiency solutions for quality assurance scenarios, and iterate continuously in practice.
Minimum Qualifications:
- Current undergraduate or graduate student, majors in Computer Science, Software Engineering, Information Technology or related fields are preferred. Internship duration shall be no less than 3 months.
- Understand basic software engineering and testing processes, have basic knowledge of common testing methods and tools.
- Possess a solid programming foundation, proficient in at least one programming language among Python/Go/Java/C++.
- Have strong learning ability and innovation awareness, willing to proactively try new technologies and methods, and eager to solve complex problems in practice.
Preferred Qualifications:
- Course projects or practical testing/development experience is a plus.
- Experience in developing automated testing scripts or tools is preferred.
- Have a strong interest in AIGC and large model fields, understand mainstream large model application scenarios. Experience in AI-related projects, model evaluation or test development is preferred.
- Demonstrate good communication, collaboration skills and sense of responsibility, able to cooperate efficiently with cross-functional teams to jointly ensure business quality.
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
If you have any questions, please reach out to us at [email protected]
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.
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.
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