AI Engineer Intern (TikTok-Client Arch)- 2027 Summer

Responsibilities About the Team TikTok is a global short video platform covering 150 countries and regions. We hope to discover authentic and interesting moments through TikTok, making life better. TikTok has offices worldwide, with global headquarters in Los Angeles and Singapore, as well as offices in New York, London, Dublin, Paris, Berlin, Dubai, Jakarta, Seoul, Tokyo, and other cities. The TikTok General Architecture team sits between business and infrastructure. Our mission is to embrace AI, build the most advanced business architecture infrastructure, establish public trust and compliance, focus on resource management and cost optimization, user experience and stability, improve engineering quality and R&D efficiency. Here, you can both feel how technology empowers upper-layer business and deepen your technical understanding at the architecture level. We look forward to your joining! We are looking for talented individuals to join us for an internship. Our internship program offers students hands-on experience, industry exposure, and opportunities to apply their knowledge to real-world challenges while building a strong foundation for personal and professional growth. Interns will gain practical experience, explore potential career paths, and participate in social events, learning programs, and development workshops alongside industry professionals. Candidates may apply to a maximum of two positions across Our Company and its affiliates globally. Applications will be considered in the order they are submitted. Applications are reviewed on a rolling basis, so we encourage you to apply early. Please clearly state your availability in your resume, including your start and end dates. As a condition of employment, all successful candidates must be able to establish authorization to work in the United States. For this position, the Company does not provide sponsorship or any immigration-related benefits. Responsibilities 1. Explore and implement "AI-Native Engineering Infrastructure", treating AI Agents and human developers as first-class citizens of the platform and redefining R&D efficiency. 2. Leverage AI to drive automated maintenance, intelligent refactoring, precise diagnosis/repair, CI/CD optimization, and knowledge management across large codebases—transforming the development experience. 3. Establish and continuously improve evaluation standards and benchmarking for AI-assisted R&D efficiency, measuring productivity, system stability, and code correctness. 4. Design and build application architectures, service interfaces, and supporting frameworks for AI-driven scenarios, providing a solid foundation for upper-layer innovation. 5. Stay current with software engineering and systems technologies; evaluate and adopt new tools, frameworks, and methodologies to evolve the team's stack. 6. Partner with business R&D and cross-functional teams to understand pain points, deliver highly available platform solutions at scale, and drive adoption with measurable impact.

Qualifications

Minimum Qualifications:

• Currently pursuing an Undergraduate/Master degree in Software Development, Computer Science, Computer Engineering, or a related technical discipline.
• Able to commit to working for 12 weeks during the Summer of 2027.
• Hands-on software development experience (coursework, internship, open source, or personal projects); able to independently implement, debug, and deliver features.
• Solid proficiency in at least one mainstream language (e.g., TypeScript/JavaScript, Python, Go, Java, C/C++);
• End-to-end delivery mindset: hands-on practice in at least two of client/application, server, and data layers, with basic understanding of the rest.
• Strong software engineering fundamentals: modularity, abstraction, interface design, testing, and maintainability; able to write clear, evolvable code in collaboration.
• Basic system design ability: decompose and model small-to-medium systems; articulate module boundaries, data flow, critical paths, and key trade-offs (performance, complexity, scalability, etc.). Understanding of engineering basics (build, dependency management, CI/CD, automation, or deployment), with interest in engineering/infrastructure work.

Preferred Qualifications:

• Project or internship experience building AI applications/agents, or integrating LLMs into developer workflows.
• Experience with engineering productivity, internal tools, developer platforms, or R&D efficiency projects (internship, open source, or coursework).
• Hands-on exposure to CI/CD, build & deployment, automation, or observability tooling, with awareness of design trade-offs.
• Internship experience in full-stack, client, or server-side roles at Internet companies or technology-driven teams.
• Independent understanding of software architecture and system design, with a strong willingness to keep learning.
• Technical writing, open-source contributions, talks, or clear explanation of design trade-offs.
• Deeper project experience in Web, mobile, backend services, data, or infrastructure (a plus, not a requirement).
• Strong problem-solving and code-reading skills; able to navigate unfamiliar codebases and deliver improvements. Clear communication and collaboration.
• Interest in or early practice with AI-assisted engineering, and motivation to apply AI in real engineering scenarios.

By submitting an application for this role, you accept and agree to our global applicant privacy policy, which may be accessed here: As a condition of employment, all successful candidates must be able to establish authorization to work in the United States. For this position, the Company does not provide sponsorship or any immigration-related benefits.

Job Information

【For Pay Transparency】Compensation Description (Hourly) - Campus Intern

The hourly rate range for this position in the selected city is $45- $45. 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. 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; and 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