Relational Database Intern (Data Tech Infra) - 2025 Summer (PhD)

Responsibilities

Founded in 2012, ByteDance's mission is to inspire creativity and enrich life. With a suite of more than a dozen products, including TikTok as well as platforms specific to the China market, including Toutiao, Douyin, and Xigua, ByteDance has made it easier and more fun for people to connect with, consume, and create content.

Why Join Us
Creation is the core of ByteDance's purpose. Our products are built to help imaginations thrive. This is doubly true of the teams that make our innovations possible.
Together, we inspire creativity and enrich life - a mission we aim towards achieving every day.
To us, every challenge, no matter how ambiguous, is an opportunity; to learn, to innovate, and to grow as one team. Status quo? Never. Courage? Always.
At ByteDance, we create together and grow together. That's how we drive impact - for ourselves, our company, and the users we serve.
Join us.

TEAM INTRODUCTION
Our database team is responsible for building and owning database products used by TikTok's infrastructure including but not limited relational databases, key-value stores and document stores. In this team, you’ll have the opportunity to develop and enhance a full-stack database system including storage, query execution engine and query optimizer as well as associated management tool in a cloud native environment. 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 in 2025. Internships at ByteDance aim to offer students industry exposure and hands-on experience. Turn your ambitions into reality as your inspiration brings infinite opportunities at ByteDance.

Applications will be reviewed on a rolling basis. We encourage you to apply early. 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 ByteDance and its affiliates' jobs globally.

Internships at ByteDance aim to provide students with hands-on experience in developing fundamental skills and exploring potential career paths. A vibrant blend of social events and enriching development workshops will be available for you to explore. Here, you will utilize your knowledge in real-world scenarios while laying a strong foundation for personal and professional growth. It runs for 12-24 weeks and begins in May/June 2025. Successful candidates must be able to commit to one of the following start dates below:

- Monday, May 12
- Monday, May 19
- Tuesday May 27 (Memorial Day May 27)
- Monday, June 9
- Monday, June 23

We will prioritize candidates who are able to commit to these start dates. Please state your availability clearly in your resume (Start date, End date).

RESPONSIBILITIES
- Develop kernel modules or features for distributed database systems.
- Solve unique, large-scale, highly complex cloud infrastructure problems
- Partner with PMs and engineers from different teams on building backend support for cloud database service prodcuts
- Participate in technical discussions related to team's product and engineering work

Qualifications

Minimum Qualifications:
- Currently pursuing a PhD in Computer Science, Computer Engineering, or other related fields
- Knowledge of database kernel, distributed system, query processing and optimization, multi-threaded programming
- Experience coding in C/C++, Golang, Java, Python
- Must obtain work authorization in the country of employment at the time of hire, and maintain ongoing work authorization during employment.

Preferred Qualifications:
-Graduating in December 2025 or beyond.
- Demonstrated software engineering experience from previous internship, work experience, coding competitions, or publications
- Curiosity towards new technologies and entrepreneurship
- High levels of creativity and quick problem-solving capabilities
- Experience with open source DBMS development such as Mysql, PostgreSql and others is highly desirable

ByteDance 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 Bytedance, 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.

ByteDance Inc. 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 ou