Responsibilities

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 its offices include New York, London, Dublin, Paris, Berlin, Dubai, Jakarta, Seoul, and Tokyo.

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

Our database development team is responsible for building and owning database products used by TikTok's infrastructure including but not limited to relational databases, key-value stores, and document stores. In this team, you'll have the opportunity to develop and enhance serverless DBMS service 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 2024. Internships at TikTok aim to offer students industry exposure and hands-on experience. Turn your ambitions into reality as your inspiration brings infinite opportunities at TikTok.

This Internship Program runs for 10-24 weeks. Candidates can also apply for both Off-cycle Intern position and Program Intern position.

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 TikTok and its affiliates' jobs globally.

Responsibilities:
-Design and develop enterprise-level relational database products, aiming to create industry-leading OLTP/OLAP standardized solutions.
-Research and implement cloud-native technologies in the database domain.
-Continuously optimize system stability, performance, cost, availability, scalability, and maintainability.
-Understand and address specific database requirements for different business scenarios.
-Stay updated on industry advancements, explore new technologies, and apply them to improve relational database products.

Qualifications

Minimum Qualification:
- PhD candidate in Computer Science, Computer Engineering, or other related fields
- Experience: Backend engineering experience in at least one of C/C++/Go/Python, with a strong foundation in algorithms and data structures. High standards for engineering quality and a focus on performance are essential; Work experience in databases, high-concurrency systems, distributed systems, etc., with a deep understanding of the relevant technologies;
- Knowledge: Familiarity with the principles of relational database systems, with experience in middleware, HA, kernel development, or related areas; Knowledge of mechanisms and source code related to sharding, transaction mechanisms, MVCC, query optimization, master-slave replication, backup and recovery, storage engines, high availability, etc.

Preferred Qualifications:
1. Background of LLM/ML and database
2. Experience in MySQL, PostgreSQL, SQL Server, GreenPlum, PolarDB, TiDB, OceanBase, Spanner, or similar database systems is preferred;

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 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 request via https://bytedance.us.larkoffice.com/share/base/form/shrusW6pfDVzkZRjoYkIUjlOhth.

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.