Backend Software Engineer, HDFS Storage

About TikTok
TikTok is the leading destination for short-form mobile video. Our mission is to inspire creativity and bring joy. TikTok has global offices including Los Angeles, New York, London, Paris, Berlin, Dubai, Singapore, 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.

About the Team
The team located in Singapore responsible for HDFS Storage plays a crucial role in supporting key products and core business lines, overseeing the management of extensive amounts of data, totalling tens of exabytes. With a wealth of expertise in source code and architecture optimization within the realm of HDFS, our team has consistently contributed to the technological advancement of large-scale storage systems, ensuring TikTok receives dependable, efficient, and user-friendly big data storage services.

By joining this team, you can anticipate a well-structured training program and the opportunity to handle a broader scope of responsibilities, allowing ample room for personal and professional growth.

What you will be doing:
- Involve in platform-related infrastructure development;
- Continuously improve the storage system in terms of stability, scalability, functionality, performance and cost;
- Provide timely technical support for our online applications, extract potential needs and points of optimisation, and continuously optimise the system.Minimum Qualifications:
- Familiar with Linux systems, with high proficiency in multi-threading and network programming;
- Solid knowledge of data structure, operating system, and principles of the distributed system;
- Knowledge of HDFS principles;
- Display expertise in low-level aspects of operating systems, with a background in optimizing system performance for TCP/IP, I/O operations, and other critical component;
- Expert in working on one or more of these technologies is a plus: Hadoop, HDFS, Flink, Spark, ClickHouse, Apache Doris.

Preferred Qualifications
- Bachelor's Degree or above, majoring in Computer Science, or related fields, with 4+ years of relevant development experience in the field with a strong programming ability, and proficiency in one of C/C++/Java;
- Contributor/Committer or PMC of the open-source community is a plus;
- Possess expertise in mentoring engineers, developing professional learning objectives and training strategies, and playing a pivotal role in overseeing the advancement of new team members as the project's core focus.

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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