Senior Software Development Engineer - Cloud Native Databases

About ByteDance 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. About the Team Join ByteDance’s database development team, where you’ll build and own cutting-edge database products supporting Bytedance’s global infrastructure. Our diverse portfolio includes relational databases, distributed caches, key-value stores, document databases, graph databases, wide-column stores, search engines, and multi-model databases. In this role, you’ll have the opportunity to enhance these services in a cloud-native environment, embracing a culture of intellectual curiosity, self-direction, and problem-solving. We embrace a culture of self-direction, intellectual curiosity, openness, and problem-solving. We are looking for candidates to work in an open, agile, and highly collaborative environment in the following areas: - Query Processing, including query execution, query optimization, system catalog, database schema management, etc. - Distributed Processing, including distributed transactions, distributed lock management, logging/recovery, replication, intra-cluster communication etc. - Distributed Storage including blob storage, key-value stores such as rocksdb, ETCD or Zookeeper etc. - Cluster and system management including database scale out, high availability, backup/restore, database monitoring, observability and serviceability frameworks and tools including telemetry collection, performance and crash diagnostics etc. Responsibilities - Partner with PMs and engineers from different teams on building backend support for cloud database service products. - Design and development of core database system functionalities and related tools. - Conduct performance and scalability tests and research innovative ideas for improvement. - Design and implement comprehensive unit, functional and system-test for product quality. - Participate in release and deployment process. - Debug, conduct root cause analysis, diagnose defects. - Solve unique, large-scale, highly complex cloud infrastructure problems - Participate in the team’s on-call rotation to keep services operational and highly available

Minimum Qualifications: - Experience with query processing including execution and query optimization, transaction management, storage management, back and restore, - MySQL/PostgreSQL software development experience is a plus. - Experience building a large-scale high performance database platform. - Storage systems experience. - Distributed systems experience. - Strong C/C++, Go or Java programming skills. - Knowledge and experience with Linux shell and other scripting languages such as Python etc. Preferred Qualifications: - BS or a higher degree in Computer Science, Computer Engineering, or other related fields. - 3+ years industry experience in system or database internals programming. - Expertise in software engineering life cycle from previous internship, work experience, coding competitions, or publications. - Curiosity about new technologies, innovation and entrepreneurship. - High levels of creativity and quick problem-solving capabilities. - A results oriented attitude and able to deliver high quality code in a fast-paced, dynamic agile team environment. 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 enrich life. 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 out to us at https://shorturl.at/cdpT2