Senior Software Development Engineer - Cloud Native Databases

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

Qualifications

Minimum Qualifications: - Experience with query processing including execution and query optimization, transaction management, storage management, back and restore, - 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. - MySQL/PostgreSQL software development experience is a plus.