Software Development Engineer - Cloud Native Databases

Location:

Seattle

Team:
Infrastructure

Employment Type:

Regular

Job Code: A160847A

Join Byte Dance’s database development team, where you’ll build and own cutting‑edge database products supporting Byte Dance’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.

• 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.

• Experience with query processing including execution and query optimization, transaction management, storage management, backup 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.

• 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.

The base salary range for this position in the selected city is $148,200 - $300,960 annually.

Benefits may vary depending on the nature of employment and the country work location. Employees have day one access to medical, dental, and vision insurance, a 401(k) savings plan with company match, paid parental leave, short‑term and long‑term disability coverage, life insurance, wellbeing benefits, among others. Employees also receive 10 paid holidays per year, 10 paid sick days per year and 17 days of Paid Personal Time (prorated upon hire with increasing accruals by tenure).

The Company reserves the right to modify or change these benefits programs at any time, with or without notice.

• Interacting and occasionally having unsupervised contact with internal/external clients and/or colleagues.
• Appropriately handling and managing confidential information including proprietary and trade secret information and access to information technology systems.
• Exercising sound judgment.

Byte Dance 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