Senior Software Engineer - Quicksilver - Distributed Key Value
CloudflareLondon, England, United Kingdom • Amsterdam, North Holland, Netherlands • Lisbon, Portugal • Austin, Texas, United States
Posted October 27, 2025
Full Time
About the Company
Cloudflare is a leading connectivity cloud company that enhances online security, performance, and reliability for businesses worldwide. With a comprehensive suite of products including web security, CDN, DNS, and developer tools, Cloudflare empowers organizations to protect against threats, improve user experiences, and streamline operations while reducing costs.
Job Description
Cloudflare is seeking a Senior Software Engineer to join their rapidly growing distributed key-value store team. The role involves maintaining and improving the quality and performance of Quicksilver, a globally distributed key-value store, responsible for features, code review, testing, deployment, and debugging. The team has worked on systems involving multiple layers and challenges requiring strong problem-solving abilities and a collaborative spirit.
Requirements
- Previous experience writing robust systems, code quality, performance, and technical debt
- Proven experience with storage systems, peer-to-peer systems, and large-scale distributed systems
- Flexibility and autonomy to work independently and creatively
- Pragmatism and value in simple solutions
- Teamwork and constructive criticism