New The Skills of Tomorrow: how AI-exposed is every skill in 2026? See the data →
Cloudflare

Senior Software Engineer - Quicksilver - Distributed Key Value

Cloudflare
Apply →
hybrid senior full-time $168,000 ~ $210,000

First indexed 22 Aug 2026

Description

At Cloudflare, we're on a mission to help build a better Internet. We're looking for a Senior Software Engineer to join our Quicksilver team, which is responsible for our globally distributed key-value store.

Quicksilver replicates data across tens of thousands of servers and over 500 data centers worldwide. It handles various network conditions and serves billions of keys per second. As a Senior Software Engineer on this team, you will own and support the entire stack, including the codebase, testing, deployment, operations, monitoring, alerting, debugging, and on-call responsibilities.

Responsibilities:

  • Work on our distributed large-scale key-value store, writing new features in Go and reviewing pull requests
  • Improve performance, CPU, memory usage, etc.
  • Enhance monitoring and tools, all written in Go
  • Help with debugging and investigating hard-to-reproduce problems

Requirements:

  • Previous experience writing robust systems, focusing on code quality, performance, and technical debt
  • Proven experience with storage systems, peer-to-peer systems, large-scale distributed systems, or system programming
  • Experience chasing problems through multiple layers of the software stack, with flexibility and curiosity
  • Autonomy and experience thinking creatively to solve complex issues
  • Enjoyment of both low-level and high-level programming, with an appreciation for programming languages
  • Ability to give and receive constructive criticism to produce the best solution
  • Willingness to engage in outages during non-standard hours

Compensation:

  • Salary range varies by location
  • For Denver-based hires: $168,000 - $210,000 per year
  • For Washington D.C., New York, and Seattle-based hires: $185,000 - $231,000 per year

Benefits:

  • Comprehensive health and welfare benefits
  • Financial benefits, including short and long-term disability insurance, life and accident insurance, 401(k) retirement savings plan, and employee stock participation plan
  • Flexible paid time off and leave programs

We value curiosity and AI-native thinking, and we're committed to creating a better Internet. If you're interested in this role, we'd love to hear from you!

This listing is enriched and indexed by YubHub. To apply, use the employer's original posting: https://job-boards.greenhouse.io/cloudflare/jobs/8140310