Cloudflare
Senior Software Engineer, R2 Gateway
$185K–$266K
In-Office +4 · Senior · Full-time · Posted Sep 2, 2026
- Location
- In-Office
Austin, TX, United States
London, United Kingdom
New York, New York, United States
San Francisco, CA, United States - Experience
- 5+ years building or operating large-scale distributed systems on the request path.
- Visa sponsorship
- Any offer may be conditioned on authorization to receive software or technology controlled under U.S. export laws without sponsorship for an export license.
About the job
Build and operate R2’s S3-compatible API gateway, handling requests between clients and storage systems with high availability, low latency, and API compatibility.
What you'll do
- Design, implement, and operate the gateway and production services on Cloudflare Workers and Kubernetes.
- Own request-path functions and end-to-end projects, including authentication, authorization, routing, rate limiting, testing, deployment, and monitoring.
- Improve reliability and observability; participate in on-call, resolve incidents, and use AI tools to accelerate development and operations.
What they ask for
- Strong programming skills in Rust, TypeScript, Go, or similar languages.
- Experience building or operating large-scale distributed systems on the request path with latency and reliability requirements.
- Experience designing and operating high-throughput APIs, including authentication, routing, rate limiting, and backward-compatible evolution.
- Understanding of reliability and observability practices, including monitoring, alerting, performance tuning, and incident response.
Nice to have
- Familiarity with object storage, HTTP/API gateways, edge computing, or service-oriented architectures.
- Experience with the S3 API surface, Cloudflare Workers, Durable Objects, or edge computing platforms.
Pay
$194,000 - $266,000 USD annual salary (base salary); $185,000 - $254,000 USD annual salary (base salary)
Tools
Rust, TypeScript, Go, Cloudflare Workers, Kubernetes, S3 API, Durable Objects
AI focus
Use AI tools extensively as a core part of the workflow to accelerate development, debugging, and operational tasks.
Model-written summary · the original posting is authoritative