Systems Engineer, R2 Gateway
Build and operate Cloudflare R2’s S3-compatible API gateway, owning request routing, authentication, reliability, performance, and production operations at global scale. The role requires strong systems programming skills and experience with distributed, high-throughput APIs.
About the job
Responsibilities
- Design, implement, and operate the S3-compatible API gateway serving R2 operations, ensuring correctness, low latency, and S3 API compatibility.
- Build and operate production services on Cloudflare Workers and Kubernetes handling high-throughput request traffic with strong availability and durability guarantees.
- Own the request path end to end, including authentication, authorization, routing, rate limiting, error handling, and interfaces with storage and metadata layers.
- Lead projects from design documentation through implementation, testing, deployment, and production monitoring.
- Improve gateway reliability, performance, observability, and operational efficiency.
- Participate in on-call rotations, resolve incidents, and write postmortems.
- Use AI tools extensively for development, debugging, and operations.
- Collaborate with storage infrastructure, metadata, networking, and platform teams on API contracts, capacity planning, and cross-cutting initiatives.
Requirements
- Strong programming skills in Rust, TypeScript, Go, or similar languages.
- Experience building or operating large-scale distributed systems on the request path with demanding latency and reliability requirements.
- Familiarity with object storage, HTTP/API gateways, edge computing, or service-oriented architectures.
- Experience designing and operating high-throughput APIs, including authentication, routing, rate limiting, and backward-compatible API evolution.
- Understanding of monitoring, alerting, performance tuning, and incident response.
- Strong written and verbal communication skills.
- Comfort using AI coding tools in daily development.
Nice-to-haves
- Experience with the S3 API.
- Experience with Cloudflare Workers, Durable Objects, or edge computing platforms.
Compensation and Benefits
- Applicants who reach the offer stage may be asked to attend an in-person interview at a Cloudflare office or hub.
- The position may require authorization to access technology controlled under U.S. export control laws without sponsorship for an export license.
Skills
Rust, TypeScript, Go, Kubernetes, Cloudflare Workers, S3 Api, Distributed Systems, Object Storage, Http, Api Gateways, Authentication, Rate Limiting, Monitoring, Incident Response, Durable Objects
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