Cloudflare
Vulnerability Defense Software Engineer, Cloudforce One
$150K–$206K
Hybrid +2 · Full-time · Posted Oct 2, 2026
- Location
- Hybrid
Austin, TX, United States
Washington, DC, United States - Experience
- At least 5 years building large-scale software applications; preferably distributed systems.
- Visa sponsorship
- Offers may be conditioned on authorization to receive technology controlled under U.S. export laws without sponsorship for an export license.
About the job
Builds scalable software systems that help security practitioners assess risk, investigate threats, prioritize vulnerabilities, and provide actionable guidance to engineering teams.
What you'll do
- Design, build, operate, and scale distributed security tools and workflows.
- Work with security practitioners to identify workflow bottlenecks and automation opportunities; improve service architecture and reliability.
- Communicate and prioritize complex technical issues across teams, and mentor developers.
What they ask for
- At least 5 years building large-scale software applications, preferably distributed systems.
- Production-ready coding experience in Go and/or TypeScript.
- Experience designing and integrating RESTful APIs and/or gRPC services.
- Strong debugging, optimization, and tested-code skills.
Nice to have
- Application security, security research, or security automation experience.
- Deep understanding of DNS, TLS/SSL and HTTP.
Pay
USD 150,000 - USD 206,000 annual salary (base salary; Washington D.C. hires)
Tools
Go, TypeScript, Rust, Kafka, Redis, Kubernetes, Terraform, PostgreSQL
AI focus
Experience with AI-assisted development and designing agentic AI workflows; the posting also describes AI as a tool for faster development.
Model-written summary · the original posting is authoritative