Cloudflare
Security Engineer, Applied Research & Labs
Hybrid +1 · Full-time · Posted Oct 13, 2026
- Location
- Hybrid
Austin, TX, United States - Experience
- 4+ years in software engineering; other experience requirements are stated without years.
- Visa sponsorship
- An offer may be conditioned on authorization to receive technology controlled under U.S. export laws without sponsorship for an export license.
About the job
Designs and builds agentic security tools on Cloudflare’s Developer Platform, packages them as open-source implementations and hands-on labs, and presents the work to customers and the security community.
What you'll do
- Build agentic security workflows, tooling, and documented open-source reference implementations.
- Design and operate interactive labs, and lead customer and partner workshops.
- Present and document Cloudflare’s security architecture and coordinate technical content with Product and Engineering.
What they ask for
- 4+ years in software engineering, shipping and operating production systems.
- Experience building interactive labs, hands-on learning platforms, or developer training environments, including their infrastructure.
- Proficiency in TypeScript, Python, or a comparable language, with production experience in distributed or event-driven systems; hands-on experience building LLM-based systems.
- Experience with Cloudflare Workers, Durable Objects, Workflows, Workers AI, AI Gateway, and Vectorize, or an equivalent serverless stack; working knowledge of application and infrastructure security.
Nice to have
- Hands-on security background in any domain.
- Experience with the Cloudflare Agents SDK, developer education, open-source security or developer tooling, or conference speaking.
Tools
TypeScript, Python, Cloudflare Workers, Durable Objects, Workflows, Workers AI, AI Gateway, Vectorize
AI focus
Build agentic security tooling and LLM-based systems, including agent orchestration, tool use, context engineering, and evaluation.
Model-written summary · the original posting is authoritative