About the Job
At Cloudflare, we are on a mission to help build a better Internet. Today the company runs one of the world’s largest networks that powers millions of websites and other Internet properties for customers ranging from individual bloggers to SMBs to Fortune 500 companies. Cloudflare protects and accelerates any Intern...
At Cloudflare, we’re not looking for people who wait for a polished roadmap; we’re looking for the builders who see the cracks in the Internet that everyone else has simply learned to live with. We value candidates who have the instinct to spot a "normalized" problem and the AI-native curiosity to create a solution ...
Available Locations: Austin,TX and Washington, D.C.
Key Responsibilities
While the majority of our services are now written in Go and TypeScript, you will also work with technologies such as Rust, Kafka, Redis, Kubernetes, Terraform, and PostgreSQL. We also pride ourselves in dogfooding our own products and services so you will be extensively working with Cloudflare’s developer platform as well. We are looking for great engineers regardless of experience with any of these specific technologies.
Design, build, run, and scale distributed tools and services that translate security tradecraft into scalable, evidence-based systems and workflows.
Partner with security practitioners to understand workflows, bottlenecks, and opportunities for automation.
Improve system design and architecture to ensure stability, performance, and maintainability of both internal and customer-facing services.
Analyze, communicate, and help prioritize complex technical concepts across teams.
Mentor and guide other developers in the team, helping to build collective technical expertise and promote best practices for writing well-tested, modular, and reusable code.
This role may require flexibility to be on-call outside of standard working hours to address technical issues as needed.
Required Skills & Abilities
Working knowledge of cybersecurity concepts such as threat modeling, attack techniques, trust boundaries, exploitability, and defensive controls
Familiarity with incident response workflows, network containment, and remediation
Practical experience in vulnerability research/exploit development and translating findings into actionable mitigations
Experience with AI-assisted development and designing agentic AI workflows
At least 5 years of experience building large-scale software applications, preferably distributed systems
Experience designing and integrating RESTful APIs and/or gRPC services
Knowledge of SQL and common relational database systems such as PostgreSQL
Ability to independently define and deliver solutions in ambiguous problem spaces
Prior experience writing production-ready code in Go and/or TypeScript
Excellent debugging and optimization skills
Expertise in writing well-tested code
Interest in opportunities to be a technical mentor for teammates
Application security, security research, or security automation experience
Deep understanding of DNS, TLS/SSL and HTTP
Experience evaluating probabilistic systems
Qualifications
Experience:
5 years experience
