# Vulnerability Defense Software Engineer, Cloudforce One

**Company**: Cloudflare
**Location**: Austin, TX
**Work arrangement**: hybrid
**Experience**: senior
**Job type**: full-time
**Salary**: $150,000 - $206,000
**Category**: Engineering
**Industry**: Technology

**Apply**: https://job-boards.greenhouse.io/cloudflare/jobs/8245503?utm_source=yubhub.co&utm_medium=jobs_feed&utm_campaign=apply
**Canonical**: https://yubhub.co/jobs/job_87530b0c-8d9

## Description

## About the Role

As a Vulnerability Defense Software Engineer on Cloudforce One, you will build and evolve systems that help security practitioners assess technical risk, investigate complex systems, prioritize issues, and deliver actionable guidance to engineering teams.

## Responsibilities

- 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.

## Requirements

- 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.

## Nice-to-Have Skills

- Application security, security research, or security automation experience.

- Deep understanding of DNS, TLS/SSL and HTTP.

- Experience evaluating probabilistic systems.

## Benefits

Cloudflare offers a complete package of benefits and programs to support you and your family, including health and welfare benefits, financial benefits, and time off.

## Skills

### Required
- Go
- TypeScript
- Rust
- Kafka
- Redis
- Kubernetes
- Terraform
- PostgreSQL
- cybersecurity
- threat modeling
- incident response
- vulnerability research
- AI-assisted development

### Nice to have
- application security
- security research
- security automation
- DNS
- TLS/SSL
- HTTP
- probabilistic systems

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Source: [Apply at job-boards.greenhouse.io](https://job-boards.greenhouse.io/cloudflare/jobs/8245503?utm_source=yubhub.co&utm_medium=jobs_feed&utm_campaign=apply)