Coinflow Labs
Security Engineer
$145K–$195K
Chicago · On-site · Full-time · Posted May 14, 2026
- Experience
- 4+ years; ideally at a fintech, payments company, or other regulated environment.
About the job
Own Coinflow’s defensive and offensive security posture by building SecOps capabilities, testing systems for vulnerabilities, and helping engineering ship code securely.
What you'll do
- Stand up and operate a SIEM and build a security operations dashboard.
- Conduct internal penetration tests, document findings, and drive remediation.
- Manage vulnerabilities and dependencies, improve the secure development lifecycle, and support compliance evidence and monitoring.
What they ask for
- 4+ years in security engineering, product security, or DevSecOps.
- Hands-on web application, API, cloud, and infrastructure penetration-testing skills.
- Production experience operating a SIEM and building dashboards.
- Fluency in TypeScript/Node and comfort with Rust, Go, or Python; experience with vulnerability management at scale.
Pay
$145,000 to $195,000 USD (base salary)
Tools
Datadog, Splunk, Elastic, Panther, TypeScript/Node, Rust, Go, Python
AI focus
Use AI-native security tools such as Claude Security and Claude Code for internal penetration testing, code review, remediation, reconnaissance, fuzzing, and exploit development.
Model-written summary · the original posting is authoritative