Security Engineer – AI-Powered SecOps & Pentest

Coinflow Labs; United States; Remote; USD 89,000 - 111,000; Full time

Benefits offered by this job

Equity grant

Health benefits

401(k) savings plan

Flexible time off

Job summary

Coinflow is building a next-generation payments platform focused on instant settlement, fraud prevention, and global cross-border capabilities. We are seeking a Security Engineer to own both defensive and offensive security across our stack.

You'll build the SecOps backbone, run internal pentests with Claude Security/Code, and partner with engineering to keep our SDLC fast and secure. This role reports to the CTO and touches every part of engineering.

Qualifications

• 4+ years in security engineering or DevSecOps.
• Hands-on offensive security experience.
• Experience with web/app security across cloud.
• Familiarity with AI-native security tools.

Responsibilities

• SIEM & SecOps dashboard setup and operation.
• Internal penetration testing across services and APIs.
• Vulnerability and dependency management across ecosystems.
• Secure development lifecycle improvements.
• Compliance documentation for PCI DSS, SOC 2, ISO 27001, DORA.
• Security monitoring and incident response workflow.

Skills

Security engineering

Offensive security

TypeScript/Node

Rust/Go/Python

SIEM experience

Cloud security

Pentesting

Threat modeling

Tools

Claude Security

Claude Code

Datadog

Splunk

Elastic

Panther

Job description

Coinflow is building a next-generation payments platform focused on instant settlement, fraud prevention, and global cross-border capabilities. We are seeking a Security Engineer to own both defensive and offensive security across our stack.

You'll build the SecOps backbone, run internal pentests with Claude Security/Code, and partner with engineering to keep our SDLC fast and secure. This role reports to the CTO and touches every part of engineering.