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# Security Engineer

- **Company:** NEW RAINMAKERS LLC
- **Location:** United States (Remote available)
- **Experience:** Expert
- **Salary:** $200,000.0 - $260,000.0
- **Contract:** Permanent contract
- **Skills:** Artificial Intelligence, Catalyst (Software), Software as a Service, Cloud Computing, Cloud Computing Security, Python (Programming Language), TypeScript, Lightspeed, Large Language Models, Agentic-AI, Software Coding, Blockchain Security
- **Published:** November 4, 2026
- **Apply:** https://www.builtincolorado.com/auth/login?destination=/job/senior-security-engineer/12043949

## About the Role

* 5+ years in security engineering, including building tools and controls that run in production
 * Strong coding skills in TypeScript, Go, Rust or Python
 * Experience securing cloud infrastructure, identity and access
 * Ability to find vulnerabilities, prove them, and drive the fix with the team that owns the code
 * Experience at a fintech, payments or crypto company

Nice to have

 * Blockchain security: smart contract review, onchain monitoring, custody and multisig controls
 * AI security: securing LLM applications and agents, or building AI into security workflows
 * Experience running external audits or a bug bounty program