Senior Penetration Tester (Fintech)

TL;DR

Senior Penetration Tester (Fintech): Performing proactive security assessments, code reviews, and threat modeling for high-impact financial systems with an accent on AI-assisted tools and blockchain security. Focus on designing and implementing fixes for critical vulnerabilities and scaling the offensive security program through automation.

Location: Bellevue, WA (Hybrid: in-person attendance expected at least 3 days per week). Restricted to US citizens or lawful permanent residents.

Salary: $146,000 - $220,000 USD (base pay range depends on location zone)

Company

hirify.global is a financial services company on a mission to democratize finance for all.

What you will do

• Perform application security assessments, including manual penetration testing and code reviews primarily in Go and Python.
• Develop and operate AI-assisted tools such as LLM-based code review and agentic recon pipelines to increase testing throughput.
• Conduct threat modeling for high-impact systems and triage bug bounty submissions.
• Collaborate cross-functionally with engineers to mitigate issues and contribute direct code fixes via pull requests.
• Research emerging threats to AI/ML systems and blockchain security, including custody and signing flows.
• Share technical insights with the wider security community through blog posts and industry conferences.

Requirements

• 5+ years of experience in penetration testing, application security, or security engineering.
• Must be a US citizen or lawful permanent resident.
• Proficiency in auditing and exploiting Go and Python services.
• Experience targeting AI/ML systems (prompt injection, RAG pipelines, agentic frameworks).
• Working knowledge of cryptocurrency and blockchain security (on-chain integrations, wallet design).
• Hands-on experience with AWS/GCP, Docker, and Kubernetes.

Nice to have

• Experience in the fintech industry or other highly regulated environments.
• A strong passion for fixing vulnerabilities rather than just identifying them.
• Proven history of creatively solving complex security problems.

Culture & Benefits

• Performance-driven compensation including bonus programs, equity ownership, and 401(k) matching.
• Comprehensive health benefits with 100% paid insurance for employees.
• Flexible lifestyle wallet for wellness and continuous learning.
• Generous time-off policy including company holidays, paid time off, and parental leave.
• Premium office experience featuring catered meals and high-quality workspaces.