Plaid

Senior Product Security Engineer

Plaid
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2 days ago
Seattle, WA, USA +2 moreSenior
H1B sponsor

Base Salary

$190k - $263k/yr

Responsibilities

  • Lead security architecture and design reviews for high-priority products from early development through launch.
  • Conduct threat modeling and technical security assessments of complex applications, APIs, distributed systems, and product workflows.
  • Evaluate authentication, authorization, trust boundaries, sensitive data flows, business logic, and potential abuse cases.
  • Review application code, investigate security weaknesses, and validate that proposed fixes address underlying risks.
  • Assess security implications of new technologies, including AI-powered applications and agentic workflows.
  • Partner with engineering leadership to prioritize risks, agree on mitigations, and track remediation or approved risk acceptance.
  • Define reusable security requirements and secure design patterns and help engineering teams implement preventive controls.
  • Use AI-assisted security analysis and testing to improve assessments and validate security assumptions.

Requirements

  • 5+ years of experience in product or application security.
  • Strong expertise in secure architecture, application security fundamentals, and technical risk assessment.
  • Experience leading security design reviews and threat modeling for complex applications, APIs, or distributed systems.
  • Deep understanding of authentication, authorization, trust boundaries, sensitive data protection, and common application security vulnerabilities.
  • Strong software engineering fundamentals, including the ability to read application code, analyze vulnerability paths, and evaluate security fixes.
  • Experience assessing security risks in cloud-native applications and understanding architecture and implementation security implications.
  • Ability to communicate complex security risks, recommend practical mitigations, and influence engineering and product leadership.
  • Ability to work independently in ambiguous environments and collaborate effectively across teams.
  • Preferred experience securing AI-powered applications or agentic systems, conducting penetration testing, performing vulnerability research, or securing fintech products and systems handling sensitive or regulated data.

Benefits

  • Comprehensive medical, dental, vision, and 401(k) benefits.
  • Equity and/or commission may be provided depending on the position offered.
  • Plaid is an equal opportunity employer and provides reasonable accommodations during the recruiting process.

Categories

Plaid

About Plaid

5,001-10,000 employees

Plaid builds APIs and SDKs that let developers and financial institutions connect consumer bank and investment accounts, verify ownership, retrieve transactions, assess income/liabilities, fight fraud, and move money (e.g., ACH/transfer). It sells usage-based access to products like Link, Auth, Transactions, Identity, Income, Liabilities, and Payments. Founded in 2013 and headquartered in San Francisco, Plaid’s network spans 12,000+ financial institutions across the US, Canada, the UK, and Europe, with customers including Venmo, SoFi, and Betterment.

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