CareerPlan

Senior Product Security Engineer

Seattle OfficeFull-time2026-10-15 → 2026-11-10

Core

Lead security architecture and design reviews, conduct threat modeling, and assess security risks for complex applications, APIs, and distributed systems to ensure secure development and delivery.

Role type

Senior IC product security engineer (application security & architecture)

Builds

Secure products and services for millions of users via financial data connectivity

Domain

Fintech / Application Security

Required skills

secure architecture design, application security fundamentals, threat modeling, code review, vulnerability assessment, authentication/authorization design, cloud-native security, risk prioritization, secure design patterns

Preferred skills

AI-powered application security, agentic workflow security, penetration testing, vulnerability research, financial technology security

Technologies

AI-assisted security analysis tools, cloud-native platforms, distributed systems frameworks

Responsibilities

Lead security architecture and design reviews for high-priority products; Conduct threat modeling and technical security assessments of complex applications and APIs; Evaluate authentication, authorization, trust boundaries, and sensitive data flows; Review application code and validate security fixes; Assess security implications of new technologies including AI-powered applications; Partner with engineering leadership to prioritize and mitigate material security risks; Define reusable security requirements and secure design patterns; Leverage AI-assisted security analysis to improve assessments.

Seniority

Senior, hands-on IC