The Senior Application Security Engineer is responsible for helping secure the Paymentus Saa S platform by partnering directly with software engineering, product, cloud infrastructure, Dev Ops, and security teams to identify, assess, and remediate application security risks across web applications, RESTful APIs, microservices, cloud-native services, and AI-enabled application components.This is a hands‑on technical role reporting to the Manager of Platform Security. The Senior Application Security Engineer will perform secure design reviews, threat modeling, source code review, API security assessments, application security testing, vulnerability validation, and remediation guidance for applications and services that support Paymentus’