Senior Security Engineer - Application Security
K Health · New York, NY · United States · On-site
Pay: USD 150,000 – 200,000 a year
Posted Aug 7, 2026
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About the role: This is an opportunity to join K's critical InfoSec team as a Senior Security Engineer - AppSec and operate with foresight in protecting our infrastructure, applications, cloud security, and customer trust. As a lean team, we span across multiple areas such as AppSec, CloudSec, SecOps, ITSec, and Compliance and apply it towards reading and interpreting architecture, or planning and building out net new security solutions. You will have the autonomy to define and implement cutting-edge security solutions across our entire technical ecosystem, ensuring our innovative work remains robust and compliant against evolving global threats. This role is crucial for establishing and maintaining a world-class security posture, particularly within the sensitive and highly regulated healthcare technology space.
What you will do:
Lead the development and implementation of robust application security protocols throughout the entire Software Development Lifecycle (SDLC).
Partner with engineering teams to incorporate security into architecture, design, development, testing and deployment
Perform hands-on security testing of web applications, APIs, cloud-native services and supporting infrastructure
Build and improve automated security testing within CI/CI pipelines, including static analysis, dependency scanning, secrets detection, container scanning and dynamic testing
Evaluate effectiveness of application security tools, improve tooling output quality and reduce unnecessary findings and developer friction
Develop secure coding standards with developer-focused documentation
Contribute application security expertise to vulnerability management, during security incidents/investigations and post-incident reviews
Evaluate third party applications, libraries and APIs and integrations for security risk
Ensure adherence to relevant healthcare regulatory and compliance requirements (e.g., HIPAA, GDPR, etc.) across all product lines and systems.
What we're looking for:
4+ years of professional experience in application, product or software security, operating as an individual contributor, OR as a software engineer that has pivoted into security
Strong understanding of application security vulnerabilities and attach techniques, including OWASP Top 10 and API security risks
Experience performing manual security testing of modern web applications, APIs and distributed systems
Ability to review application architecture and source code for security weaknesses
Experience integrating application security tools into modern CI/CD workflows
Familiarity with static application security testing, dynamic testing, secrets detection, container security and infrastructure-as-code scanning
Understanding of authentication, authorization, session management, cryptography, secrets management and secure API design
Strong expertise in cloud technology (AWS, GCP, or Azure), modern programming languages, utilization of generative coding…