Application Security Engineer
St. Louis, MO - USA
Job Summary
Location: Remote
Duration: 6-12 Months Contract
We are seeking experienced Senior Application Security Engineers to join our team and play a critical role in validating AIgenerated vulnerability findings and translating them into actionable technical remediation. This position requires strong expertise in application and product security combined with a deep understanding of how vulnerabilities map to code and how developers remediate them in production environments. The ideal candidate will have a background as a software engineer who transitioned into AppSec bringing both security insight and practical development knowledge.
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Validate AIgenerated vulnerability findings (e.g. from Anthropics Mythos) and assess exploitability severity and business impact.
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Trace vulnerabilities to their technical root cause at the code level.
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Collaborate with development teams to design and implement secure remediation strategies.
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Conduct secure code reviews threat modeling and vulnerability assessments.
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Define and enforce secure SDLC practices across product teams.
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Provide guidance on API security OWASP Top 10 risks and secure design principles.
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Partner with product owners and engineering teams to ensure vulnerabilities are remediated effectively and deployed safely.
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Document findings remediation steps and best practices to strengthen organizational security posture.
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Strong background in Application Security / Product Security.
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Handson experience with OWASP Top 10 SAST vulnerability assessment secure SDLC threat modeling code review API security.
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Ability to validate findings assess severity and trace vulnerabilities to root cause.
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Experience working directly with developers to remediate vulnerabilities.
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Strong communication skills to bridge security and engineering teams.
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A software engineer turned AppSec professional someone who understands both the security problem and how developers actually fix it.
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Proven ability to work across multiple product teams enabling secure development practices.
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Experience with modern CI/CD pipelines and integrating security tooling into developer workflows.
Required Skills:
Vulnerabilitythreatsecurity