What are the responsibilities and job description for the Application Security Engineer position at Stellar IT Solutions?
Position: Application Security Engineer (Senior AppSec)
Location: Remote
Duration: 6-12 Months Contract
Role Overview
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.
Key Responsibilities
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Validate AIgenerated vulnerability findings (e.g., from Anthropic s 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.
Required Skills
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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.
Ideal Profile
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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.
Salary : $60 - $70