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Senior Software Engineer, Application Security

Decagon· Engineering
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San Francisco, New York City$200k - $400kFull-timePosted 1mo ago

About the role

Lead the application security strategy and implementation for Decagon AI's conversational platform serving enterprise customers at scale, partnering with engineering teams to build security into AI-powered applications and protect against application-layer threats while maintaining performance and reliability.

Responsibilities

  • Design and implement application security controls across our AI agent platform, including secure coding practices, threat modeling, and vulnerability management.
  • Collaborate closely with product engineering teams to integrate security throughout the software development lifecycle, from design, coding, PR, and deployment
  • Establish application security testing programs including static analysis (SAST), dynamic analysis (DAST), and interactive testing (IAST) tailored for AI applications
  • Lead security code reviews and architecture assessments for new features, with special focus on AI model integration points and customer data handling
  • Build security tooling and automation to enable developers to identify and remediate vulnerabilities quickly while maintaining development velocity
  • Respond to security incidents involving application vulnerabilities, coordinating remediation efforts and post-incident improvements

Qualifications

  • Have 5+ years of hands-on application security engineering experience
  • Expertise in secure software development practices, including threat modeling, secure code review, and vulnerability assessment
  • Strong software engineering background with ability to review code across multiple languages and frameworks commonly used in AI/ML applications
  • Experience implementing application security testing tools and integrating security into CI/CD pipelines
  • Knowledge of OWASP Top 10, common application vulnerabilities, and modern application security frameworks
  • Proven track record working with engineering teams to remediate security findings while balancing security and business requirements

Skills

Required:Application security engineeringSecure SDLC integrationSecurity testing tools
Nice to have:AI/ML security considerations

Benefits

  • Medical, Dental, and Vision benefits for you and your family
  • Life Insurance and Disability Benefits
  • Retirement Plan (e.g., 401K, pension)
  • Parental Leave
  • Fertility and family building benefits through Carrot
  • Monthly stipend to support your wellness, lifestyle, and work-life balance
  • Daily lunches and snacks in the office to keep you at your best
  • Take what you need vacation policy (subject to local requirements; UK employees receive 25 days of statutory leave)
Last updated Oct 1, 2026. Interested? Apply on the company site.

About Decagon

Conversational AI for Customer Experience

Reimagine your customer experience with AI agents, built for the enterprise.

AI agentsCXConversational AICustomer Experienceai-agents-and-applicationsorchestrationvoice-ai-stackwing-list-2026
Company profileWebsite

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