Senior Security Engineer I, Application Security
Core
Design and deploy AI-driven automated security workflows, conduct advanced full-stack code audits, and lead threat modeling for complex payment systems and AI-integrated applications.
Role type
Senior IC Application Security Engineer (AI/LLM focus)
Builds
Automated security controls, secure CI/CD pipelines, and AI-integrated payment applications
Domain
Fintech / Payments / AI Security
Deliverable
production ML models | product features
Required skills
Application Security, Web Application Penetration Testing, Source Code Auditing, Prompt Engineering, LLM Security (Prompt Injection/Insecure Output Handling), Full-Stack Development (Python, Ruby on Rails, Java, JavaScript, Node.js), Cloud Security (AWS), Containerization (Docker), CI/CD Pipeline Management, Cryptography, OAuth2, SAML, SSO, SAST/DAST/SCA Tool Tuning
Preferred skills
AI Pipeline Integration, Building custom LLM wrappers, AI Governance Frameworks
Technologies
Claude, LLM APIs, GitLab CI, AWS, Docker, Python, Ruby on Rails, Java, JavaScript, Node.js
Responsibilities
Design and deploy automated security review workflows using LLMs; Lead secure design reviews and threat modeling; Perform deep-dive source code audits and live application testing; Collaborate with engineering teams to address security issues; Contribute to automated security controls and S-SDLC; Provide hands-on remediation guidance and mentorship.
Seniority
Senior, hands-on IC
