Senior Security Engineer I, Application Security

Overview

Senior Security Engineer I focused on Application Security, bridging security architecture with CI/CD automation and LLM-driven security workflows.

What you'll do

• Design and deploy automated security review workflows in the CI/CD environment using LLM APIs.
• Lead secure design reviews and perform advanced threat modeling for payment systems and AI-integrated applications.
• Collaborate between Security and Engineering teams to identify and address security issues.
• Oversee deep-dive technical reviews including source code audits and live application testing on high-risk features.
• Contribute ownership for automated security controls across the secure software development lifecycle (S-SDLC).
• Provide hands-on remediation guidance and mentor junior security/software engineers and product team members.

What you'll need

• 5+ years in application security.
• Proven experience performing web application penetration tests and vulnerability research.
• Essential experience with source code auditing, product assessments, and interaction with product teams.
• Experience building security tools and an automation-first approach.
• Demonstrated prompt engineering ability using tools like Claude for security tasks.
• Deep practical knowledge of defending against Prompt Injection, Insecure Output Handling, and Model Inversion for LLMs.
• Experience with Python, Ruby on Rails, Java, and modern web development (JavaScript, Node.js, etc.).

Details

• Work mode: Li-Hybrid (hybrid).
• Location: Bengaluru, KA, India.