Senior Application Security Engineer

Enhance the security of blockchain products by working on smart contracts, backend, and frontend.

• •Polygon Labs is seeking a Senior Application Security Engineer to enhance the security of its blockchain products.
• •This role involves working across smart contracts, backend services, and frontend applications to build and ship secure code at scale.
• •Key Responsibilities Conduct end-to-end security reviews for smart contracts, backend, and frontend surfaces.
• •Build and deploy an agentic security CI/CD pipeline for autonomous code review.
• •Design and maintain AI-powered code reviewers tuned for specific vulnerability classes.
• •Triage and manage the bug bounty program, ensuring timely and accurate issue resolution.
• •Collaborate with engineering teams throughout the development lifecycle to embed security practices.
• •Requirements Full-stack security fluency across Solidity, Go, TypeScript, and Python.
• •Core competency in smart contract security, including EVM internals and DeFi protocol patterns.
• •Proven depth in building custom AI workflows for security tasks.