As a Senior Product Security Engineer, you'll be hands on coding our product security across one or more product areas. You'll run security reviews, perform hands-on pentests, ship code and fixes directly into product repos, and drive SOC2 and risk-framework work across R&D - Engineering. This is an outstanding opportunity to work with AI Powered products at the intersection of blockchain data, AI and Security. Product Security at Chainalysis keeps our SaaS platform - used by governments, banks, and crypto exchanges to investigate financial crime - secure by design. We partner directly with product and platform engineering on threat modeling, design reviews, penetration testing, and remediation of findings across our AWS and Kubernetes estate. In this role, you'll: • Build Product Security across Chainalysis' SaaS offerings, partnering with product and platform engineering teams on design, code, and remediation • Drive Security Code Reviews for new product launches - including custom penetration tests • Provide security review and guardrails for internal AI platforms and coding agents (LLM gateways, prompt/response controls) • Create threat modeling, secure design reviews, and static/dynamic code analysis across the SDLC • Build security automation into our CI/CD pipelines • Participate in a shared on-call rotation for high-severity production security incidents We're looking for candidates who have: • 5+ years of application security engineering experience • Strong production coding ability in at least one of Java (preferred), TypeScript/JavaScript, Python, or Go - enough to perform deep code review, write proof-of-concept exploits, and contribute fixes directly into product repos • Building security automation into CI/CD pipelines • Hands-on penetration testing of production SaaS applications, including custom tests scoped to new product launches • Identifying and remediating common web application vulnerabilities (OWASP Top 10) • Experience securing internal AI/LLM platforms and coding agents (model gateways, prompt/response controls, agent permissioning) Nice to have experience: • Experience in Web3, Blockchain or Digital Assets • Experience building AI workflows, agents, and guardrailing Technologies we use: • Cloud and containers: AWS, GCP, Kubernetes (EKS/GKE) • Infrastructure-as-Code: Terraform • Security tooling: Wiz, SonarCloud, Burp, Cloudflare • CI/CD and source control: GitHub, GitHub Actions, Artifactory and related build/deploy tooling • Languages and scripting: Java, JavaScript, Python, Go • AI Coding Agents, Tooling, Systems