Senior Product Security Engineer, Security Platform

📋 Description Drive AppSec tooling (SAST/SCA/secrets) and close gaps with Eng teams. Collaborate to drive secure software design and reduce risk. Build internal tooling for secure-by-default configurations. Write robust Go/Python; may work on frontend. Prioritize UX for internal devs; make security libraries easy to use. Empower engineers to make informed security decisions at scale. 🎯 Requirements 5+ years in security-focused software; Go, Python, and JavaScript; strong tests. Experience building threat models and abuse/misuse cases. Knowledge of hardware/software supply chain security. Understand OWASP Top Ten; clearly communicate security topics. Partner with internal eng teams to tackle security across the stack. 🎁 Benefits Cutting-edge tech with growth mindset and ownership. Career development resources and LinkedIn Learning access. Comprehensive benefits including EAP, local meetups, flexible time off. Equity compensation and Employee Stock Purchase Program. Lumen Dynamics is an equal-opportunity employer.