Treatwell is seeking a Senior Application Security Engineer to own application security across Product Engineering and to lead the security tooling strategy. You will work hands-on with Java, Spring Boot, Ruby on Rails, Type Script frontends, and native mobile apps, integrating SAST, Defect Dojo, and related workflows across Git Lab CI, ArgoCD, and Git Hub Actions on AWS/Kubernetes.
You will drive threat modelling, ensure secure defaults, triage findings, and present the security posture to senior