Senior Software Engineer - Infrastructure Security

The Infrastructure Security team at Klaviyo builds cloud-native security services to make secure choices easy for engineers. As a Senior Software Engineer, you will design, build, and maintain cloud-native security services, own components end-to-end, improve availability and scalability, collaborate on system design, and work with Python, Go, AWS, Kubernetes, and Terraform. You will also participate in an on-call rotation and contribute to operational excellence through monitoring, alerting, an

6+ years of experience building and operating cloud-native distributed systems in production. Proficiency in Python or Go. Hands-on experience with AWS, containers and Kubernetes, and infrastructure as code with Terraform. Ability to own services independently, understand scalable multi-tenant architectures, and communicate effectively. Experience participating in on-call and responding to production issues. Mentorship and collaboration skills.