Software Development Engineer, Route 53 - DNS Security and DNS Management

AWS Infrastructure Services is seeking a Software Development Engineer to drive the evolution of Route 53 Resolver DNS Firewall and Route 53 Profiles. This role offers a unique opportunity to own critical infrastructure protecting thousands of organizations from DNS-based threats while simplifying DNS management at scale. The position involves designing and building solutions that expand our global footprint, enhance security capabilities, and create operational excellence for services handling billions of DNS queries daily.

The team operates at the intersection of distributed systems, cloud security, and networking, advancing DNS security through ML and generative AI model development. You'll work on high-scale, globally distributed infrastructure while helping detect sophisticated DNS threats. The role combines immediate operational needs with long-term architectural improvements, all while maintaining customer focus.

Key responsibilities include designing scalable systems for global DNS security services, building AI/ML models for threat detection, leading distributed systems design, developing configuration APIs, mentoring junior engineers, and coordinating with product management. A typical day involves reviewing service metrics, implementing infrastructure optimizations, collaborating with product managers, and leading technical discussions.

The team has a strong engineering culture focused on operational excellence, innovation, and customer obsession. Whether building intelligent detection pipelines or improving global DNS resolution tooling, you'll contribute to protecting mission-critical workloads for AWS customers worldwide. The position offers opportunities for mentorship, career growth, and work-life harmony while being part of Amazon's inclusive culture that values diverse experiences and perspectives.

This role is ideal for engineers passionate about distributed systems, security, and building customer-focused solutions at scale. You'll join a team that combines technical excellence with real-world impact, protecting organizations while advancing the state of DNS security technology.