Lead Software Engineer – DNS Infrastructure & Scale

Amazon Web Services (AWS); Herndon (VA); On-site; USD 144,000 - 194,000; Full time

Benefits offered by this job

Health insurance

401(k) matching

Paid time off

Parental leave

Job summary

Amazon Development Center U.S., Inc. in Herndon, VA seeks a senior software engineer to design, build, and operate highly available DNS infrastructure at scale. You will lead feature work across Private DNS, DNS Firewall, DNS resolver, and health checks, while ensuring 100% availability and robust security.

Join a collaborative team that drives crossing AWS integrations, traffic management, and routing capabilities, mentoring others and raising the technical bar in production systems.

Qualifications

• 3+ years of non-internship professional software development experience.
• 2+ years of non-internship design or architecture of new and existing systems.
• Experience programming with at least one modern language such as Java, C++, or C# including object-oriented design.

Responsibilities

• Design, develop, and maintain highly available, scalable distributed systems for Amazon Route 53's DNS infrastructure operating across 50+ locations.
• Lead initiatives to build new features like Private DNS, DNS Firewall, DNS resolver, health checks, and security services.
• Own the full software development lifecycle—from architecture to deployment—while maintaining a 100% availability SLA.

Skills

Java

C++

C#

OO design

DNS/DHCP/TCP

Education

Bachelor's degree in computer science

Job description

Amazon Development Center U.S., Inc. in Herndon, VA seeks a senior software engineer to design, build, and operate highly available DNS infrastructure at scale. You will lead feature work across Private DNS, DNS Firewall, DNS resolver, and health checks, while ensuring 100% availability and robust security.

Join a collaborative team that drives crossing AWS integrations, traffic management, and routing capabilities, mentoring others and raising the technical bar in production systems.