Software Development Engineer, AWS NAT Gateway

AWS Networking Services & Edge team owns the design, infrastructure and operation of AWS networking services. In other words, we're the people who keep the cloud running. We support the networking services across all AWS data centers and ensure customers have continual access to the innovation they rely on. We work on the most challenging problems, with thousands of variables impacting the networking eco system and we're looking for talented people who want to help.

You'll join a diverse team of software, hardware, and network engineers, security experts, operations managers, and other vital roles. You'll collaborate with people across AWS to help us deliver the highest standards for safety and security while providing seemingly infinite capacity at the lowest possible cost for our customers. And you'll experience an inclusive culture that welcomes bold ideas and empowers you to own them to completion.

AWS NAT Gateway team is looking for a Software Development Engineer for a critical part of its service that will deliver enhanced security and visibility capabilities. This team owns the external facing NAT Gateway service ( which is an important part of customer networking architecture. This is a balanced team of senior and junior engineers that has proven it can deliver very important features for our customers.

This engineer will work on a key part of the service, setting the team culture, best practices, mentoring, and delivering on the product roadmap. The successful candidate will be comfortable dealing with ambiguity, be very customer-centric and able to think big!

The ideal candidate will be passionate about the potential of cloud computing as well as about building great resilient, scalable and high-performance distributed services. This candidate has thrived and succeeded in delivering high quality technology products/services in a rapid growth environment exhibiting abilities to prioritize well, communicate clearly and understand how to drive a high level of focus and excellence with a strong team. This person has a proven track record of building a culture centered on customer focus, efficient execution, high quality, rigorous testing, deep monitoring, and solid deployment practices. AWS in general, and this business in particular, operates at very large scale and on critical workloads, so a passion and discipline around operational excellence is key. A high level of ownership and accountability is a must.

The enhanced NATGW capabilities will allow customers to have visibility into, and exert control over all internet-bound activities. NAT Gateway enables customers to connect their private subnet resources to the internet while maintaining security and control. The service provides centralized security controls to avert data leak threats, offering thorough visibility into outbound traffic patterns, along with authentication and destination filtering capabilities to ensure that you don't have unauthenticated or compromised workloads in your environment trying to leak data to untrusted destinations.

With a balanced team of junior and senior engineers and a healthy operational load, this team needs your help to balance the challenges of growing the team, providing operational and technical guidance and mentoring, and delivering amazing features. It's a fun team with an exciting future come work hard, play hard, and change the world!

Key job responsibilities

AWS NAT Gateway track egress connections and protects customer workloads from network threats. As an SDE II on the NAT Gateway team, you will build and scale the core NAT gateway service and infrastructure that supports billions of packets daily across AWS regions.

What You'll Do:

- Design and implement high-performance NAT Gateway services that process customer traffic at scale

- Build distributed systems that deliver sub-millisecond latency while maintaining security

- Optimize packet processing pipelines to handle increasing traffic volumes

- Collaborate with security teams to implement new threat detection capabilities

- Participate in on-call rotation to ensure service availability

What We're Looking For:

- 3+ years of professional software development experience

- Strong programming skills in Java, C++, or Rust

- Experience building distributed systems or network services

- Understanding of networking protocols (TCP/IP, TLS,

About the team

The AWS NAT Gateway team builds and operates the core NAT gateway services and infrastructure that protects customer workloads from network threats. The team designs high-performance distributed systems that supports billions of packets daily across AWS regions, delivering sub-millisecond latency while maintaining security. Engineers on this team solve complex challenges in packet processing, threat detection, and scalability. The proxy service processes customer traffic in real-time, blocking malicious activity before it reaches applications. This team's work directly impacts AWS customers' security posture, enabling them to run workloads safely in the cloud. The team collaborates closely with security researchers, network engineers, and service teams across AWS.

BASIC QUALIFICATIONS

- 3+ years of non-internship professional software development experience

- 2+ years of non-internship design or architecture (design patterns, reliability and scaling) of new and existing systems experience

- 2+ years of designing and developing large-scale, multi-tiered, multi-threaded, embedded or distributed software applications, tools, systems, and services using: C#, C++, Java, or Perl experience

- Bachelor's degree or foreign equivalent in Computer Science, Engineering, Mathematics, or a related field

- Experience programming with at least one software programming language

PREFERRED QUALIFICATIONS

- 3+ years of full software development life cycle, including coding standards, code reviews, source control management, build processes, testing, and operations experience

- Bachelor's degree in computer science or equivalent

Amazon is an equal opportunity employer and does not discriminate on the basis of protected veteran status, disability, or other legally protected status.

Our inclusive culture empowers Amazonians to deliver the best results for our customers. If you have a disability and need a workplace accommodation or adjustment during the application and hiring process, including support for the interview or onboarding process, please visit for more information. If the country/region you're applying in isn't listed, please contact your Recruiting Partner.

The base salary range for this position is listed below. Your Amazon package will include sign-on payments and restricted stock units (RSUs). Final compensation will be determined based on factors including experience, qualifications, and location. Amazon also offers comprehensive benefits including health insurance (medical, dental, vision, prescription, Basic Life & AD&D insurance and option for Supplemental life plans, EAP, Mental Health Support, Medical Advice Line, Flexible Spending Accounts, Adoption and Surrogacy Reimbursement coverage), 401(k) matching, paid time off, and parental leave. Learn more about our benefits at

USA, WA, Seattle - 143,700.00 - 194,400.00 USD annually