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Description

AWS Infrastructure Services owns the design, planning, delivery, and operation of all AWS global infrastructure. In other words, we’re the people who keep the cloud running. We support all AWS data centers and all of the servers, storage, networking, power, and cooling equipment that ensure our customers have continual access to the innovation they rely on. We work on the most challenging problems, with thousands of variables impacting the supply chain — and we’re looking for talented people who want to help.

You’ll join a diverse team of software, hardware, and network engineers, supply chain specialists, 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.

We're looking for a passionate Software Development Engineer to drive the evolution of Route 53 Resolver DNS Firewall and Route 53 Profiles. This is a unique opportunity to own critical infrastructure that protects thousands of organizations worldwide from DNS-based threats while simplifying DNS management at scale. You'll design and build solutions that expand our global footprint, enhance our security capabilities, and create operational excellence for services that handle billions of DNS queries daily. If you're excited about solving complex distributed systems challenges, thrive in customer-obsessed environments, this role is for you.

Key job responsibilities

In this role you will -

Design, develop, and deploy scalable systems that enable global expansion of our DNS security and management services across AWS regions and availability zones.

Build and integrate AI, ML and generative AI models for DNS threat detection, supporting real-time identification of anomalous or malicious domain traffic patterns.

Lead the design and deployment of distributed systems for DNS security analytics and policy enforcement, balancing low latency with high throughput.

Collaborate with applied scientists to bring machine learning research into production systems with operational rigor.

Drive the development of configuration APIs, security features, and tools to manage DNS filtering policies and cross-account resource sharing.

Mentor and support junior engineers while establishing best practices for resilient, customer-focused systems.

Coordinate with product management and partner teams to prioritize features and deliver end-to-end customer value.

A day in the life

On a “typical” day you may -

Attend team reviews of service metrics and operational health or design reviews for a new feature.

Dive deep in code implementing a system to optimize deployment of the service infrastructure in a newly launched AWS region.

Collaborate with product managers to prioritize customer requests, or partner with support teams to investigate and resolve a complex customer issue. Lead a technical discussion with junior team members about optimizing a data pipeline for filtering DNS queries at scale.

Throughout the day, you'll balance immediate operational needs with long-term architectural improvements, all while keeping customer experience at the forefront of your decisions.

About the team

Our team own, develop and operate services created in response to customer demand for enhanced DNS security and centralized DNS management. Our team operates at the intersection of distributed systems, cloud security, and networking. In addition to owning high-scale, globally distributed infrastructure, we are advancing the state of DNS security through the development of ML and generative AI models. These models help detect sophisticated DNS threats. Our work directly safeguards mission-critical workloads for a wide range of AWS customers.

We have a strong engineering culture rooted in operational excellence, innovation, and customer obsession. Engineers on our team contribute to production-scale ML model development, participate in region builds, and help design scalable systems that defend against evolving threat vectors. Whether you’re building the next generation of intelligent detection pipelines or improving tooling for global DNS resolution, you’ll find a home with us.

Diverse Experiences

Amazon values diverse experiences. Even if you do not meet all of the preferred qualifications and skills listed in the job description, we encourage candidates to apply. If your career is just starting, hasn’t followed a traditional path, or includes alternative experiences, don’t let it stop you from applying.

Why AWS

Amazon Web Services (AWS) is the world’s most comprehensive and broadly adopted cloud platform. We pioneered cloud computing and never stopped innovating — that’s why customers from the most successful startups to Global 500 companies trust our robust suite of products and services to power their businesses.

Work/Life Balance

We value work-life harmony. Achieving success at work should never come at the expense of sacrifices at home, which is why we strive for flexibility as part of our working culture. When we feel supported in the workplace and at home, there’s nothing we can’t achieve in the cloud.

Inclusive Team Culture

Here at AWS, it’s in our nature to learn and be curious. Our employee-led affinity groups foster a culture of inclusion that empower us to be proud of our differences. Ongoing events and learning experiences, including our Conversations on Race and Ethnicity (CORE) and AmazeCon (gender diversity) conferences, inspire us to never stop embracing our uniqueness.

Mentorship and Career Growth

We’re continuously raising our performance bar as we strive to become Earth’s Best Employer. That’s why you’ll find endless knowledge-sharing, mentorship and other career-advancing resources here to help you develop into a better-rounded professional.

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

- 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 https://amazon.jobs/content/en/how-we-hire/accommodations for more information. If the country/region you’re applying in isn’t listed, please contact your Recruiting Partner.