Software Development Engineer, Region Reliability Engineering

Application deadline: Oct 11, 2026Are you passionate about building tools that empower teams across all of Amazon Web Services? Join us as a Software Development Engineer II where you'll own and deliver features for internal platforms that enable AWS teams to deliver exceptional customer experiences at scale. Your work will directly impact how thousands of builders across AWS develop, deploy, and operate services that millions of customers depend on daily.In this role, you'll design and implement solutions for difficult technical problems, working with a talented team of Software Development Engineers and System Development Engineers. You'll take feature requirements from concept through delivery, making design decisions and navigating trade-offs independently. Beyond your own contributions, you'll raise the bar for the team by providing meaningful code review feedback, mentoring newer engineers, and identifying opportunities to improve developer productivity and operational excellence. This is an opportunity for experienced engineers who want to own impactful work while deepening their expertise in distributed systems, cloud infrastructure, and software engineering best practices.This position requires that the candidate selected must currently possess and maintain an active TS/SCI security clearance. The position further requires that, after start, the selected candidate obtain and maintain an active TS/SCI security clearance with polygraph or commensurate clearance for each government agency for which they perform AWS work.Key job responsibilities- Design, implement, and deliver features end-to-end for internal AWS tools and services, owning work from technical design through deployment and ongoing operational support- Solve difficult technical problems across the development stack, evaluating multiple implementation approaches and making sound trade-offs to arrive at solutions that balance customer needs with long-term maintainability- Provide meaningful code review feedback to teammates, including more senior engineers, raising the bar on code quality, testing practices, and engineering standards across the team- Identify and advocate for improvements to developer productivity, operational excellence, and team processes, driving changes that make the team more effective over time- Mentor newer engineers through constructive code reviews, design discussions, and knowledge sharing, helping onboard new team members and accelerating their growth- Collaborate cross-functionally throughout the software development lifecycle, contributing to design reviews, documentation, and stakeholder communication while resolving technical disagreements through constructive dialogA day in the lifeYour typical day involves owning and delivering features for internal tools that impact teams across AWS. You'll spend time designing solutions to technical challenges, writing code, and providing thoughtful code review feedback to teammates. You might lead a design discussion for a new capability, debug a complex issue reported by an internal customer, or identify an opportunity to improve an existing system's reliability or performance. You balance hands-on coding with the broader thinking needed to make sound technical trade-offs.You'll join a collaborative team of Software Development Engineers and System Development Engineers who are passionate about building tools that make AWS teams more effective. Our team values knowledge sharing and mentorship, with a broad mix of experience levels and tenures. As an SDE II, you'll play an active role in onboarding new team members, sharing context about our systems, and helping less experienced engineers grow through pairing and constructive feedback.We care about your career growth and provide opportunities to deepen your technical expertise through increasingly complex challenges. Our team supports an inclusive culture where different perspectives drive innovation, and we strive for flexibility that enables you to bring your best to both work and life. Together, we're creating the foundational tools that enable AWS to continue innovating for customers worldwide.About the teamWhy AWSAmazon 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.AWS Infrastructure Services (AIS)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.Inclusive Team CultureHere 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 conferences, inspire us to never stop embracing our uniqueness.Work/Life BalanceWe 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.Mentorship and Career GrowthWe’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.Diverse ExperiencesAmazon 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.Basic qualifications- Bachelor's degree, or CSSLP (Certified Secure Software Lifecycle Professional)- 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- Current, active US Government Security Clearance of Top Secret with SCI eligibility or abovePreferred qualification - Bachelor's degree in computer science or equivalent- 3+ years of full software development life cycle, including coding standards, code reviews, source control management, build processes, testing, and operations experienceAmazon 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, CO, Denver - 143,700.00 - 194,400.00 USD annually