Software Development Engineer, Region Reliability Engineering

Application deadline: Oct 11 2026

Are you passionate about building tools that empower teams across all of Amazon Web Services Join us as a Software Development Engineer II where youll 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 youll design and implement solutions for difficult technical problems working with a talented team of Software Development Engineers and System Development Engineers. Youll take feature requirements from concept through delivery making design decisions and navigating trade-offs independently. Beyond your own contributions youll 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 dialog

A day in the life
Your typical day involves owning and delivering features for internal tools that impact teams across AWS. Youll 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 systems reliability or performance. You balance hands-on coding with the broader thinking needed to make sound technical trade-offs.

Youll 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 youll 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 were creating the foundational tools that enable AWS to continue innovating for customers worldwide.

About the team
Why AWS
Amazon Web Services (AWS) is the worlds most comprehensive and broadly adopted cloud platform. We pioneered cloud computing and never stopped innovating thats 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 other words were 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 were looking for talented people who want to help.

Inclusive Team Culture
Here at AWS its 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 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 theres nothing we cant achieve in the cloud.

Mentorship and Career Growth
Were continuously raising our performance bar as we strive to become Earths Best Employer. Thats why youll find endless knowledge-sharing mentorship and other career-advancing resources here to help you develop into a better-rounded professional.

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 hasnt followed a traditional path or includes alternative experiences dont let it stop you from applying.

- Bachelors 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 above

- Bachelors 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 experience

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 youre applying in isnt 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 CO Denver - 143700.00 - 194400.00 USD annually