Sr Software Engineer, Graviton Software, Annapurna Labs

OverviewThis opportunity is open for Austin, Cupertino and Seattle. The AWS Graviton Software team is seeking Software Engineers to optimize performance for AWS Graviton. Graviton delivers the best price/performance in AWS data centers and powers the majority of new EC2 capacity. You’ll drive performance optimization across open source projects, internal services, and customer applications, working on a range from Linux kernel development to C++/Rust debugging to assembly-level optimization. This is a unique opportunity to impact how software runs in AWS, while growing your technical breadth and depth.ResponsibilitiesPerformance Optimization & AnalysisEnhance architectures and algorithms for optimal performanceUse tools like Aperf, sysstat, sysctl, perf to identify bottlenecksMonitor and analyze processor, OS, and workload metricsOptimize software performance for AWS customers and AWS services (such as S3, Lambda, EMR, ElastiCache, RDS, etc.)Open Source DevelopmentContribute to Linux kernel improvementsContribute to various other open source projectsDevelop analysis frameworks and automation systemsTool(s) DevelopmentEnhance APerf (our open-source Rust-based performance tool)Create new performance analysis featuresBuild and maintain automation solutionsThe role offers opportunities to work on latest CPU technology while contributing to both AWS and the open source community.Day in the LifeHere at AWS, we embrace our differences. We are committed to furthering our culture of inclusion. We have ten employee-led affinity groups, reaching 40,000 employees in over 190 chapters globally. We have innovative benefit offerings, and host annual and ongoing learning experiences, including our Conversations on Race and Ethnicity (CORE) and AmazeCon (gender diversity) conferences. Amazon’s culture of inclusion is reinforced within our 16 Leadership Principles, which remind team members to seek diverse perspectives, learn and be curious, and earn trust.Work/Life BalanceOur team puts a high value on work-life balance. It isn’t about how many hours you spend at home or at work; it’s about the flow you establish that brings energy to both parts of your life. We believe striking the right balance between your personal and professional life is critical to life-long happiness and fulfillment. We offer flexibility in working hours and encourage you to find your own balance between your work and personal lives.Mentorship & Career GrowthOur team is dedicated to supporting new members. We have a broad mix of experience levels and tenures, and we’re building an environment that celebrates knowledge sharing and mentorship. We care about your career growth and strive to assign projects based on what will help each team member develop into a better-rounded professional and enable them to take on more complex tasks in the future.About the teamThe Graviton Software organization ports, optimizes, and develops software to drive down the cost of adoption and operation for the AWS Graviton instances. We pro-actively improve and upstream open source software, including Linux kernel, operating system, compilers, libraries, and applications. We help internal and external customers to troubleshoot and fix performance bottlenecks that prevent them from using Graviton. We develop tools to automate most of the heavy lifting and maintain publicly available documentation: Graviton Developer Guide on GitHubBasic Qualifications5+ years of non-internship professional software development experience5+ years of programming with at least one software programming language experience5+ years of leading design or architecture (design patterns, reliability and scaling) of new and existing systems experience5+ years of full software development life cycle, including coding standards, code reviews, source control management, build processes, testing, and operations experiencePreferred QualificationsBachelor’s degree in computer science or equivalentExperience as a mentor, tech lead or leading an engineering teamAmazon 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.Our compensation reflects the cost of labor across several US geographic markets. The base pay for this position ranges from $151,300/year in our lowest geographic market up to $261,500/year in our highest geographic market. Pay is based on a number of factors including market location and may vary depending on job-related knowledge, skills, and experience. Amazon is a total compensation company. Dependent on the position offered, equity, sign-on payments, and other forms of compensation may be provided as part of a total compensation package, in addition to a full range of medical, financial, and/or other benefits. For more information, please visit . This position will remain posted until filled. Applicants should apply via our internal or external career site.Posted: January 21, 2026 (Updated about 14 hours ago)Posted: January 24, 2026 (Updated 1 day ago)Posted: January 5, 2026 (Updated 1 day ago)Posted: January 23, 2026 (Updated 1 day ago)Posted: January 8, 2026 (Updated 1 day ago)Share this jobImportant FAQs for current Government employeesBefore proceeding, please review the following FAQsis an equal opportunity employer and does not discriminate on the basis of protected veteran status, disability, or other legally protected status.#J-18808-Ljbffr