The AWS Graviton Software team is looking for Sr Software Development Engineers to optimize performance for Graviton processors. AWS Graviton delivers the best price/performance in AWS data centers. For the past 3 years more than half of the new AWS EC2 capacity is Graviton based and it is used by over 98% of our 1000 largest customers. You'll drive performance optimization across open-source projects, internal services, and customer applications, working on everything from Linux kernel development to C++ and Rust code debugging and optimization. Our team works on a diverse range of applications including databases, web services, compilers, video encoding, ML, and HPC workloads. Hardware related knowledge is useful, but not required. Key job responsibilities - Performance Analysis and Optimization: root cause and enhance software architectures, algorithms - Optimize software performance for AWS customers and AWS services: S3, Lambda, EMR, ElastiCache, RDS, and others - Open Source Development: contribute to Linux kernel improvements and other public projects - Develop analysis frameworks and automation systems Basic qualifications - 5+ years of non-internship professional software development experience - 5+ years of programming with at least one software programming language experience - 5+ years of leading design or architecture (design patterns, reliability and scaling) of new and existing systems experience - Experience as a mentor, tech lead or leading an engineering team Preferred qualifications - Knowledge of system performance, memory management, and parallel computing principles - Experience building complex software systems that have been successfully delivered to customers - 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. Los Angeles County applicants: Job duties for this position include: work safely and cooperatively with other employees, supervisors, and staff; adhere to standards of excellence despite stressful conditions; communicate effectively and respectfully with employees, supervisors, and staff to ensure exceptional customer service; and follow all federal, state, and local laws and Company policies. Criminal history may have a direct, adverse, and negative relationship with some of the material job duties of this position. These include the duties and responsibilities listed above, as well as the abilities to adhere to company policies, exercise sound judgment, effectively manage stress and work safely and respectfully with others, exhibit trustworthiness and professionalism, and safeguard business operations and the Company’s reputation. Pursuant to the Los Angeles County Fair Chance Ordinance, we will consider for employment qualified applicants with arrest and conviction records. 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. 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 https://amazon.jobs/en/benefits. USA, CA, Cupertino - 193,300.00 - 261,500.00 USD annually USA, TX, Austin - 168,100.00 - 227,400.00 USD annually