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April 19, 2025

Principal Compiler Backend Engineer, Graviton Software

Senior • On-site

$180,100 - $311,200/yr

Austin, TX , +2

DESCRIPTION

The AWS Graviton CPU based instances offer the best price/performance in AWS data centers, designed to deliver significant advancements in computing performance and efficiency. These instances are built end-to-end by AWS, providing us a unique opportunity to innovate and enhance how software runs in the largest data centers. For the past 2 years the majority of the new EC2 capacity is Graviton based, and it is used by over 90% of our 1,000 largest customers.

The Graviton Software team is dedicated to ensuring that all software used by our customers and Amazon teams fully leverage the Graviton hardware. We lead open-source development initiatives and collaborate closely with the AWS Annapurna team to design and build sustainable hardware and software solutions.
Our goal is to optimize performance across a wide range of applications, including databases, media, rendering engines, machine learning, high-performance computing, and libraries. Since we designed and built all the hardware and software components, we have the insights for advancement in the compiler field that was previously not possible due to the fragmentation.

Key job responsibilities
As a Compiler Principal Software Engineer, you will responsible for the technical strategy and direction optimizing code generation for Arm CPU cores using GCC and LLVM. You are passionate in advancing compiler technology; you will lead the design and development of new Graviton-specific features, upstream them to the open-source projects, and drive initiatives across the organization. You will be working closely with PEs and VPs responsible for the hardware and firmware design. In this role, you will have the opportunity to dive deep into code generation on a CPU where we have full visibility on micro-architecture level, and shaping the future of compiler technology and CPU architecture.

BASIC QUALIFICATIONS

- At least 10 years of programming experience using C or C++
- 5+ years of experience in compiler backend development and/or optimization
- Previous experience with CPU architecture and micro-architecture, including SIMD

PREFERRED QUALIFICATIONS

- Experience with multiple toolchains, compilers, and Instruction Set Architectures
- Experience contributing to open-source projects like GCC, LLVM or similar
- Experience leading and mentoring engineers

Amazon is committed to a diverse and inclusive workplace. Amazon is an equal opportunity employer and does not discriminate on the basis of race, national origin, gender, gender identity, sexual orientation, protected veteran status, disability, age, 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.

Our compensation reflects the cost of labor across several US geographic markets. The base pay for this position ranges from $180,100/year in our lowest geographic market up to $311,200/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 https://www.aboutamazon.com/workplace/employee-benefits. This position will remain posted until filled. Applicants should apply via our internal or external career site.