Software Dev Engineer I - Compiler, Graviton Software, Annapurna Labs

Amazon
Amazon

Austin, TX, USA

Posted on Jul 3, 2026

Description

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. For the past 3 years, Graviton has powered the majority of new EC2 capacity and is used by over 98% of our 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++/Rust debugging to assembly-level optimization. Our team optimizes a diverse range of applications including databases, web services, games, video encoding, ML, and HPC workloads.

This doesn’t mean you have or will have all those skills, but you’ll have a chance to learn from those who do. This is a unique opportunity to impact how software runs in AWS, while growing your technical breadth and depth.

Key job responsibilities

Performance Optimization & Analysis
- Enhance architectures and algorithms for optimal performance
- Use tools like Aperf, sysstat, sysctl, perf to identify bottlenecks
- Monitor and analyze processor, OS, and workload metrics
- Optimize software performance for AWS customers and AWS services (such as S3, Lambda, EMR, ElastiCache, RDS ..etc)
Open Source Development
- Contribute to Linux kernel improvements
- Contribute to various other open source projects
- Develop analysis frameworks and automation systems
Tool(s) Development
- Enhance APerf (our open-source Rust-based performance tool)
- Create new performance analysis features
- Build and maintain automation solutions

A day in the life
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