Full-time

EFA Network Sr. Software Engineer, EFA ML Software Team

Posted by Amazon • Seattle, WA, United States

📍 Seattle, WA 🕒 March 02, 2026

About the Role

Description
Want to help make the next generation of Machine Learning in the cloud possible? Do you have a laser focus on performance in your team's code? We want to talk to you!

We own the user-space software that makes the Elastic Fabric Adapter (EFA) network card work for Machine Learning (ML) and High-Performance Computing (HPC) customers on AWS. Across multiple projects written in C, our team enables customers to network thousands of GPU and CPU instance types to handle the toughest clustered workloads. Lead a dynamic, fast-paced group that has a big impact every day on the hottest companies doing AI and HPC today.

Key job responsibilities
You will help lead a team of obsessed networking developers operating at the highest levels in networking. You will write the highest-performing code in C for multiple open source projects supporting EFA, such as Libfabric and Open MPI. You will work with multiple teams in the stack to invent new APIs for the latest conce...

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