Cloud ML Networking Engineer - EFA/HPC

Amazon Web Services (AWS); Seattle (WA); On-site; USD 111,000 - 160,000; Full time

Job summary

Annapurna Labs (U.S.) Inc., based in Seattle, seeks a software engineer to write high-performance C code for EFA-related projects like Libfabric and Open MPI. You’ll collaborate across teams to design APIs for cloud networking, focusing on low-latency, high-bandwidth communication for ML/HPC workloads.

You will work from Seattle on a fast-paced team, contributing to open source and internal projects, with strong emphasis on performance, testing, and collaboration with ML infrastructure teams.

Qualifications

• Bachelor's degree in computer science, engineering, or related field.
• Strong programming skills in C as demonstrated by coursework or projects.
• Familiarity with systems programming concepts including memory management and Linux.
• Experience with source control (Git), code reviews, and build processes.

Responsibilities

• Write high-performance C code for Libfabric/Open MPI and related projects.
• Collaborate with multiple teams to design APIs for cloud networking concepts.
• Investigate latency and bandwidth in collectives and messaging for ML/HPC workloads.
• Provide expert support to major AI customers and validate features with tests.

Skills

C programming

Systems programming

Git usage

Linux familiarity

Education

Bachelor's degree in computer science or related field

Tools

Git

Build systems

Job description

Annapurna Labs (U.S.) Inc., based in Seattle, seeks a software engineer to write high-performance C code for EFA-related projects like Libfabric and Open MPI. You’ll collaborate across teams to design APIs for cloud networking, focusing on low-latency, high-bandwidth communication for ML/HPC workloads.

You will work from Seattle on a fast-paced team, contributing to open source and internal projects, with strong emphasis on performance, testing, and collaboration with ML infrastructure teams.