Amazon

Software Development Engineer II, EFA Network - Annapurna Labs

Amazon
Apply
1 day ago
Seattle, WA, USAMid Level
H1B sponsor

Base Salary

$144k - $194k/yr

Responsibilities

  • Write high-performance C code for open-source EFA projects such as Libfabric and Open MPI.
  • Design new APIs for cloud networking concepts and optimize high-bandwidth, low-latency messaging and collectives.
  • Develop comprehensive tests for new features and regression protection.
  • Collaborate with ML Infrastructure and other teams to validate performance on large GPU and CPU clusters.
  • Provide expert-level technical support to major AI and HPC customers.
  • Create written technical designs and align peers and stakeholders around implementation decisions.

Requirements

  • At least 3 years of non-internship professional software development experience.
  • At least 2 years of non-internship experience designing or architecting new and existing systems, including design patterns, reliability, and scaling.
  • At least 3 years of professional experience programming high-performance software in C, ideally in an open-source project.
  • At least 3 years of full software development lifecycle experience, including coding standards, code reviews, source control management, build processes, testing, and operations.
  • Preferred bachelor’s degree in computer science or equivalent.
  • Preferred experience developing in a network software stack and minimizing software-stack instruction occupancy.

Benefits

  • Comprehensive health insurance, including medical, dental, vision, prescription, Basic Life and AD&D insurance, and optional supplemental life plans.
  • Employee assistance program, mental health support, medical advice line, flexible spending accounts, and adoption and surrogacy reimbursement coverage.
  • 401(k) matching, paid time off, and parental leave.
  • Sign-on payments and restricted stock units are included in the Amazon package.
  • Position based in Seattle, Washington, with a stated annual base salary range of $143,700.00 to $194,400.00.

Tech Stack

Categories

Amazon

About Amazon

10,000+ employees

Amazon builds and operates a global e-commerce marketplace, logistics network, and consumer devices, and provides cloud computing via AWS for businesses and developers. The company earns revenue from online retail, third‑party seller services, subscriptions like Prime, advertising, and AWS usage. Founded in 1994 and headquartered in Seattle, it is publicly traded on NASDAQ (AMZN) and serves customers in dozens of countries.

Contact me