Amazon

Software Development Engineer II, EFA Network - Annapurna Labs

Seattle, WA, USA

Found: February 19, 2026

This role is based in Seattle, WA.

Compensation:

$143,700 - $194,400/year

Responsibilities:

Write high-performance code in C for open-source projects supporting Elastic Fabric Adapter (EFA). Collaborate with teams to develop new APIs and provide expert support for AI clients.

Requirements:

  • 3+ years of professional software development experience
  • 2+ years of design or architecture experience
  • 3+ years programming high-performance software in C

Preferred Qualifications:

  • Bachelor's degree in computer science or equivalent
  • Experience in network software stack development

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