The role involves joining the Post-Silicon Validation team at Annapurna Labs, an AWS organization, to validate high-speed interconnects for next-generation ML accelerators. The team focuses on ensuring link integrity, performance, and reliability across the product lifecycle. You will work in a dynamic environment, collaborating with experts to tackle complex technical challenges. Your contributions will directly impact the performance and scalability of AWS's custom silicon solutions.

• 3+ years of non-internship professional software development experience
• 2+ years of non-internship design or architecture experience
• Experience with RF measurement equipment, including power meters and oscilloscopes
• Bachelor's degree in Computer Science, Computer Engineering, or Electrical Engineering
• 3+ years of hands-on experience validating or characterizing high-speed interface technologies
• Proficiency with signal integrity measurement techniques
• Familiarity with at least one interface specification standard
• 3+ years of full software development life cycle experience
• Experience with HBM PHY training sequences and characterization
• Knowledge of forward error correction and link reliability metrics
• PCB and package-level signal integrity awareness
• Experience with multi-die or chiplet architectures
• Familiarity with equalization techniques

• Validate high-speed interfaces end-to-end from PHY training through sustained traffic
• Perform electrical characterization including eye diagrams and jitter analysis
• Execute protocol-level compliance testing and interoperability validation
• Stress-test links across PVT corners and aging conditions
• Debug link training failures and performance degradation using lab instrumentation
• Collaborate with PHY design teams on equalization optimization and silicon feedback
• Develop compliance test suites and build characterization data for production readiness

• Employees at Amazon are often offered comprehensive health benefits—including multiple medical plan options (no pre-existing condition exclusions, 100% covered in-network preventive care), dental and vision plans, a 24/7 medical advice line from day one, expert second-opinion services, and broad mental-health support with several free counseling sessions (including pediatric). Financial wellness typically includes a 401(k) with company match (up to 2%), Restricted Stock Units (equity), FSAs, an emergency savings program, product and partner discounts, and even college-savings and home-purchase programs. Overall, the package is designed to support employees and their families’ health, finances, and day-to-day life.