The Software Development Engineer role in the ENA Express team focuses on designing and developing features across the AWS Networking software stack, particularly on Nitro Cards. The team consists of senior engineers with expertise in systems software and networking protocols, working collaboratively with hardware and firmware partners. This position involves high ownership, as the code developed will run on millions of EC2 instances, ensuring optimal network performance for customers. The role emphasizes operational excellence and effective communication within a supportive team environment.

• 2+ years of non-internship professional software development experience
• Bachelor's degree in computer science or equivalent
• Background in systems programming (C / C++) in performance-critical, production environments
• Experience in Linux and Networking protocols, or experience in managing and troubleshooting network protocols like DNS/DHCP/TCP
• Experience working with software teams to define the HW/SW interface, including control/status registers and error handling

• Design and develop features across the AWS Networking software stack on Nitro Cards.
• Deep-dive into ENA Express and the underlying SRD protocol and L3/L4 networking to optimize packet delivery.
• Collaborate with hardware and firmware partners to define software/hardware interfaces.
• Partner with EC2 platform and service teams to integrate ENA Express features into the broader AWS networking ecosystem.
• Drive operational excellence by building observability and contributing to on-call health.

• 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.