Software Development Engineer, EC2 Instance Networking

Job Description

Join our team building the scale-out networking backbone that powers the world's largest AI training clusters. Develop high-performance RDMA and RoCE solutions for distributed training of trillion-parameter models.

Requirements

• 3+ years of non-internship professional software development experience
• 2+ years of non-internship design or architecture experience
• Strong programming skills in C/C++ with focus on high-performance systems
• Experience with RDMA technologies and RoCE implementations
• Familiarity with collective communication libraries
• Experience with Linux networking, kernel development, and distributed systems

Responsibilities

• Design and develop high-performance networking software solutions for large-scale AI clusters
• Integrate SmartNIC acceleration hardware with EC2 control plane systems and APIs
• Implement and optimize collective communication patterns for distributed AI training workloads
• Develop performance monitoring and benchmarking tools for cluster interconnects
• Create automated testing frameworks for multi-rack distributed systems
• Debug complex system-level issues across hardware acceleration, kernel networking, and distributed applications
• Collaborate on architecture decisions for scale-out AI infrastructure

Benefits

• Medical, dental, and vision coverage (multiple plan options)
• Health savings and flexible spending accounts
• 24/7 Employee Assistance Program for mental health support
• 401(k) with company match and various investment choices
• Company-paid life/AD&D and disability insurance
• Restricted stock units (RSUs) for employee ownership
• Child care and elder care referrals, adoption assistance
• Paid maternity and parental leave (including Ramp Back)
• Paid time off (PTO) and company holidays
• Employee discount on Amazon.com products
• Career Choice program (95% tuition and textbook coverage)