Software Development Engineer, EC2 Software Defined Networking, VPC Core

Key job responsibilities

• Design, develop, and maintain scalable systems and services for Amazon EC2 (VPC), ensuring high availability and performance for millions of customers worldwide
• Build and optimize networking infrastructure components including subnets, route tables, security groups, and network ACLs to enhance customer experience and system reliability
• Collaborate with cross-functional teams to define technical requirements, architect solutions, and deliver features that improve VPC functionality and customer workflows
• Write clean, maintainable code and conduct thorough code reviews to maintain high engineering standards across the team
• Troubleshoot complex distributed systems issues, perform root cause analysis, and implement long-term solutions to prevent recurrence
• Participate in on-call rotations to ensure 24/7 operational excellence and rapid incident response for VPC services
• Mentor junior engineers through code reviews, design discussions, and knowledge sharing sessions
• Contribute to technical documentation, design documents, and operational runbooks to support team knowledge and service maintainability
• Drive continuous improvement initiatives to reduce operational burden, improve system performance, and enhance monitoring and alerting capabilities

About the team

The EC2 VPC team builds and operates the foundational networking infrastructure that powers Amazon's cloud computing platform. We design and maintain highly scalable, reliable systems that enable customers to create isolated virtual networks within AWS. Our team is responsible for core networking components including subnets, route tables, security groups, and network ACLs that serve millions of customers globally. We focus on delivering exceptional customer experiences through continuous innovation, operational excellence, and building robust distributed systems. Our engineers collaborate across Amazon to solve complex technical challenges while maintaining the highest standards for availability, performance, and security.

Basic Qualifications

• 3+ years of non-internship professional software development experience
• 2+ years of non-internship design or architecture (design patterns, reliability and scaling) of new and existing systems experience
• Experience programming with at least one software programming language

Preferred Qualifications

• 3+ years of full software development life cycle, including coding standards, code reviews, source control management, build processes, testing, and operations experience
• Bachelor's degree in computer science or equivalent
• Experience working effectively across cross-functional teams and partnering well with people at all levels within an organization
• Experience working with technical and product stakeholders to define requirements, prioritize features, and influence product roadmaps