Amazon CloudFront is seeking an experienced Software Development Engineer to join the Routing Dataplane team in Seattle. This role focuses on building and optimizing systems that operate at a global scale, processing millions of requests per second. The team works on critical dataplane components, including layer 4 packet processing and DDoS detection. The environment is fast-paced and collaborative, aimed at driving innovation in the content delivery network market.

• 3+ years of non-internship professional software development experience
• 2+ years of non-internship design or architecture experience of new and existing systems
• 1+ years of software development engineer or related occupational experience
• Bachelor's degree or foreign equivalent in Computer Science, Engineering, Mathematics, or a related field
• Experience programming with at least one software programming language
• 3+ years of full software development life cycle experience, including coding standards and operations
• Master's degree in computer science or equivalent

• Design and build high-performance networking systems that operate in the CloudFront edge network
• Develop and optimize layer 4 packet processing pipelines for ultra-low latency and high throughput
• Enhance TCP/IP stack behavior for performance, congestion control, and resilience at scale
• Build systems for real-time DDoS detection, mitigation, and traffic shaping
• Design and evolve Anycast routing strategies to improve global traffic distribution and availability
• Own critical dataplane services end-to-end: design, implementation, deployment, and operations
• Analyze large-scale network telemetry to identify performance bottlenecks and failure modes
• Drive operational excellence, including monitoring, alerting, and rapid incident response
• Contribute to architectural decisions that influence global traffic engineering strategies

• 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.