The Senior Software Development Engineer role at AWS involves leading the design and development of in-house software systems that manage a network of over one million devices. The team, MONA, focuses on solving complex networking problems through innovative solutions like software-defined networking and automation. This position offers the opportunity to influence software strategy while actively participating in the development process. Candidates will work in a dynamic environment, collaborating with talented engineers to enhance network capabilities.

• 7+ years of non-internship professional software development experience
• 7+ years of programming experience with at least one software programming language
• 7+ years of experience leading design or architecture of new and existing systems
• Experience as a mentor or tech lead for an engineering team
• 5+ years of experience in the full software development life cycle
• Master's degree in computer science or equivalent
• 4+ years of experience with highly scalable systems

• Partner with the engineering manager to shape the team's software strategy.
• Design and build in-house systems that solve business problems end-to-end.
• Own and evolve the controller for agentic network auto-remediation.
• Build planning software for new data center capacity and deployment.
• Manage out-of-band management-plane services for network devices.
• Drive correctness and safety for automation on production networks.
• Lead design reviews and mentor engineers.
• Participate in on-call duties and lead high-severity incident responses.

• 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.