The Software Development Engineer II role at AWS involves owning the design and delivery of core components for in-house network software, including controllers and planning software. The MONA team is responsible for managing a vast network and the lifecycle of over one million physical devices. This position offers the opportunity to work on large-scale distributed systems while mentoring junior engineers and improving operational standards. Candidates do not need a networking background, as the team supports growth and development in this area.

• 3+ years of non-internship professional software development experience
• 3+ years of designing and developing large-scale, multi-tiered, multi-threaded, embedded or distributed software applications
• 3+ years of Object Oriented Design experience
• 3+ years of non-internship design or architecture of new and existing systems experience
• Bachelor's degree or foreign equivalent in Computer Science, Engineering, Mathematics, or a related field
• 3+ years of contributing to new and current systems architecture and design experience
• 3+ years of full software development life cycle experience
• Master's degree in computer science or equivalent is preferred
• Experience with server, storage, networking, or large-scale distributed systems
• Experience building production software applications or understanding software development and systems architecture

• Own the design, implementation, and operation of components and features of in-house network software end-to-end.
• Turn ambiguous requirements into high-quality, well-tested, scalable code.
• Operate services in production and uphold high operational standards.
• Drive correctness and safety for automation that acts on production networks.
• Collaborate with team and partner teams to evolve the product and improve code quality.
• Mentor junior engineers and contribute to the team through code reviews.
• Participate in the on-call rotation for the services owned.

• 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.