The Senior Software Development Engineer role at Amazon Defensive Security focuses on architecting and building an AI-first security platform from the ground up. The team is transitioning from threat detection to a broader defensive security organization, emphasizing innovation and a culture-first approach. This position requires a technical leader who can navigate ambiguity and influence product direction while mentoring fellow engineers. The role offers a unique opportunity to shape the future of Amazon's security infrastructure.

• 5+ years of non-internship professional software development experience
• 5+ years of programming experience with at least one software programming language
• 5+ 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
• Bachelor's degree in computer science or equivalent

• Own the technical architecture of critical components within the new defensive security platform.
• Drive the AI-first approach by identifying opportunities to apply machine learning and intelligent automation.
• Make high-judgment technical trade-offs across distributed systems.
• Influence the product roadmap in partnership with product and security leadership.
• Set engineering standards for the team across operational excellence and security.
• Mentor and elevate engineers while fostering a culture of curiosity and ownership.
• Navigate ambiguity and drive alignment by synthesizing different perspectives.
• Own end-to-end delivery of production systems with high autonomy.

• 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.