The Ads Security organization at Amazon is dedicated to creating innovative technical solutions that detect, assess, and mitigate security risks within Amazon's Advertising businesses. Our vision is to accelerate the development velocity of the Advertising business by ensuring that our products are inherently secure. We are seeking a talented Software Engineer to design and implement scalable, real-time software solutions as part of a tier-1 service used by 100s of Ads builder teams to securely handle PII data. Your work will include leveraging advanced cryptographic techniques such as SHA-256, symmetric key encryption, and secret key hashing to protect customer data and ensure compliance with security standards that benefit 100+ Ads teams. In addition to building secure systems, you will help create paved paths for Ads teams to follow, promoting security best practices through reusable code patterns, libraries, and frameworks. As part of a team that owns business-critical tier-1 services, you will provide on-call support and ensure system reliability at scale. Furthermore, you will have the opportunity to work on design and development of innovative tools that proactively identify and mitigate risks across the Ads organization, ensuring alignment with industry-leading security standards and practices. If you are passionate about building secure, high-performance systems and have a background in software development with a focus on security, we want to hear from you! This is a unique opportunity to have a direct impact on Amazon's $56 billion Ads business while safeguarding one of the largest advertising platforms globally.