Amazon Ads is seeking a Software Development Engineer to join their team in a dynamic environment that combines startup agility with Amazon's vast resources. This role offers the opportunity to make direct impact on millions of customers daily through building world-class advertising solutions. The team is focused on developing innovative, privacy-conscious machine learning solutions that move beyond traditional cookie-based approaches. As a key member of the team, you'll be responsible for designing and implementing highly scalable systems that power ad delivery across billions of impressions daily. The role involves full-stack development, from frontend UI work to backend services, and requires expertise in technologies like React, Java, and API Gateway. You'll work directly with customers to scope and deliver new features, while also having the opportunity to mentor junior team members and influence technical direction. The position offers competitive compensation ranging from $129,300 to $223,600 based on location, plus equity and comprehensive benefits. This is an excellent opportunity for engineers passionate about serverless architectures, machine learning, and solving complex problems at scale while working with cutting-edge advertising technology.