The Amazon Shopper Panel team is seeking a Software Development Engineer II to help build and enhance their invitation-only program where participants earn monthly rewards for sharing receipts from non-Amazon purchases and completing surveys. This role offers the opportunity to work on features that will directly impact millions of customers through the Amazon Shopper Panel mobile app. The position requires expertise in React Native development and mobile app lifecycles, with a focus on creating scalable solutions that drive quantifiable revenue impact. As an SDE II, you'll be responsible for defining technical strategy, delivering independently, and solving complex software challenges. The role offers competitive compensation ranging from $129,300 to $223,600 based on location, plus equity and comprehensive benefits. This is an excellent opportunity to join Amazon's innovative ad tech and data science team while working on customer-facing features that directly influence shopping and advertising experiences.