Join Amazon's Unified Payments Experience (UPX) team as a Software Development Engineer II, where you'll work on cutting-edge cloud technologies and deliver impactful solutions that drive customer engagement. The role involves building highly scalable software systems using AWS services, React Native technology, and serverless architecture. You'll be responsible for securing customer PII and building highly reliable Tier-1 services with 5 9s availability. The position offers the opportunity to work with the latest technologies, solve complex engineering problems, and collaborate with multiple partner teams. You'll be involved in all phases of the Software Development Life Cycle, from requirements analysis to operational excellence. The team is modernizing its architecture and looking for exceptional talent to build applications that deliver differentiated customer experiences. This role combines technical expertise with business impact, offering competitive compensation and the chance to work on systems that directly affect millions of customers' payment experiences. The position is based in Seattle and offers comprehensive benefits including medical coverage, equity, and financial benefits.