Description Do you want to influence the experience of millions of customers? Do you want to work in a collaborative environment that impacts products from across the company? The Recipient Experience (REX) team owns and build customer-facing experiences which help us realize our mission of providing a perfectly executed, transparent, and flexible delivery experience that customers LOVE. Your solutions will provide the data needed to anticipate and resolve customer's questions before they are asked. At Amazon, we are known for our customer obsession. We need your ideas and your ability to take initiative, innovate, and produce results as we continuously improve the customer experience. Key job responsibilities As a Software Development Engineer-Test, you will use your passion in coding to stress prototypes and suggest design improvements to deliver superior products. You should have a strong knowledge of object-oriented design principles. In this role, you will: * Design, develop, and maintain automated test scripts and frameworks for web, API, and mobile applications * Build and implement test automation features of medium to high complexity with minimal guidance * Create and execute both manual and automated test cases, including regression testing and coordinate game days independently * Perform functionality, integration, reliability, performance, and compatibility testing against business requirements * Validate CI/CD pipelines and ensure quality at every step of the development cycle * Identify, isolate, and track defects using test tools and utilities * Conduct code reviews and ensure adherence to quality standards * Design and implement test strategies for significant components, features for mid-size to large scale applications * Work independently to deliver solutions to complex problems spanning multiple systems * Work closely with developers, product teams, and stakeholders to balance risk and delivery * Create and maintain documentation about testing processes and decisions Basic Qualifications - 3+ years of test automation frameworks and tools building experience - 3+ years of non-internship professional software development testing experience - Experience programming with at least one modern language such as Java, C++, or C# including object-oriented design - Experience in penetration testing and exploitability-focused vulnerability assessment - Experience in platform-level security mitigations and hardening for Linux and Windows Preferred Qualifications - Knowledge of overall system architecture, scalability, reliability, and performance in a database environment - Experience with security in service-oriented architectures and web services Our inclusive culture empowers Amazonians to deliver the best results for our customers. If you have a disability and need a workplace accommodation or adjustment during the application and hiring process, including support for the interview or onboarding process, please visit https://amazon.jobs/content/en/how-we-hire/accommodations for more information. If the country/region you’re applying in isn’t listed, please contact your Recruiting Partner.