Sam Purcell

Senior Software Engineer at Amazon

Developed and optimized backend systems for Amazon Prime Video using Java, AWS Lambda, S3, DynamoDB, and EC2, improving streaming reliability and video load times, resulting in a 20% increase in user satisfaction and a 10% rise in watch time. Architected microservices for content delivery and user management, reducing server-side latency by 25% and ensuring high availability during peak traffic. Led the development of responsive UI across web, mobile, and smart TV platforms with React.js, JavaScript, and HTML5, improving video playback and search functionality and boosting user engagement. Integrated ML models into the recommendation system with AWS SageMaker and TensorFlow to enhance personalization and retention by about 12%. Built and scaled CI/CD pipelines using Jenkins, Docker, and AWS CodePipeline to automate deployments and cut deployment time by 35%, while improving release stability. Implemented real-time monitoring with CloudWatch and DataDog, reducing incident response time