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@justinlee5
Experienced Staff Software Engineer specializing in scalable AI-powered solutions.
As a Staff Software Engineer at Amazon, I have designed and built innovative, AI-powered e-commerce platforms that enhance user engagement and drive sales. My work on Amazon Haul involved creating a scalable microservices architecture using Java, Spring Boot, and AWS, alongside a high-performance frontend with Next.js and TypeScript. This project not only improved mobile conversion rates but also significantly increased customer satisfaction through personalized recommendations.
Prior to Amazon, I served as a Senior Software Engineer at Amwell, where I played a crucial role in migrating legacy telehealth services to a cloud-native platform. My contributions included developing end-to-end video consultation features and ensuring HIPAA compliance through robust data protection practices. My passion for leveraging technology to solve complex problems drives my commitment to delivering high-quality software solutions.
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Work history, roles, and key accomplishments
Amazon
Jul 2019 - Present (6 years 4 months)
Designed and built Amazon Haul, a scalable, AI-powered, microservices-based ecommerce platform, delivering dynamic product pages, personalized home feeds, and adaptive carts that improved user engagement and significantly increased mobile conversion rates. Built an AI-powered recommendation system using Python/FastAPI and Amazon’s LLM ecosystem, integrating user behavior signals and product metada
Amwell
Apr 2015 - Present (10 years 7 months)
Contributed significantly to the migration of legacy telehealth services to the new cloud-native Converge platform, refactoring monolithic Java/SpringBoot applications into microservices on AWS (ECS, Lambda, RDS), reducing system downtime and increasing virtual visit success rates by over 20%. Developed end-to-end video consultation features using WebRTC and secure SIP/WebSocket signaling, integra
Degrees, certifications, and relevant coursework
Bachelor's degree, Computer Science
Completed a comprehensive curriculum in computer science, gaining foundational knowledge in programming, algorithms, and data structures. Focused on developing strong problem-solving skills and understanding complex computational concepts.
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