James Lee
I am a Senior Full Stack Engineer with over eight years of experience designing and building scalable, high-performance applications across diverse industries including healthcare, fintech, logistics, and e-commerce.
About
I am a Senior Full Stack Engineer with over eight years of experience designing and building scalable, high-performance applications across diverse industries including healthcare, fintech, logistics, and e-commerce. I specialize in developing modern, maintainable systems using both frontend and backend technologies, focusing on cloud infrastructure, automation, and performance optimization.
I thrive working within cross-functional teams using Agile methodologies, delivering high-quality software solutions with a strong emphasis on testing and continuous integration. Passionate about mentoring junior engineers and driving architectural decisions, I enjoy crafting efficient and secure applications that make a tangible business impact.
- 4 years' experience
- Joined September 2025
Industry experience
- Healthcare
- Financial Services
- Transportation & Logistics
- Retail
- Education
- Software & Internet
- Real Estate & Construction
Work experience
Led architecture and development of multiple scalable applications including a real-time logistics tracking platform, HIPAA-compliant healthcare portals, fintech dashboards, and e-commerce storefronts using technologies such as Golang, Vue.js, Django, React, Java Spring Boot, Laravel, Shopify, Node.js, Kafka, and Ruby on Rails. Improved key metrics like shipment visibility, policy processing time, page load speed, transaction sync speed, and user retention significantly. Implemented containerized microservices via Kubernetes, CI/CD pipelines, and monitoring tools like Prometheus and Sentry. Mentored junior engineers and contributed to Agile sprint deliveries.
Developed internal tooling and dashboards primarily for financial institutions and healthcare providers using Java Spring Boot, Angular, Django, Vue, React, Laravel, and Ruby on Rails. Automated audits, enhanced booking interfaces, integrated LMS APIs, optimized checkout experiences, and built data visualization tools. Followed Agile/Scrum practices to deliver biweekly releases with low defect rates. Managed testing with JUnit, Selenium, Cypress, and built CI/CD pipelines using Jenkins and GitLab. Migrated legacy CMS to modern headless React SPAs and implemented backend performance optimizations.
Education
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