Contributed to the Operaton open-source project by developing a JVM process engine, implementing core workflow automation and human task management capabilities, with integration support for Spring, Spring Boot, Quarkus, and Jakarta EE.
Developed and deployed a full-stack portfolio application using Hugo, Node.js, TypeScript, and AWS serverless architecture, featuring a real-time LeetCode statistics API with custom rate limiting and an CI/CD pipeline.
Designed and built a full-stack web application to track LeetCode progress for multiple users with administrative oversight, using Spring Boot, React.js, PostgreSQL, and Spring Security, Docker, Git, CI/CD, AWS ECS Fargate.