• Developed a Spring Boot trading community app with secure communication using Keycloak, SQL DB, and integrated AWS S3 for file storage, enhancing scalability and security.• Designed and implemented authenticated microservice endpoints with Feign client and M2M tokens, improving efficiency in microservice communication.• Spearheaded AWS deployment using Lambda and CloudWatch, resulting in a 40% reduction in infrastructure costs.• Automated expense and travel tracking systems, achieving a 95% reduction in leakages by leveraging Spring Boot microservices.• Created self-service attendance APIs for employee convenience, secured by JWT, and integrated continuous deployment pipelines using AWS CodePipeline.• Scaled application architecture using AWS Elastic Beanstalk (EC2), RDS, and S3 for asset management.• Developed a Keycloak-integrated microservice to enhance security and eliminate dashboard dependencies, streamlining CRUD operations and project integration.

• Developed backend for a blogging platform using Spring Boot, Flyway, and MySQL, implementing user accounts and CRUD operations.• Created Java console app for property management, facilitating efficient owner listings and customer searches.• Collaborated with senior developers to implement best practices in software development and design patterns.