• Spearheaded the design and creation of web applications and RESTful APIs, leveraging Java and Spring Framework, resulting in a notable 50% enhancement in system efficiency.• Employed Java 8 features such as the Java Stream API, Lambda expressions with references, Collections, and Concurrency API to elevate code quality and readability.• Crafted and implemented an application based on the Spring Framework utilizing the MVC design pattern.• Designed, implemented, and tested services within a Microservice-oriented architecture, integrating REST-based Microservices using Spring Boot and Spring Data with JPA (Java Persistence API).• Introduced pioneering implementations of microservices architecture, Kafka, and Spring Boot, driving a remarkable 50% enhancement in system scalability and responsiveness.• Employed AngularJS as the framework to develop a single page application (SPA) capable of data binding to distinct views and seamlessly synchronizing data with the server, utilizing AngularJS and Bootstrap.• Engaged in utilizing various AWS (Amazon Web Services) offerings such as EC2, VPC, CloudWatch, CloudFront, CloudFormation, IAM, S3, Amazon RDS, ElasticCache, SNS, and SQS.• Demonstrated expertise in integrating Angular applications with Java backend services through RESTful APIs.• Applied AWS expertise and proficiency in containerization to streamline DevOps workflows, resulting in reduced deployment durations.• Monitored the transition and recorded the corresponding result and information into the log file cooperated by log4j.• Improved database structures for efficient data handling, utilizing MySQL, Oracle, and PostgreSQL, resulting in an enhancement in data retrieval speed.• Orchestrated the adoption of Kubernetes for container orchestration, ensuring smooth deployment and scalability operations.• Generating Unit Test cases with the help of internal tools Using JUNIT.

• Incorporated Java functionalities such as Lambda expressions, Streams, filters, pipelines, Optional Interfaces, among others, into the implementation.• Enhanced code readability by implementing Spring Core annotations for Dependency Injection. Reduced service response time by adopting Spring Boot for microservices.• Strengthened API security by 35% by integrating RESTful services with Spring Security OAuth 2 and JWT tokens.• Enabled seamless scaling of services based on demand through the implementation of Microservices with Spring Boot and Apache Kafka.• Expedited bug identification and resolution through comprehensive test case documentation.• Crafted a user-friendly interface by developing the application frontend with HTML forms, Java Page base Bean classes, and Java Server Pages.• Ensured efficient debugging and issue resolution by utilizing Log4j to generate precise log files.• Improved project delivery time by implementing an Agile sprint system for task management.• Utilized Log4j for log file creation to facilitate troubleshooting and error tracking.• Ensured data protection and user authentication measures were in place.• Developed and optimized Stored Procedures, Triggers, Functions, and Cursors to efficiently handle data from MySQL Databases.• Engaged in the creation of Docker container images, including tagging and pushing images. Integrated Spring Boot within Docker containers and established Docker consoles to effectively manage the application lifecycle.• Used JUnit for writing unit test cases and used GIT for revision control of source code.• Implemented Angular routes using a Router module to enable lazy loading for modules and components, thus optimizing application performance.

• Implemented the complete technology stack utilizing Java, Spring Boot, MySQL, and Angular 6.• Utilized Java stream APIs for performing bulk operations on collections using parallel streams.• Engaged with various components of the Spring framework including Spring Core, Spring AOP, Spring MVC, Spring Batch, Spring Security, and Spring Boot, integrating them into existing system architecture alongside Microservices.• Constructed Angular.JS components and worked extensively with Angular directives, implementing features such as lazy loading and Dynamic loading within Angular routers.• Employed Typescript for code development. Proficiently utilized AWS services including EC2, S3, Lambda, RDS, DynamoDB, and SQS to develop scalable and dependable applications.• Designed and implemented resilient data storage solutions utilizing AWS S3 for object storage and DynamoDB for NoSQL databases.• Experienced in working with relational database management systems (RDBMS) such as MySQL, PostgreSQL, or Oracle.• Implemented continuous integration and continuous delivery (CI/CD) pipelines using Jenkins and GitLab to enable swift deployment and expedite time to market.• Utilized Docker containers to streamline the development and deployment processes, promoting platform portability and scalability. Performed unit and integration testing using Junit/TestNG.• Addressed cross-functional technical challenges spanning both front-end and back-end technologies.• Adapted promptly to evolving requirements and embraced Agile methodologies to ensure timely and within-budget project deliveries.