• Built scalable backend services using Java 8 and led migration to Java 17, improving performance and maintainability.

• Developed RESTful APIs and microservices for integration with front-end and third-party healthcare systems.

• Deployed cloud-native apps using AWS (EC2, S3, ECS, DynamoDB, RDS), enhancing reliability and scalability.

• Managed containers with Docker and Kubernetes for consistent environments across development and production.

• Automated build, test, and deployment processes using Jenkins CI/CD pipelines, reducing release time.

• Applied TDD with JUnit and Mockito to ensure robust, testable code.

• Conducted code reviews and used SonarQube to maintain high code quality and reduce technical debt.

• Documented APIs using Swagger to streamline onboarding and improve usability.

• Integrated RabbitMQ for efficient microservice communication.

• Monitored systems with Datadog and AWS CloudWatch, setting up alerts for performance anomalies.

• Used Splunk for log analysis and implemented role-based access controls to secure sensitive data.

• Optimized MySQL and RDS stored procedures and queries for faster data retrieval and reduced resource usage.

• Collaborated in Agile teams, contributing to sprint planning, stand-ups, and retrospectives.

• Used Rally for project tracking and GitHub for version control and team collaboration.

• Ensured smooth migration to Java 17 by refactoring deprecated code and maintaining backward compatibility.

• Gained exposure to Golang microservices development, implementing backend services using GORM for ORM, transactional data access, and database migrations.

• Participated in SDLC phases including requirements, design, development, and testing.

• Used Angular 14 with AWS-SDK to enable file/image uploads to AWS S3 from the front end.

• Built responsive banking interfaces using HTML5, CSS3, and Angular 14 in a Java full-stack setup.

• Designed and deployed scalable applications on AWS using EC2, S3, and RDS.

• Developed APIs with Java 14 and Spring Boot; integrated Hibernate for ORM.

• Containerized apps with Docker and orchestrated deployments using Kubernetes.

• Followed Agile practices with SCRUM meetings and JIRA for sprint tracking.

• Applied microservices design patterns in Golang, including REST APIs and lightweight pub/sub messaging, enabling efficient and scalable system integration.

• Built RESTful services using Node.js and Jersey; used MongoDB for NoSQL storage.

• Managed code with GitHub; performed terminal operations and created pull requests.

• Secured REST APIs using Spring Security and OAuth2.

• Created CI/CD pipelines with Jenkins in Kubernetes; automated build and deployment.

• Used DAO patterns and JDBC for database interaction; tested APIs with Postman.

• Migrated to microservices using Java, Spring Boot, and Docker, improving scalability.

• Used Jasmine/Karma for Angular tests; JUnit/Mockito for Java unit tests.

• Applied circuit breaker patterns and tracing tools (Zipkin/Jaeger) for resilience.

• Implemented AWS Lambda for serverless backend services with IAM access control.

• Deployed J2EE apps on Apache Tomcat; optimized server performance.

• Used MongoDB’s document model for financial data and horizontal scaling.

• Developed backend services in Scala, integrated with Java for REST APIs.

• Used Kafka for real-time transaction processing.

• Practiced TDD and BDD using Cucumber; integrated tests into CI/CD.

• Created Swagger documentation for interactive API testing.

• Adopted Java-based solutions to reduce costs and improve processing speed.

* Led development of scalable microservices using Java 11, Spring Boot, Hibernate for retail operations like inventory, customer service, and order processing.

* Built RESTful APIs with Java 11, Spring MVC, and JSTL, improving integration efficiency and reducing page load times by 40%.

* Optimized performance via caching and JVM tuning, cutting server response times by 50% during peak traffic.

* Developed responsive UIs with React, HTML5, CSS3, TypeScript, SASS, ensuring cross-browser compatibility and mobile-first design.

* Applied ES6+, async/await, Redux, and Context API for complex state and asynchronous data handling.

* Enhanced UI interactivity with jQuery and Bootstrap, collaborating closely with UI/UX teams.

* Championed Agile processes, leading sprint planning, stand-ups, and retrospectives; tracked tasks in JIRA.

* Adopted TDD with JUnit, Mockito, Karma, Jasmine; integrated Sonar Lint and Swagger for code quality and API documentation.

* Implemented end-to-end testing with Selenium and JUnit, improving defect detection by 20%.

* Containerized and deployed services using Docker and Kubernetes; automated scaling and orchestration.

* Built CI/CD pipelines with Jenkins and GitHub, reducing deployment time and improving release reliability.

* Integrated Splunk into CI/CD for deployment monitoring and anomaly detection; configured secure logging with Log4j.

* Migrated legacy systems ( JSP/JSTL components) to modern frameworks, improving maintainability.

* Designed real-time streaming pipelines with Scala and Apache Kafka for high-throughput data processing.

* Created Kafka-based messaging for microservice integration, improving system responsiveness and scalability.

* Applied AWS security best practices (IAM roles, encryption, security groups) to safeguard customer data.

* Monitored JVM metrics in Datadog, resolving resource bottlenecks and garbage collection issues.

* Increased online sales by 30% through backend optimization and improved user experience.

* Designed and implemented scalable applications using Java 11 for telecommunications services, improving efficiency and user satisfaction.

* Built responsive UIs with HTML, CSS, JavaScript, and Angular 8 to enhance engagement and usability.

* Developed backend services using Java 11, Spring, Spring IOC, Spring MVC, and Spring Cloud for high performance and scalability.

* Built RESTful APIs with Spring MVC for seamless frontend–backend integration.

* Worked in Agile environments (Scrum, Kanban) using Asana for project tracking and timely delivery.

* Implemented JWT-based security to protect web applications.

* Managed retail data in Oracle DB, writing complex SQL queries for retrieval, updates, and transaction handling.

* Used JTA for distributed transaction management across multiple resources.

* Deployed applications on Apache Tomcat and Azure cloud for availability and scalability.

* Integrated Angular 8 with Java-based RESTful services for smooth data exchange.

* Applied Angular 8 security features like sanitization and security contexts.

* Created and maintained tests using JUnit, Mockito, Jasmine, Karma, and Cucumber for reliability.

* Monitored Kafka clusters with Kafka Manager and Confluent Control Center to detect performance issues.

* Used Splunk to monitor backend services, analyze logs, and perform root cause analysis.

* Integrated applications with Azure databases, messaging services, and AI/ML solutions.

* Built CI/CD pipelines with Jenkins for faster, higher-quality releases.

* Performed unit, integration, and system testing for J2EE applications.

* Integrated Kafka with external systems via Kafka Connect.

* Built telecom applications with Java 11, Spring Boot, and Angular 8, boosting processing speed by 20%.

* Added real-time VoIP features in Java 11, reducing latency.

* Created Oracle DB disaster recovery, backup strategies.

* Monitored applications with SLF4j for troubleshooting.

* Produced API documentation with Swagger for easy integrations.

* Used Spring MVC lightweight container to provide architectural flexibility through inversion of control (IOC).

* Participated in all SDLC phases including requirement analysis, design, implementation, and deployment.

* Utilized Spring Framework for dependency injection to improve modularity and reduce coupling.

* Implemented and deployed multiple EJB components (Session and Entity) within WebSphere application server.

* Designed and developed the front end using MVC architecture with Struts and Tiles frameworks.

* Applied Hibernate in the persistence layer, developing POJOs and DAOs to handle database interactions.

* Ensured application security through SSL, encryption, and role-based access controls.

* Leveraged JSON for lightweight and efficient data exchange between server and application.

* Developed reusable and interoperable web service modules using microservices and RESTful APIs.

* Prepared Java and JSP coding standards checklist to ensure code quality and maintainability.

* Collaborated with cross-functional teams to integrate XSD and Schematron validation into data pipelines for complete XML data validation.

* Tested and debugged XSD schemas and Schematron rules to resolve XML data discrepancies.

* Used SOAP protocol for XML-based communication between systems.

* Implemented RESTful microservices with Spring Boot and Spring MVC.

* Designed and created relational database tables in Oracle to support business requirements.

* Implemented business logic, data access layers, and integration components using J2EE technologies such as Servlets, JSP, EJB, JPA, and JDBC.

* Developed DB2 stored procedures, functions, nested tables, cursors, and packages to handle complex business operations.

* Generated DB2 reports and SQL functions for analytical and operational needs.

* Followed the Rapid Application Development (RAD) model for faster delivery and iterative improvements.

* Managed codebase and version history using VSS version control system.