• Design and develop RESTful APIs using AWS API Gateway and Lamba.• Used Spring framework for middle tier and Spring-JDBC templates for data access.• Tested SOAP web services using SOAP UI and REST services using POSTMAN.• Created and compiled XML Schema to generate Java Bean classes.• Developed DAO Layer by calling existing stored procedures.• Responsible for creation of design artifacts using Enterprise Architect.• Used Java features like lambda expressions for communicating between business layer and database, stream API for Bulk Data Operations on Collections using both streams and parallel streams.• Reviewed business requirements and discuss with application architect about the design.

• Involved in SDLC Development and testing of application, developed using AGILE/Scrum methodology.• Implemented RESTful Web services in Service Oriented Architecture (SOA) to retrieve data from client side and made REST API calls from Angular JS and parsed the data to client and handled the security and Authorization using Spring Security and OAuth2authentication protocol respectively.• Implemented servlets to handle HTTP requests for on-line requests, credit card payments, registration and bug tracking.• Connected to Data sources and performed operations using Spring Data Framework features like Spring JDBC and Spring ORM.• Integrated Spring DAO for data access using Hibernate to fetch data from database and avoid redundant database access statements.• Involved in Batch Module and Developed Batch using Spring Batch.

• Work closely with architects to create and implement new system designs as well as make improvements to existing systems.• Manage and contribute to all aspects of application development including functional and technical specifications, design, development, and production support.• Developed multiple Microservices using Restful Webservices, and Spring Boot also deployed in AWS using Kubernetes.• Implemented Hibernate ORM Framework and Spring Data JPA for Data Persistence.• Developed Unit Test Cases and Integration Test Cases as part of Test-Driven Development.• Developed Restful Webservice contract documentation using Swagger API.• Designed and developed Micro Services using Spring Boot and RESTful Web Services.• Used IOS simulator and Charles to capture the request and response which is triggered from the mobile app.• Data sources from Injection Microservices produce and consume data from apache Kafka to enhance data from enhancer Microservices.• Implemented Hibernate ORM Framework and Spring JPA for Data Persistence.• Used Maven as the build tool and is scheduled/triggered by Jenkins (build tool).• Developed Maven build scripts and configured continuous Integration servers like Jenkins/Hudson for regular builds.• Used GIT for Source Management, build creation for release.• Developed unit test cases and integration test cases using JUnit, Mockito and Wire Mock.• Developing react components which communicate with redux as session management and ajax calls to send and retrieve data.