• Following Agile (Scrum) Methodology for developing application development. • Developed modules using Core Java APIs, Collections, Java 1.8 (Streams), Jordan API(Dates), Multi-threading, Exception Handling, Generics, Enums, Java I/O and object-oriented designs patterns. • Developed business components by using Spring Boot, Spring IOC, Spring AOP, Spring Annotations, Spring Cloud &Persistence layer by using Hibernate/JPA along with Web Services (RESTful). • Implemented customized authentication in Spring Security to verify user-role and secure the user pages. • Used JAX-RS for creating Restful web service and implemented authentication by using OAuth2 Security Framework. • Implementation of Hystrix circuit breaker to avoid loss of messages during handling of messages at consumer level. • Implementation of Zuul Proxy as the API gateway. • Implemented Hibernate Template to great extent making use of HQL, Named Parameters, Named Queries, and interfaces such as Expression, Query, and Criteria.• Developed powerful Single Page Application and dynamic responsive Web Application with Angular 8. • Worked with Angular 8 Controllers, Directives, Services, Pipes, Guards, and Angular Routing. • Deployed Spring Boot based Microservices Docker container using Amazon EC2 container services and using AWS admin console. • Planning, deploying, monitoring, and maintaining Amazon AWS GCP infrastructure consisting of multiple EC2 nodes and VMWare VM's as required in the environment. • Utilized AWS Lambda platform to upload data into AWS S3 buckets and to trigger other Lambda functions. • Created computing and data resources on AWS using EC2. • Configure Jenkins build Jobs for (CI) and (CD)and writing Python scripts on top of it. • Administered and deployed applications into WebSphere Application Server.

• Involved in Agile stand-up meetings with team members on regular basis and tracked the update on projects using JIRA and HP ALM. • Actively participated in the Analysis, Design, Development and Testing phases of various applications. • Developed server-side application to interact with database using Spring MVC and Hibernate. • Developed RESTful web services using JAX-RS API and produced JSON data. • Developed the DAO layer for the existing applications using Spring, Hibernate and developed various business logic and reports using HQL and Hibernate Criteria. • Created various Advices (before, after) methods as required using Spring AOP for Logging. • Used Spring Security for authorizing and authenticating the user to applications. • Used MySQL RDBMS database and created Data Models. • Developed Single Page Applications (SPA) using Angular 2, TypeScript, HTML5, CSS3, and Bootstrap 3. • Performed form validations using reactive forms from Angular 2 framework. • Worked with different lifecycle hooks from Angular 2 like ngOnInit (), ngOnDestroy (), ngDoCheck (), ngAfterViewInit () etc., • Implemented Router to enable navigation from one component to another. • Created Services to consume REST API's and to communicate between components using Dependency Injection provided by Angular 2.

• Involved in web designing using HTML, XHTML, CSS, JQuery, AngularJs, JavaScript extensively used Table-Less Design in CSS for positioning. • Using Angular JS created Responsive Web Design (RWD) and did data manipulations to display data in company standard format in UI. • Used Express JS which is fast, assertive, essential and moderate web framework of Node JS that helps manage a sever and routes. • Developed reusable modules/library using python. • Developed Web API using Node JS and hosted on multiple load balanced API instances. • Design and developed the REST based Microservices using the Spring Boot, Spring Data with JPA. • Created JAX-RS RESTful web services for GET, POST, PUT and DELETE requests. Used POSTMAN Rest client for chrome to test all the services. • Customized RESTful Web Service using Spring RESTful API, sending JSON format data packets between front-end and middle-tier controller. • Working on backend Java REST API services which support retail logistics related applications and retail EDI transaction sets. • Successfully handled JSON/XML data and carried out JSON/XML parsing for form submissions and DOM manipulation. • Responsible for design and developing Persistence classes using Hibernate and Spring JDBC Template frameworks to save data in database tables. • Used Hibernate, object/relational-mapping (ORM) solution, technique of mapping data representation from MVC model to Oracle Relational data model with a SQL-based schema.

• Coordinated with team members in gathering system requirements and specifications required for the redesign. • Involvement in architectural and design discussions. • Helped the project team to identify the suitable technology tools required for the projects. • Designed and developed the Application based on Model-View-Controller architecture. • Involved in analysis, design, Coding and development, Implementation phase of the modules. • Extensive involvement in Designing Azure Resource Manager Template and in designing custom build steps using PowerShell. • Worked on JAVA J2EE team and designing DAO interface and implementation. • Involved in Bug Fixing (Debugging) of the application. • Involved in Developing User Interfaces using HTML and JSP's. • Developed and published web-services using WSDL, SOAP and XML, Jax-B. • Implemented Web-Services to integrate between different applications (internal and third-party components using SOAP and RESTFUL services using Apache-CXF. • Designed and developed the approaches/strategies for the entire application. • Developed web pages with JSP and Servlets using HTML, JavaScript, AJAX, and XML. • Used Apache Ant as the software build tool. • Used Apache Maven for the over-all software project management.