Prateek J Email & Phone Number

• Participated in full Lifecycle: requirements gathering, design, develop, unit test and Deploy• Developed Micro Services using Java 8, Spring, Spring Boot, Spring JDBC 4.x and REST APIs• Implemented Spring Cache mechanism to improve the performance of the application.• Used Cassandra to store user data and check against the DB each time the user Logs into RnL Portal.• Coordinate with the Quality Engineering team during System Testing, Integration Testing and Regression Testing and provide the required support and fix the defects raised.• Used Confluence to track time to time updates, changes maintain business requirements and discussion points with business and other stakeholders.• Performed troubleshooting in QA and Higher environment for Defect Raised• Prepared documentation for Services and Unit Test Plans• Used Maven as build Tool.

• Developed RESTful services using JAX-RS, Jersey, Spring Boot and integrated with Oracle DB• Involved in designing and deploying the application on Amazon AWS using EC2, RDS, S3, and EBS.• Used maven as a build tool and profile-based build for segregating the properties per environment.• Worked on creating and configuring CI/CD pipelines using Jenkins & Ansible scripts• Developed unit test cases using Junit4 and Mockito frameworks• Participated in reviewing pull requests and sharing best practices with team members.• Worked with the architecture team to finalize the design changes for solutions for new requirements.• Worked with the QA team and other cross functions teams for identifying integration points and understanding other service interfaces.• Used draw.io to create Use Case Diagrams, Object Diagrams, and Class Diagrams in UML.• Worked on debugging production issues Splunk, IBM heap analyzer, Dynatrace.• Documented processes, setup, and POC related findings in confluence for team members.• Incorporated error handling through exception handling in different layers and generating custom exceptions and codes.• Implemented different levels of logging throughout the system using the SLF4J logger interface.• Participated in daily stand-ups and sprint planning and review meetings.

• Analysis, design, and development of Application based on J2EE using Spring and Hibernate.• Developing the Microservices using Spring Boot that creates, updates, deletes, and gets theassignment information from the backend.• Hands-on experience with Spring, Struts, Hibernate, and JPA frameworks. • Hibernate was used for Object-Relational mapping with the Oracle database.• Used core Java to build new functionality based on requirements.• Used Multi-threading to overcome the errors in the process of transactions, to handle all the threads by the main thread process. • Developed the UI Screens using JSP, AngularJS, JavaScript, and HTML and did the client-side validation with the JavaScript.• Developing and Exposing spring-based REST Services with spring boot to loosely couple the application.• Implemented the application using Spring MVC Framework, Spring Boot and handled the security using Spring Security • Involved in the preparation of Technical Specification documents• Used Spring MVC (Model View Controller) to handle/intercept the user requests andused various controllers to delegate the request flow to the Backend tier of the application.• Database Modification using SQL, PL/SQL, Stored Procedures, Triggers, Views in Oracle 9i.• Implemented JQuery Plugin with HTML5 to represent the data in Pie Charts and LineCharts.• Developed javascript (jQuery) tabs and main navigation menus using CSS sprites technique.• Worked on DAO classes to select/update data using JDBC• Developed the classes for Unit Testing by using JUnit.• Junit, log4j were used for unit testing and as logging frameworks• Identified and resolved major critical bugs during the development phase.• Monitoring daily builds. Starting from picking up the Source code from the SCM system,• building in Windows and UNIX platforms• Focused on automation and continuous integration. Automated local developmentenvironment using Ansible.

• Done with Client-side validations using JavaScript.• Developed the web layer using Struts. Used Validator framework of the Struts for client-side and server-side validation• The UI was designed using JSP, templates, JavaScript, CSS, JQuery, and JSON.• Used JAXP for parsing & JAXB for binding.• Involved in writing services to write core logic for business processes.• Involved in writing database queries, stored procedures, functions, etc.• Deployed EJB Components on Web Logic, Used JDBC API for interaction with Oracle DB.• Involved in Transformations using XSLT to prepare HTML pages from XML files.• Involved in Unit Testing, code review for the various enhancements.• Followed coding guidelines while developing workflows.• Involved in end to end implementation of the application.