SAVITA SALLA

Sr. Java, Full Stack Developer

(***) 734 – 0440

GREEN CARD Work Status

Summary of Qualifications:

IT Professional with 9+ years of experience in design & development of software & enterprise applications using J2EE technologies with combined expertise in Requirements Analysis, Design, Development, Testing and Deployment.

Experience with different Software methodologies like Agile Scrum, Test Driven Development (TDD) and Waterfall model.

Expert in creating webpages using HTML5, CSS3, Web Pages, layouts and vast knowledge in usability and accessibility concepts.

Expertise in client scripting language and server scripting languages like JavaScript, JQuery, AJAX, JSON, Bootstrap, AngularJS, NodeJS.

Strong experience on Java 8 features like Lambda expressions and Stream API for Bulk data operations, Parallel operations on Collections which would increase the performance of the Application.

Skilled in managing Amazon Web Services like EC2, S3 bucket, ELB, Auto-Scaling, SNS, SQS, AMI, IAM, Virtual Private Cloud (VPC) through AWS Console and API Integration.

Skilled in deploying the applications in AWS as EC2 instances and created snapshots for the data that had to be stored in AWS S3.

Expertise with different spring modules like Spring IOC (Dependency Injection), Spring MVC, Spring AOP, Spring web flow, Spring Cloud, Spring Data (JDBC, ORM), Spring XD, Spring Boot and Spring Batch.

Good experience in implementing Service Oriented Architecture (SOA) with XML based Web Services (SOAP/UDDI/WSDL), AXIS, JAX-WS using Top-Down Approach and Bottom up Approach.

Expertise in developing REST APIs with Resource based URIs and HATEOAS techniques using Jersey and RestEasy implementations of JAX-RS and JAX-B.

Experience in implementation of JMS to exchange information over reliable channel in an asynchronous way by using Active MQ, Rabbit MQ as message queue.

Strong experience in writing complex queries, using Oracle, IBM DB2, MySQL and PostgreSQL. And hands on experience in working with the NoSQL Database like MongoDB, Cassandra to manage extremely large data sets.

Effective problem solving skills, outstanding interpersonal skills, good in written and verbal communication

Technical competencies:

Languages: C, C++, Java 1.8, J2EE, SQL, PL/SQL

Enterprise Java: JSP, JSF, Servlets, JNDI, JDBC, Log4J, Java security

Mark-up/XML Technologies: XML, XSD, XSL/XSLT, SAX/DOM, JSON.

Web Technologies: HTML5, JavaScript, CSS3, Bootstrap, JQuery, AJAX, AngularJS, NodeJS.

Tools & Frameworks Struts, Spring, Hibernate, Spring MVC, Spring Web Flow, Spring HATEOAS, Spring IOC, Spring AOP, Spring Security, Spring Data, Spring Boot, JSF, JUnit, SOAP UI, Google Web Toolkit, Jersey.

Web Services: SOAP, RESTful, UDDI, WSDL, JAX-RS, JAX-WS, JAX-B, Micro Services, Apache Axis2, Apache CFX, AWS (Amazon Web services)

Cloud Technologies: Amazon Web Services (EC2, SQS, RDS, IAM, S3), and Spring Cloud.

Web/App Servers: Web Sphere, Apache Tomcat, JBOSS EAP, Web Logic Server and Apache Camel

Database: Oracle, MS SQL-Server, MySQL server, Mongo DB/ NOSQL, DB2.

O-R mapping: Hibernate, MyBatis

Modeling/ Case Tools: Rational Rose, MS Visio Professional

Testing Tools/ Others: JUnit, Mockito, Selenium, SoapUI, TOAD

Version Control Tools: Git, CVS, Tortoise SVN, Rational ClearCase

IDE Tools: Eclipse, IBM RAD, STS, IntelliJ

OS & Environment: Windows, Mac, UNIX, Linux

Professional Experience:

Client: PepsiCo, Inc - White Plains, NY March 2018 - Present

Role: Sr. Full Stack Java Developer

In this project, we implemented enhancements for the Promotions and Contract Management (PACMAN) application. PACMAN application is a J2EE/Oracle based workflow application, focused on providing Trade Spend Contract management and Claim execution services to the FLNA community.

Roles & Responsibilities:

Responsible for the Requirements gathering, Analysis, design, development, testing and implementation.

Coordinated with the Application and Business team to get the approval if any changes in the requirements.

Actively involved in the Enhancements to the existing Application.

Involved in the complete SDLC (software development life cycle) using Water Fall Methodology.

Involved in preparing the Requirements, Design, Test Cases and Requirement Traceability Matrix documents.

Implemented the UI using HTML, CSS3, JSP, AJAX, JQuery, Java Script and Angular2.

Extensively used Angular2 Templates, directives, Routing and navigation, Components, Services and Data binding.

Designed dynamic client-side JavaScript codes to build web forms and simulate process for a web application, page navigation using Angular2.

Used Spring MVC with annotations to implement the functionality and to handle the business logic.

Used Hibernate as the Object-Relational Mapping (ORM) tool to access the persistent data from Oracle Server.

Used Spring IOC for creating Spring Beans and maintaining Bean Life Cycle.

Worked on SQL queries with Oracle SQL developer to select/insert/update etc. for test/development purpose in local environment.

Involved in optimizing the HQL Queries.

Used Streams and Lambda expressions available as part of Java 1.8 to store and process the data.

Configured Dispatcher Servlet and View Resolver to intercept incoming requests, manage Spring MVC flow and invoke view components with the help of Dispatcher Servlet.

Used annotations to inject dependencies and handle URL mapping.

Implemented Micro Services architecture using Spring Boot for making application smaller and independent.

Used Sonar Qube for code Quality.

Involved in performance tuning to the Database calls.

Worked on complex queries, views and indexes to retrieve the data from the Database.

Designed, Configured and deployed Amazon Web Services (AWS) for a multitude of applications utilizing the Amazon cloud formation.

Used GIT as a version control tool.

Involved in System Testing and resolved the issues occurred while System Testing.

Actively worked on HP Application Lifecycle Management (ALM) Tool for execution of System Test Cases.

Deployed the application on WebLogic Server and involved in configuring it.

Environment: Java, J2EE, HTML5, CSS3, JavaScript, JQuery, AJAX, JSP, Spring MVC, Hibernate, MVC design patterns, SLF4J, Oracle 11, WebLogic Server 12, Eclipse, Ant, SQL Developer, GIT, Waterfall Methodology

Client: Blue Cross Blue Shield - Chicago, IL Feb2017 - Mar 2018

Role: Sr. Full Stack Java Developer

In this project, we developed a real time, fully automated claims processing system for online mediation of disability, medical, dental and vision claims. The efficient management of all the data related to clinical, administrative and finances throughout the organization is done by the application which in turn enables the information sharing between subsystems.

Roles & Responsibilities:

Involved in the complete SDLC (software development life cycle) of the application from requirement analysis to testing.

Followed Agile Methodology in analyze, define, and document the application, which will support functional and business requirements. Coordinate these efforts with Functional Architects.

Developed the UI using HTML5, CSS3, JSP and JavaScript for inter JMS cross browser functionality and complex user interface.

Moved existing Angular JS controllers and services to Angular 2 components for more responsive, less dependency and enhance legacy application by building new components in Angular 2.

Java Persistence API 2 supports allowing custom code conversions between database and object types.

Designing & configuring secure Virtual Private Cloud (VPC) through private and public networks in AWS and create various subnets, routing table, internet gateways for servers.

Designed and developed the REST based Micro Services using the Spring Boot.

Used Spring MVC module to develop MVC Architecture.

Used Core Java to develop Business Logic as Spring Beans.

Configured Spring Container to implement IOC/DI of the Spring Beans, and to manage the beans life circle.

Secured the API's by implementing OAuth 2.0 token based authentication/authorization scheme using Spring Security.

Designed and developed third-party Payment services to Offer Users Convenient Payment Methods based on OAuth Protocol.

Implemented Spring AOP for declarative transaction management.

Created Docker images and ran the Docker containers in various environments.

Developed POJO objects and used Hibernate as the Object-Relational Mapping (ORM) tool to access the persistent data from SQL Server.

Stored procedure in the database and used Dynamic SQL to load the data.

Used Jersey to implement Restful Web Service and used XML form to transfer the data.

Used Rest Controllers to replace the existing operations layer, which acts as bridge between business layer and the UI.

Used MongoDB as data storage and utilized aspects like replica sets, sharing and clever document design to make service extensible scale and feature wise.

Deployed the Web Application in WebSphere.

Developed Unit Test Cases. Used JUnit for unit testing of the application.

Created UNIX shell scripting for periodic generation of reports.

Provided Technical support for production environments resolving the issues, analyzing the defects, providing and implementing the solution defects.

Used GitHub as a version control and JIRA for bug management.

Used TestNG Testing Framework as a test runner with Selenium IDE and WEB driver.

Environment: Java 1.8, J2EE, HTML5, CSS3, JavaScript, JQuery, AJAX, AngularJS, Angular 2, NodeJS, Bootstrap, JSON, JSP, JNDI, Java Persistence API 2 Oracle, Spring AOP, Rabbit MQ, Hibernate, Spring MVC, Spring JDBC, JDBC, Amazon Web-Services, SOA (Service-oriented Architecture), Docker, REST, JAX-RS, Jersey, JUnit, JAX-B, Mongo DB, WebSphere, JIRA, Maven, GIT, Jenkins, Unix, Agile Methodology

Client: Charter Communications - St. Louis, MO May 2015 - Jan 2017

Role: Sr. Java/J2EE Developer

The Granite 100 project will establish an inventory accuracy rate for discoverable elements above 95% through the creation, standardization and implementation of new tools and clearly defined processes. The overall project scope of the Granite 100 project includes Optical Transport, RDC, and Video and enhancing Granite IP network inventory to include network transport, video, WAN, datacenter, and physical inventory.

Roles & Responsibilities:

Involved in SDLC requirements gathering, analysis, design, development and testing of application developed using AGILE methodology.

Created user-friendly GUI interface and Web pages using HTML5, CSS3, Java Script, JQuery, Angular JS and NodeJS.

Implemented the UI using Bootstrap.

Defined new validations through AngularJS for the form field validation implemented through HTML5.

Used Spring MVC, Ajax and Dependency Injection for handling presentation and business logic.

To maintain loose coupling between layers published the business layer as services and injected the necessary dependent components using Spring IOC and published cross cutting concerns like Logging, User Interface exceptions, Transactions using Spring AOP.

Integrated Spring DAO for data access using Hibernate.

Used Spring Security for Authentication and Authorization of the application.

Implemented persistence framework using Hibernate & Handled Transaction Management using the provided data source.

Responsible for designing Hibernate mapping files based on business logic and Object relationships.

Created data model and generated Hibernate mappings and domain objects using Hibernate tools.

Integrated Spring and Hibernate together and worked on developing backend components and services using Hibernate and spring.

Extensively used HQL and SQL for querying databases.

Consumed Web Services to interact with other external interfaces to exchange the data in the form of XML and by using SOAP.

Used Rest methodology for the service layer interface and used JSON for the data transformation.

Developed various AJAX and JSON calls for the communication between the server and the UI.

Developed Web Services for produce and consumed the services.

Used Spring JMS module for lookup for the queues and MDBs for the listeners

Established Database Connectivity using JDBC, Hibernate O/R mapping with Spring ORM for MySQL Server.

Used JavaScript and Struts 2 validation framework for performing front end validations.

Involved in creating the Hibernate POJO Objects and utilizing Hibernate Annotations.

Developed the Mapping Resource Files for the database entities.

Designed and developed application's GUI screens using GWT framework.

Written LINUX shell scripts to identify user login information.

Used log4J for application logging and notification tracing mechanisms.

Analysis and Bug fixing of the production problems and defects along with enhancements.

Used GIT as source control management giving a huge speed advantage on centralized systems that must communicate with a server.

Used J-Unit Testing and Ant Scripts.

Used JIRA for tracking the Project Stories in AGILE Methodology.

Environment: Java, JDK, J2EE, HTML5, CSS3, Bootstrap, JQuery, AngularJS, NodeJS, XML, JSON, Ajax, Struts2, Hibernate, Spring, SOAP, MVC design patterns, WebSphere Server, MySQL Server, JMS, JNDI, Ant, JIRA, React JS, GIT, Maven, LINUX.

Client: Flagstar Bank - Troy, MI May 2014 - Apr 2015

Role: Java J2EE Developer

Design & development of a custom application to enhance online banking facility to the customer with various modules for account maintenance, and email notification modules.

Roles & Responsibilities:

Involved in client requirement gathering, analysis & application design of Extreme Programming using Agile methodology with iterative and incremental software development.

Worked with Onshore team members and participated in work planning team bandwidth and prepared work breakdown.

Incorporated source system specific business logic in Java code and exposing them as Web Service as per Base profile specifications and WSDL contract.

Involved in the development of the User Interfaces using AngularJS, HTML, JSP, JS, CSS and AJAX.

Used Dependency Injection feature of Spring framework to inject dependency into objects and to wire objects of business classes.

Used Spring framework including Spring core /IOC, Spring Web, Spring Security.

Developed persistence layer Data access objects using DAO pattern, JDBC, Hibernate.

Developed costume queries using Hibernate criteria, native SQL and HQL.

Developed inheritance domain objects using table per class hierarchy strategy.

Configured EH Cache to load the static tables into secondary storage area.

Implemented SOA architecture with Web Services using SOAP, WSDL, UDDI and XML using CXF framework tool/Apache Commons.

Developed Stateless session beans to parse (parser frame work) and process the user request into domain object (DAO design pattern) to delegate the business request to the business delegate object

Used SOAP web services and XML data over HTTP.

Developed necessary parsing and XML construction logic using XML parser APIs JAXB.

Developed user interface using JSP, Struts published validation framework to support client side and server side validation.

Used built in store Procedures to reach the requirements from the Client to improve the response times of the services.

Created tables, triggers, stored procedures, SQL queries, joins, integrity constraints and views for multiple databases, Oracle 10g using TOAD tool.

Developed an automated application using JMS for messaging and JNDI to interact with the Server.

Used Rally which is Project Management Software that keeps track of all activities of the project development status.

Used Hibernate as ORM tool to store the persistence data into the Oracle database.

Created Stored Procedures using PL/SQL.

Developed Scripts for the build process and deployed in Web Logic Server.

Developed customized SQL for retrieving the data from the database worked with business and client to reach the performance parameters.

Used Jenkins as build management tool for continuous integration process.

Implemented Log4J for logging errors, tracking using logger’s components.

Developed unit test cases to test business scenarios associated with each use case sequences.

Used GIT for version control tool.

Wrote Unit Test Cases using JUNIT.

Worked on UNIX environment for development.

Environment: Java, JEE, JSP, HTML,CSS, JavaScript, AngularJS, Spring (dependency injection, AOP), Spring Web, Struts, Hibernate, JMS, Clear case, WebLogic Server, Web- services, SOAP, WSDL, JNDI, UDDI, JAX-RPC, JAXB,Log4j, Oracle, Rally, JUnit, Jenkins, GIT, TOAD,UNIX

Client: All State Insurance - Chicago, IL Mar 2013 - Dec 2013

Role: Java J2EE Developer

On this project, I worked on Integrated Customer Platform/ Technical Platform (ICP/TP) for purchasing a new auto quote through online/agent. When a customer purchases a quote, we will send a welcome email to the customer with the policy details and credentials for his policy account. By using this account the customers can see their payment receipts, temporary ID cards and Binder documents.

Responsibilities:

Involved in all phases of the Software development life cycle (SDLC) using Agile Methodology.

Developed Use Case Diagrams, Object Diagrams and Class Diagrams in UML using Rational Rose.

Used AJAX API for intensive user operations and client-side validations.

Involved in the development of the User Interfaces using HTML, JSP, JS, Dojo Tool Kit, CSS and AJAX.

Developed user interface using JSP, JSP Tag libraries, third party libraries and JavaScript to simplify the complexities of the application.

Inserted Dependency Injection between components using Spring (IOC) concept.

Implemented Asynchronous messaging between components using JMS.

Used Multithreading (Concurrent) in programming to improve overall performance using Singleton design pattern in Hibernate Utility class.

Involved in writing Spring Configuration XML file that contains declarations and other dependent objects declaration.

Used Spring Security to provide authentication, authorization and access-control features for this application.

Responsible for designing, coding and developed the application in J2EE using Struts MVC.

Implemented SOA architecture with Web Services using SOAP, WSDL, UDDI and XML using Apache CXF framework tool/Apache Commons. Worked on parsing the XML files using DOM/SAX parsers.

Designed and developed Hibernate DAO’s using Spring Framework’s Hibernate DAO Support and Hibernate Template.

Involved in creating various Data Access Objects (DAO) for addition, modification and deletion of records using various specification files.

Used MQ series of messaging and queuing purpose in the application.

Created tables, triggers, stored procedures, SQL Queries, joins, integrity constraints and views for multiple databases, Oracle using Toad tool.

Wrote client side validations for DOJO and XML files which checks for the valid values for the different events that are being logged.

Involved in developing the Graphical User Interface using HTML, JavaScript, CSS and JSP.

Developed Java server Pages using JSP Tags, Spring–tags, minimal Scriplets, HTML for client side validation and errors to ease troubleshooting.

Involved in Unit Testing of various modules by generating the Test Cases.

Performed configurations and day to day activities using JBOSS.

Involved in day to day handling of JIRA issues (production issues at time) that involved data inconsistencies that required to be solved in very less time.

Involved in Bug fixing of various modules that were raised by the testing teams in the application during the Integration testing phase.

Implemented PL/SQL procedures and views in Oracle Database using Altova Database Spy.

Implemented Log4J for Logging Errors, debugging and tracking using logger’s components.

Performed deployment of applications on JBoss Application Server.

Worked on UNIX environment for development.

Used GIT Version controller.

Environment: Java, J2EE, XMI, Hibernate, Spring, Spring Boot, Oracle, Struts MVC, JMS, MQ Series, JavaScript, HTML, XHTML, XMI, IDAM, CSS, SQL, PL/SQL, Log4j, JQuery, Angular JS, JBoss Application Server, Spring Security, JIRA, GIT, UNIX

Client: Globus IT Inc - Hyderabad, India Feb 2011 - Mar 2013

Role: Java Developer

Project scope here was to provide a frame work for evaluating the entire life cycle cost for a product, including warranty claims. The project aim is to provide warranty analysis by evaluating warranty claims data to spot trends and incorporate feedback into the next product version.

Roles & Responsibilities:

Involved in Documentation and Use case design using UML modeling include development of Class diagrams, Sequence diagrams, and Use Case Transaction diagrams.

Developed the application using Struts Framework that leverages classical Model View Controller (MVC) architecture.

Developed UI pages using HTML, Java script, JSP & Tag libraries

Designed the user interfaces using JSPs, developed custom tags, and used JSTL TagLibs.

Developed various java business classes for handling different functions.

Developed controller classes using Struts and tiles API.

Implemented Business processes such as user authentication, Transfer of Service using Session EJBs.

Backend application layer is implemented using EJB in JBoss environment.

Developed PL/SQL queries, Triggers and Stored Procedures to check the integrity of the data and actively involved in tuning SQL queries.

Used AJAX for dynamically updating the content.

Participated in design and code reviews.

Developed JUnit test cases for all the developed modules. Used SVN as version control.

Environment: Java, J2EE, JSP, Struts, JNDI, HTML, CSS, EJB, Web Sphere Application Server, Hibernate, XML, DOM, SAX, ANT, AJAX, Rational Rose, Eclipse Indigo, Apache Tomcat, Oracle, LOG4J, SVN

Client: Dega Software Technologies - Hyderabad, India June 2009 - Feb 2011

Role: Java Programmer

Project scope here was to implement a web based front end system which can be used by the employees, managers and higher level management having specific role permissions for effective processing of day to day business activities in the company like leave management, project management and resource management etc.

Roles & Responsibilities:

Technical responsibilities included high level architecture and rapid development.

Design architecture following J2EE MVC framework.

Developed interfaces using HTML, JSP pages and Struts -Presentation View.

Developed and implemented Servlets running under JBoss.

Designed the user interfaces using JSPs, developed custom tags, and used JSTL TagLibs.

Developed various java business classes for handling different functions.

Developed controller classes using Struts and tiles API.

Used J2EE design patterns and Data Access Object (DAO) for the business tier and integration Tier layer of the project.

Designed and developed Message driven beans that consumed the messages from the Java message queue

Implemented CMP entity beans for persistence of business logic implementation.

Development of database interaction code to JDBC API making extensive use of SQL Query Statements and advanced prepared statement.

Wrote SQL Scripts, Stored procedures and SQL Loader to load reference data.

Environment: Java, J2EE (Java Servlets, JSP, Struts), MVC Framework, Apache Tomcat, JBoss, Oracle, SQL, HTML, JDBC, EJB

Certification & Education:

Bachelor’s Degree in Computer Science (Graduated in 2008)

JNT University, AP, India

References: Provided upon request…

Contact this candidate