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Click here or scroll down to respond to this candidate HARSHINI BADAMPhone: PHONE NUMBER AVAILABLEMail: EMAIL AVAILABLEPROFESSIONAL SUMMARY Senior Java Full Stack Developer with 9+ years of software development experience in Java/ J2EE, Spring Boot, Spring MVC, JSP, C, C++, JavaScript, SQL, PL-SQL, Struts, Hibernate, Web Services. Involved in complete SDLC from inception, planning, design, coding and testing to project closure mainly in the intranet, Internet and standalone application design, development, maintenance and production support in n-tier architecture. Strong working experience in client scripting language and server-side scripting languages like JavaScript, jQuery, Node JS, Underscore.js, Express.js, React JS, Angular JS, Angular12/14, bcrypt.js, Crypto.js, Backbone.js, Require.js, Ext JS. Experience in using Redux to manage the application state a Redux-promise, Redux-Thunk and Redux-saga
Experience in implementing Spring Core, AOP, JDBC, MVC and ORM modules. Expertise with employment of Spring Kafka and Zookeeper apart from JMS as messaging service. Strong Application Integration Experience using Connectors, Transformations, Routing, JMS, Kafka and RabbitMQ. Diverse experience utilizing tools in N-tier and Microservices architecture
applications using Spring Boot, Spring Cloud config, PCF, AWS, Rabbit MQ, Kafka, Zookeeper, Cassandra, My SQL, Restful Web Services. Worked in Jenkins for continuous integration (CI)of the application and System. Development of application server part and writing Groovy scripts for Jenkins. Implemented and managed promotions and discounts within Oracle Xstore to drive customer engagement and boost sales Experience with webservers like tomcat, NGINX and Integrated Development Environments like PyCharm, Intellij, Eclipse, MyEclipse, JDeveloper and RAD. Delivered POC on Nodejs, GraphQL for Integration, Unit and Client-side testing for API s status codes. Proficient in developing UI using jQuery and JavaScript Libraries for Web Applications and Mobile Applications. Expertise creating user validation forms lambda and sending data to server using RESTful services. Extensive knowledge and hands on experience in developing Node JS applications using MVC frameworks and installation of client-side dependencies using Bower. Used Node JS NPM module Grunt and Gulp to run tasks and build properly the project (compile, minify, concat etc.) Experience working with SQL Database Components (Tables, Views, queries) mostly MYSQL, PostgreSQL, Oracle, DB2 and No SQL Databases like Mongo DB. Adapt in building highly scalable, pluggable and interactive web applications with open-source web frameworks like Struts, Spring MVC integrating it with Spring and Hibernate. Experience in developing persistence layer applications based on ORM between Java and Database using Hibernate. In-depth understanding of various Design Patterns like MVC, Builder, Singleton, Service Facade, Service Locator, Data Access Object, Data Transfer Object/Value Object, Business Delegate, Decorator and Factory. Solid proficiency with distributed version control tools such as GIT, GitHub, SVN and cloud platforms like Amazon Web Services (AWS), Amazon EC2, Heroku. Experience with Docker Images/containers and Kubernetes. Worked on (AWS) infrastructure with automation and configuration management tools such as Chef and Puppet. Good knowledge of AWS, Amazon Cloud Services like Elastic Compute Cloud (EC2). Expertise in Client Scripting language and server-side scripting languages like HTML, CSS, JavaScript, JSTL, jQuery, JSON, bootstrap, AngularJS and Node.js. Good knowledge in Angular directives to create reusable elements and attributes, along with easy to test and maintain client-side interactivity in web applications. Experience in JUnit framework with Mockito, Spring Junit Runner. Experience in Agile software development process, Test Driven Development and Scrum.TECHNICAL SKILLSJava/J2EE TechnologiesServlets, JSP, JSTL, JDBC, JMS, JNDI, EJB, JPAProgramming LanguagesJava 8.0/7.0/6.0/5.0, PL/SQL,C++, .NETApplication/Web ServersWeb Logic, Web Sphere, Apache Tomcat., Jetty, JBoss, WildflyFrameworksStruts, Spring version 4,5, Hibernate, JPA, JSF 2.0/1.2, Spring Core, Spring ORM, Spring MVC, Spring AOP, Spring Boot, Spring Integration.IDEsEclipse, IntelliJ 2017.1, NetBeans 8.0.2, Spring Tool Suite (STS) 3.8.3Web technologiesHTML, JavaScript (ES5, ES6), PHP, GCP, jQuery, Node.js, Reast.js, CSS, AJAX, DOJO, XML, Web Services (SOAP, REST, WSDL), Angular 8/9/10/11/12/13/14.Web ServicesJAX-WS, JAX-RPC, JAX-RS, SOAP, WSDL, UDDI, REST 2.2, JAXB, Apache Axis,MethodologiesAgile, Scrum, TDD(Test-Driven-Development), OOAD, SDLC,BDDModeling ToolsUML, Rational Rose, Selenium, CucumberTesting technologies/toolsJUnit 4.12, JIRA 7.0Database ServersCassandra, Oracle, DB2, Mongo DB, SQL Server, MySQL
Build ToolsRational Rose, CVS, GIT, SVN, VSS, Clear Case, JIRA, Jenkins, JUnit, TestNG, Selenium, Cucumber, Beehive, Mockito, IBM MQ, Log4j, ANT, Maven, Gradle, EC2, VPC, SNS, SQS.PlatformsWindows, Mac, LINUX, UNIXPROFESSIONAL EXPERIENCE
Charles Schwab | Austin, TX Sep 2022 - Present Senior Full Stack DeveloperResponsibilities Gathered and analyzed architectural design requirements and functional specifications of the client module.
Performed the detailed design of application and technology architecture components and classes.
Implemented AGILE methodology, participated in daily scrum meetings, code reviews, sprint planning and retrospectives as part of Agile methodology.
Employed in the JIRA ticketing system to keep track of issues and tasks on individuals.
Designed the front-end screens using HTML5, CSS3. Developed Angular 12/14 controllers, services, filters and developed HTML templates with various Angular directives. Developed story/task by following TDD/BDD and Pair programming concepts. Providing daily status in scrum meetings with the client. Formulated Angular services and integrated them seamlessly with RESTful APIs. Leveraged Angular HTTP Client to execute GET/POST requests for data retrieval from the server. Developed the components using Angular 12/14 needed for the application from scratch and customizing from various Angular related libraries to meet the application's functionality. Installed application on AWSEC2 instances and configured the storage on S3 buckets. Perform S3 buckets creation, policies and the IAM role based polices.
Created monitors, alarms, and notifications for EC2 hosts using Cloud Watch. Utilized Angular 12/14 HTTP services to execute asynchronous validations for input fields within forms, validating against data stored in the database. Developed, maintained and enhanced Microservices using SPRING MVC with integration to Mongo DB and Kafka queues.
Implemented latest Ecmascript6 (ES6) features like arrow functions, constants, block-scope variables and class inheritance etc. Focused on Test Driven Development (TDD); thereby creating detailed JUnit tests for every single piece of functionality before writing the functionality Designed and developed the framework to consume the web services hosted in Amazon EC2 instances. Adopted BDD frameworks, such Behave, SpecFlow, or Cucumber, to help developers, testers, and business stakeholders work together more easily. Integrated BDD tests into continuous integration (CI) pipelines, enabling regular and automated execution of tests to catch issues early in the development process. Generated and analyzed BDD test reports, identifying trends and areas for improvement in the development process. Utilized BDD as a form of living documentation, ensuring that automated tests serve as up-to-date and accurate documentation of system behavior. Implemented BDD practices as part of a shift-left testing strategy, catching defects early in the development lifecycle. Leveraged collaboration tools such as Jira, Confluence, or similar platforms to manage, track, and document BDD scenarios. Developed CI/CD system with Jenkins on Kubernetes environment, utilized Kubernetes and Docker for the runtime environment for the CI/CD system to build, Test and Deploy. Trained and mentored team members on BDD principles, Gherkin syntax, and the effective use of BDD frameworks Ensured adherence to BDD best practices and guidelines, promoting consistency in scenario writing and automation across the development team. Managed Kubernetes applications using Helm charts, and created reproducible builds of the Kubernetes applications, Managed Kubernetes deployment and service files and managed releases of Helm package. Designed scenarios with a focus on reusability, creating modular and maintainable BDD tests. created and maintained executable scenarios using the Gherkin syntax, converting business requirements into automated tests that are simple to comprehend. Wrote Ansible Playbooks with Python SSH as the Wrapper to Manage Configurations of AWS Nodes and Test Playbooks on AWS instances using Python. Created required data structure, triggers, sequences in Postgres Database. Used NOSQL database Amazon dynamo DB to store data of reporting Application. Built a load balanced web server with Tomcat, Nginx, JBoss. Involved in writing java API for Amazon Lambda to manage some of the AWS services. Migrated applications to the AWS cloud using AWS Server Migration Service (SMS) for automated server migrations. Employed CloudWatch for resource monitoring, including EC2 instances, CPU usage, Amazon RDS DB services, and DynamoDB. Transferred SQL data to Elasticsearch, enhancing search speed and scalability. Established a serverless architecture using API Gateway, Lambda, and DynamoDB, with AWS Lambda code deployment facilitated through Amazon S3 buckets. Used Jasmine and karma for unit testing the Angular Application
Achieved synchronization of multiple threads through Multithreading and Exception Handling. Implemented business logic using Spring service layer and Spring DAO layer using Spring Framework. Implementation of Kafka to avoid loss of messages during handling of messages at the consumer level. Designed best approach suited for data movement from different sources to HDFS using Apache/Confluent Kafka Made use of functional features of Java 8/11 like Functional Interfaces, Lambda Expressions, Method References, Stream API for Bulk Data Operations on Collections which would increase the performance of the Application.
Maintained interface compatibility and concurrency using Java 8 advancements like default and static methods, along with the Concurrency API. Utilized Java 8/11 Method References to refer to methods by their names, leveraging functional interfaces. Implemented continuous code quality inspection using SonarQube, conducting automatic reviews with static analysis to identify bugs, code smells, and security vulnerabilities. Jenkins was employed to trigger jobs, and OpenShift served as the cloud platform for deploying changes across multiple environments. Established a Continuous Delivery pipeline through Docker, Jenkins, and Bitbucket. Deployed applications in a Microservices Architecture using PCF, OpenShift, and Kubernetes. Demonstrated expertise in monitoring tools such as Splunk, Kibana, Grafana, and Graphite, creating alerts and dashboards. Identified errors on multiple servers using status codes and logs, actively participating in bug fixing and providing support during the project's Go-Live deployment with the release team. Utilized Java 8 Method References to refer to methods by their names, leveraging functional interfaces. Implemented continuous code quality inspection using SonarQube, conducting automatic reviews with static analysis to identify bugs, code smells, and security vulnerabilities. Jenkins was employed to trigger jobs, and OpenShift served as the cloud platform for deploying changes across multiple environments. Established a Continuous Delivery pipeline through Docker, Jenkins, and Bitbucket. Explored emerging technologies and engaged in technical sessions to contribute to the client's growth. Delivered proof of concept (POC) on Node.js and GraphQL for integration, unit testing, and client-side testing, specifically focusing on API status codes for Centene API s for external providers and practices.American Eagle Outfitters, Pittsburgh, PA Feb 2021 to Aug 2022
Full Stack DeveloperResponsibilities Work on AGILE Methodology (Scrum Framework) to meet timelines with quality deliverables Used JIRA for project management, Issue tracking and monitoring errors and fixed the Errors and Bamboo as the integration tool and improved scalability of applications on cross-platforms. Participate in AGILE team meetings for project development and testing Participate in user requirement sessions to gather business requirements. Involved in Analysis, Design, Development, Integration and Testing of application modules. Use Team Collaboration Software JIRA and Confluence. Build highly available content distribution sites by using CI/CD tools like Chef, Ansible, Docker, Maven, Jenkins, Jira, Kubernetes etc. Involved in designing and developing Amazon EC2, Amazon S3, Amazon RDS, Amazon Elastic Load Balancing, Amazon SWF, Amazon SQS, and other services of the AWS infrastructure. Worked on a full text search platform using NoSQL Elasticsearch engine, allowing for much faster, more scalable and more intuitive user searches for our database of SCA. Used Elastic search as the data indexer and query parser Used Dynamo DB to store the data for metrics and backend reports. Optimized website and web servers to handle increased loads, including switching sites to Nginx and setting up load balancing with Apache, reducing infrastructure costs Utilized the features of Oracle X store like POS Functionality for easier transactions. To keep track of the inventory management in this industry for multiple locations like an real time inventory update Implemented the CRM features through the Oracle X Store, for retailers to maintain the customer needs by delivery or pickup. Utilized Amazon Route53 to manage DNS zones and assign public DNS names to elastic load balancers IP's. Included security groups, network ACLs, Internet Gateways, and Elastic IP's to ensure a safe area for organization in AWS public cloud. Developed custom Java applications to integrate with GCP services such as Cloud Storage, enhancing data processing capabilities and enabling seamless communication between components. Implemented infrastructure as code (IaC) using Java-based tools like Terraform, automating the provisioning and management of GCP resources and ensuring reproducibility across environments Use Java for building and deploying machine learning models on Vertex . Leverage Java-based tools for pre-processing data, training models, and making predictions. Integrate Java applications with Vertex AI services to perform tasks like image recognition, natural language processing, and more. Utilized the features of Angular 10.0 to present effective web design. Used Java script and AJAX to query the Elastic search indices, format and display the JSON results in a web page using HTML and CSS Used Bootstrap from Angular platform and pointed it to the root component of the application instead of Angular ng-app. Developed the Docker based micro services deployment modules with the Jenkins, Kubernetes, and Ansible based pipelines/frameworks. Used NOSQL database Amazon dynamo DB to store data of reporting Application. Used MySQL, DynamoDB and Elastic-cache to perform basic database administration. Used Typescript and its features such as static typing, classes and interfaces. Created TypeScript reusable components and services to consume REST API's using Component based architecture provided by Angular 10. Worked on Angular 10.0 by consuming REST web services & Used Angular 10.0 forms like Template Driven forms and Modern Driven (Reactive) forms to perform form validations both on server and client side. Utilized jQuery UI for dialogs, date picker, tabs, model pop ups and advanced components to implement UI model. Followed Test Driven Development (TDD) methodology for developing test cases and unit testing using Jasmine test framework with the Karma test runner. As part of agile methodology, perform Continuous Integration and Continuous Deployment of projects using tools Like Bamboo, GIT and Spring Cloud. Development with relational database management systems RDBMS including Oracle, Sybase, MySQL, MS SQL Server, and PostgreSQL
Used Protractor provided by Angular for end to end (e2e) testing. applications using Frameworks such as Spring Core, Spring MVC, Spring AOP, Spring Security, spring Cloud, Hibernate. Comfortable working with MEAN (MongoDB, Express, Angular, NodeJS) stack. Store responses in appropriate file and use SOAPUI tool to test SOAP and REST web services Perform Test Driven Development (TDD): Selenium Testing, JUnit Testing and Load Testing. Design & developed the REST based Microservices using the Spring Boot, Spring Data with JPA. Involved in Oracle database integration and implementation. (SQL Developer and SQL Plus) Used Dynatrace to monitor server health for application and integration servers. Develop web applications using Object Oriented Programming language JAVA and J2EE Technologies such as JSPs, Servlets, JSON, AJAX. Use HTML5, CSS, JavaScript and jQuery for the JSTL on JSPs. Use Nexus for managing all Maven Repositories. Use SoapUI for testing Web Service. Work on AngularJS for one of the single page applications and cross browser functionality. Use RESTAPI with JAX-RS for consuming web services to handle two interfaces XML and JSON. Design the Cascaded Style Sheets (CSS) for designing the styles, skinning and layouts Use Object/Relational mapping tool to achieve object to database table persistency. Use the features of Spring Core layer (IOC), Spring AOP, Spring ORM layer and Spring DAO support layer in order to develop the application Created a Lambda Deployment function and configured it to receive events from your S3 bucket in AWS.Morgan Stanley, Alpharetta, GA Jul 2019 to Jan 2021Full Stack Developer
Responsibilities:
Redesigned the entire layout of the web portal, actively participating in all project phases - analysis, design, development, testing, and deployment. Crafted the User Interface using HTML, Bootstrap, CSS, JavaScript, AngularJS, and React.JS, ensuring a seamless and visually appealing user experience. Leveraged Spring framework features such as Spring IOC, Spring AOP, and Spring Batch to enhance application architecture and performance. Introduced new user-facing features using React.JS and Apache Flink, addressing cross-browser compatibility challenges in Mozilla, IE 7-9, Safari, and Firefox. Utilized React-Router to transform the application into a Single Page Application (SPA) for improved performance. Worked extensively with React JS components, Forms, Events, Keys, Router, Animations, and the WebFlux concept. Developed Java API for interacting with Amazon SQS, facilitating bulk email sending Utilized Web services (SOAP and RESTful) for the transmission of large XML/JSON data blocks. Employed CloudFormation templates (CFT) to provision resources required for cloud formation stacks. Developed cryptographic REST services using NodeJS, ensuring secure data transmission. Implemented A/B testing methodologies for front-end optimization, leveraging tools like Google Optimize. Developed web pages using HTML5, CSS3 with LESS, Angular JS, and Angular UI Bootstrap. Implemented Object-Relational Mapping (ORM) in the persistence layer using Hibernate, employing DAO patterns for database interaction. Integrated Amazon DynamoDB, a NoSQL database, to store data for the reporting application. Implemented Apache Flink for real-time and batch processing, enhancing data processing capabilities. Implemented Amazon CloudWatch for monitoring AWS services and application logs, ensuring robust performance. Contributed to fault-tolerance mechanisms in Flink, ensuring robust recovery of stateful applications in case of failures. Utilized CORBA for seamless communication between heterogeneous components across different platforms. Contributed to the development of distributed systems using CORBA-based middleware solutions. Designed and implemented CORBA interfaces using Interface Definition Language (IDL) specifications. Worked collaboratively in cross-functional teams to create scalable and maintainable CORBA-based applications. Performed debugging and troubleshooting on CORBA-based systems, resolving interoperability and communication issues. Enhanced security, dependability, and performance of existing CORBA implementations. Generated JSON format data packets from middleware controller to front-end using JSON API. Managed AWS infrastructure, including EC2 instances, IAM Users and Roles, Auto Scaling groups, Load balancers, and monitoring through CloudWatch. Collaborated closely with backend developers to align A/B testing strategies with overall product goals. Designed data models for AWS Lambda applications, enabling complex analysis and creating analytical reports for end-to-end traceability and lineage in Aurora. Developed unit test cases using JUnit, Mockito, and EasyMockCardinal Health, Dublin, Ohio Jan 2017 to Jun 2019
Full Stack Developer
Responsibilities: Involved in Daily SCRUM meetings and weekly sprint Meetings. Implemented and developed UI components using Angular JS features like dependency Injection, Models, data binding and controllers. Developed Interactive web pages using HTML5, CSS3, JavaScript and Bootstrap. Handled Java Multithreading part in backend component, one thread will be running for each user Extensively used Hibernate 4.2 concepts such as inheritance, lazy loading, dirty checking and transactions. All the functionality is implemented using Spring IO /Spring Boot, Thyme leaf and Hibernate ORM. Java developer involved in back-end and front-end developing team. Took part in developing, maintaining, reviewing and supporting quality code and services. Utilized swagger for API documentation, while ensuring clear and comprehensive communication of API functionalities to internal and external stakeholders. Used JUnit for unit testing of the application and log4j for logging. Exposing the Microservices to base on RESTful API utilizing Spring Boot with Spring MVC. Implemented Rest based web services using JAX-RS annotations, Jersey Provider and consumed using HTTP services from React JS modules. Developed Application to assess JSON and XML from Restful web service using Angular JS. Database development required creation of new tables, PL/SQL Stored Procedures, Views, and Constraints, Triggers and required SQL tuning to reduce the response time in the application. Integration of automation batch run job with Jenkins Continuous Integration tool. Used SVN as version management, Jira for defect management system.My Class Board, Hyderabad, India Aug 2014 to July 2016
Java DeveloperResponsibilities: Created design documents with use case diagram, class diagrams, and sequence diagrams using Rational Rose. Used Spring framework with EJB 3.0 to create these services which were able to handle transactions in millions. Implemented the MVC architecture using Apache Struts1.2 Framework. Implemented views using Struts tags, JSTL2.0 and Expression Language. Used JMS for reliable and asynchronous exchange of important information such as payment status report. Involved in the Requirements collection & Analysis from the business team. Developed Unit test cases using Junit. Implemented session beans to handle business logic for fund transfer, loan, credit card & fixed deposit modules. Worked with JAXB, SAXP and XML Schema for exporting data into XML format and importing data from XML format to data base and JAXB in the web service's request response data marshalling as well as marshaling process. Implemented web services client to consume the third-party service API for validating credit cards. Used XML Web Services using SOAP to transfer applications that is remote and global to different financial institutions. Used JMS for reliable and asynchronous exchange of important information such as payment status report. Involved in the Requirements collection & Analysis from the business team. Developed Unit test cases using JUnit. Developed Ant scripts and developed builds using Apache ANT. Used Log4J to capture the log that includes runtime exceptions. Used Clear Case for source code maintenance. Implemented Action Classes and server-side validations for account activity, payment history and Transactions.EDUCATION : Bachelor s in Information Technology at JNTUH 2014 Master s in Computer Science at Northern Illinois University - 2017 |
