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Usha Latha Vaddeboina - Java Fullstack Developer

[email protected]

Location: Austin, Texas, USA

Relocation: Yes

Visa: H1b

Resume file: Usha Sr.Fullsatck Developer_1752499002518.docx Please check the file(s) for viruses. Files are checked manually and then made available for download.

USHA VADDEBOINA 470-480-1899 PROFESSIONAL EXPERIENCE Over 9+ Years of experience in designing and developing Java/J2EE Client and Server-side Enterprise Applications using object-oriented methodologies, enterprise technologies, frameworks and design patterns. Experience working with different SDLC (Software Development Life Cycle) including Requirement gathering, Analysis, Design, Coding, Testing and Implementation like AGILE (SCRUM), TDD, and Waterfall Models. Extensive experience in Front-End UI technologies like HTML4/5, XHTML, DHTML, CSS2/3(using SASS and LESS), Bootstrap, Angular 8.0, React JS in developing dynamic and responsive web pages. Good experience in Client-Side Scripting like JavaScript/Typescript, ES6 to build highly interactive web pages. Good technical experience on various components of Anypoint Platform like Anypoint API platform and Messaging Queues. Experience in designing and developing RAML based APIs using Anypoint API platform. Experience in developing client-side validations using Angular 8 and in developing Custom pipes, Shadow DOM. Experience in developing network applications using Node.js with an event-driven, Asynchronous approach and single threaded model with event loops. Excellent SQL development skills to write complex queries involving multiple tables, great ability to develop and maintain stored procedures, triggers, user defined functions. Experience in applications using SOA architecture with SOAP, Restful Services and used XML for message communication. Extensively used XML documents with XSLT and CSS to translate the content into HTML to present to GUI. Developed Micro services based on RESTful API utilizing Spring Boot with Spring MVC. Expertise in AWS services including Lambda, DynamoDB, S3, IAM, API Gateway, CloudFormation, and CloudWatch. Managed authentication and authorization with IAM roles and AWS Cognito. Proficiency in optimizing serverless functions and database queries to enhance performance and cost efficiency. Responsible for creating efficient design and developing User Interaction screens using HTML, CSS3, Bootstrap, JavaScript, Angular 8 and Node JS. Enhanced application performance by Angular 8 Component based development in view of future Angular framework transitions. Implemented secure authentication with LDAP OAuth2 for generating tokens in the application using Spring Security. Widely used various open-source MVC architecture like Struts 2.0, Spring MVC, and Object Relational Mapping (ORM) Frameworks like Spring JPA with Spring Data, Hibernate, IBatis MyBatis, and Spring JDBC, jQuery. Worked with NoSQL based ORM frameworks like Mongoose Connector and Cassandra Node Driver. Excellent experience with Relational databases like MySQL, Oracle, SQL Server, DB2 and No SQL databases like MongoDB, CouchDB and Cassandra. Experience in writing complex Queries, Stored Procedures, Triggers, Cursors, and Functions. Involved in using Amazon Web Services like RDS, EC2, Redshift, SQS, SNS, Cloud Watch and S3. Deployed our Application on Pivotal Cloud Foundry which is used to reduce the development overhead by providing a ready to use platform. Involved in writing test cases and test plans using TestNG, Spock, Mockito and Junit Power mock, HQL embedded DB to test databases. Experienced in building applications using Maven, Gradle and ANT tools. Extensive hands-on experience in setting up CD/CI pipelines using Jenkins, Bamboo, Anypoint Runtime Manager. Technical Skills: Programming Languages Core Java, C, C++, SQL, Python. Web Technologies HTML5, CSS3, JavaScript, AJAX, JSON, Bootstrap, jQuery, Angular 8, ExtJS, BackBone JS, Flux, NodeJS, Express JS. J2EE Technologies & frameworks Servlets, EJB, JSP, JSF, JDBC, SOAP, WSDL, REST, XML, XSD, JAXP, JAXB, JPA, Spring, Hibernate, Spring MVC, Spring Boot, Spring Data, Spring Batch, Spring cloud, Spring Security. Databases Oracle 8i/9i/10g/11i, DB2, SQL Server 2000/2005/2008, MYSQL, MongoDB, Cassandra, DyanamoDB Application/Web Servers Oracle Web logic, IBM Web Sphere, JBoss, Glassfish, Apache Tomcat Messaging Services JMS, Active MQ, Rabbit MQ, Kafka Build & Configuration Tools Ant, Maven, Gradle, Jenkins, Gulp, Web pack, Chef, Puppet Testing Tools Junit, TestNG, Mockito, Jasmine, Karma, Mocha, Chai. Version Control Tools GIT, SVN, CVS, Bitbucket, TFS Project Management Tools JIRA, Azure Devops, Rally, Microsoft Project Cloud Technologies AWS, EC2, EBS, S3, Docker, ECS, 3API Gateway, Cloudhub Exchange, CloudFormation, AWS Lambda, IAM. Operating System Windows, Linux, Unix, MS-DOS IDE s Eclipse, Visual Studio, IntelliJ, Spring Tool Suite, Anypoint Studio PROFESSIONAL EXPERIENCE Client: Vanguard Jan 2025 Till Date Role: Sr. Full Stack Developer Project Title: Indus-Index Data Description: The SOl (Securities of Interest) component of Managed SRM defines the list of securities that are relevant to front, middle and back-office fund business function on a given day. This includes fund held, benchmark constituents, securities in the ET baskets and those needed for risk/research this is integrated with the Managed SRM service, which will need to ingest and store the constituent level Key for use for all publication types. This enables index consumers to have an identifier that can be used to match across data sets. This is bounded by the ability to interact with managed SRM and incorporate any managed SRM data points into the standardized schema. The Enriched data from the index data load with MSRM from the cache and save Index Data to S3 Ingestion partition. Approved SOl providers will submit a list of securities to a GIDM-owned S3 bucket, which will trigger the security resolution and enrichment processes. This process is to take an ingested and validated index and enrich it's securities with UKey and other market identifiers. Roles & Responsibilities: Actively participated in Agile development processes, including daily stand-ups, sprint planning, and retrospectives. Designed and implemented serverless applications using AWS Lambda with Java for efficient, event-driven workflows. Developed and maintained high-performance, scalable RESTful APIs utilizing API Gateway, Lambda, and DynamoDB. Automated infrastructure provisioning with AWS CloudFormation, reducing manual effort and optimizing deployment times. Enhanced security through the implementation of IAM policies and roles to control access to AWS resources. Integrated AWS S3 for file management, ensuring high availability and cost efficiency. Improved caching strategies using Redis, boosting application performance and minimizing database load. Developed scalable microservices in Java deployed on AWS Lambda, significantly reducing infrastructure costs. Built data pipelines using DynamoDB Streams and AWS S3 for real-time data processing and analytics. Implemented IAM roles and policies, adhering to security best practices and enforcing least-privilege access. Created CloudFormation templates for automated environment setup and deployment. Enhanced API performance through DynamoDB query optimization and caching techniques. Designed an end-to-end e-commerce backend with AWS Lambda, API Gateway, DynamoDB, and S3. Deployed infrastructure using CloudFormation, ensuring consistency and reliability. Developed a serverless logging system with AWS Lambda and DynamoDB Streams for real-time log processing. Implemented S3 lifecycle policies for efficient log archiving and management. Efficient in monitoring and performance tracking using AWS CloudWatch. Monitored development progress using Jira to maintain alignment with Agile methodologies. Managed code repositories and CI/CD pipelines using GitHub Actions and AWS CodePipeline, streamlining deployment processes. Client: Flagstar Bank, Troy, Michigan May 2020 Dec 2024 Role: Sr. Java Full Stack Developer Project Title: Underwriting Description: Underwriting Services aims to provide mortgage loans to the customers based on autogenerated documents that were received based on the loan application number. It systematically collects information about customer from Property, Credit Report, Asset, Real Estate and Borrower Income details. Underwriting aims to enhance applications by optimizing them to ensure they are free of production bugs. Used Bitbucket, GitHub, SonarQube, and more to comprehensively assess all applications within an organization. Subsequently, it utilizes a rule engine to analyze and calculate a maturity score for each application. Project Title: Fund Timers Description: Fund timers allow the wire services to run the batch Jobs. Each loan will have a primary and secondary borrowers. Utilized batch processing using Spring Batch and Tekton task runs for efficient data processing. All the jobs that ran for the scheduled time and the status reports were sent through email. Roles & Responsibilities: Followed Agile methodology and involved in daily meetings, sprint planning, showcases and retrospective and used JIRA as a tracking tool for the sprints. Used Splunk Tool for debugging Issues in Production and Responsible for Developing Member Portal Application components using Java, UI Technologies such as HTML5, CSS3, JavaScript. Created REST API documentation using Swagger and created Docker compose YAML file and Docker file to create docker images and containers. Develop RAML documents using Any point API Platform. Provide mocking services to application developers. Used different transformers, exception handling, testing & Security of Mule soft ESB endpoint through OAuth Developer Restful API using APIGEE platform. Use CloudWatch for monitoring AWS Cloud resources and the applications that are deployed on AWS. Node.js API server is deployed to AWS via Docker container service. AWS EC2 instances were configured in dev and QA environments with NodeJS. Used Apache Kafka cluster as messaging system between the APIs and Microservices. Used Apache Kafka to aggregate web log data from multiple servers and make them available in Downstream systems for Data analysis and engineering type of roles. Closely worked with Application using Node.js libraries NPM, gulp directories to generate desired view. Worked with the Node package manager (NPM) along with Gulp. Used Spring IOC, AOP, Spring Boot to implement middle tier and at backend which helps to develop application with ease. Recommend and develop strategy for integrating internal security model into new projects with Spring Security and Spring Boot. Created REST micro services using Spring Boot and took part in enhancing existing Java and Spring applications. Deployed Mule RAML specs through Cloud Hub Exchange and ran the mocking services. Experience in encrypting and decrypting files for API s through Exchange in Cloud Hub Design Center. Used Angular 8 component router for navigation. Worked with Angular 8 directives, components, pipes, and injectables. Programmed in Angular to upload (post) files/images to the AWS S3 browser from the Front-end by installing the NPM package of AWS-SDK. Created Typescript reusable components and services to consume REST API s using Component-based architecture provided by Angular 8. Involved in the development of services with Angular 8 injectable property, as to make the service available for dependency injection when creating components. Created new entities and JPA repositories using Spring JPA and created REST validations for XML and JSON requests for REST controllers. Developed microservices on boarding tools and Jenkins allowing for easy creation and maintenance of build jobs and Kubernetes deploy and services. Involved in writing SQL scripts and creating backend database tables for complex business operations. Involved in writing queries, stored procedures and modifications to existing database structure as required per addition of new features. Used Microservice architecture with Spring Boot based services interacting through a combination of REST and Apache Kafka message brokers. Developed queues using AWS SQS with JMS for services to subscribe and listen to events using Spring JMS. Created cloud formation templates in setting up DEV, QA and UAT environments using AWS Cloud formation and leveraged Elastic container services to run Docker micro services in AWS. Worked on Log4j API for logging in development, testing and production environments, configured to send email notifications. Worked with SASS to build better and optimized Style sheets. Creating and managing schema objects such as tables, views, indexes, stored procedures, and triggers & maintaining Referential Integrity Used Spring Boot which is radically faster in building cloud Micro Services and developing Spring based applications with very less configuration. Migrating existing applications into REST based Micro services to provide all the CRUD capabilities using Spring Boot. Used Swagger specification for documenting REST APIs which exposes description of a RESTFUL web service to different clients. Deployed the Dockerized Spring Boot application using AWS Elastic Beanstalk (EBS). Authenticating Users and to provide the security to RESTful web services using OAUTH 2.0 Environment: Angular 8, HTML5, CSS 3, JavaScript, AWS S3, RESTful Web Services, Web Pack, Spring Boot, Jersey, Micro Services, Rest Services, AWS, GitHub, JIRA, Jenkins Anypoint Studio. Client: The Vanguard Group, Malvern, PA June 2019- May 2020 Role: Java Full Stack Developer Project Title: Market Data Description: Market Data project focus on generating the real-time data which utilizes the wide range of infrastructure. It aims to collect the market value of stock prices, currency exchange rates to get the real-time data and delayed data. Real-time data provides most accurate info and allows investors and traders to make decisions based on current market conditions. Integrating Evaluating the real-time market data with data accuracy, timeliness, reliability, consistency and the standards. Roles & Responsibilities Followed Agile methodology and involved in daily SCRUM meetings, sprint planning, showcases and retrospective and used JIRA as a tracking tool for the sprints. Designed the responsive front-end screens using Angular 6, HTML5, CSS3, JavaScript, Typescript, jQuery and Bootstrap. Created various Angular 6 services, modules, pipes, attribute directives and worked with both template and data driven forms. Took part in setting up the routing configuration using Angular 6 UI router for various views and sub views and Angular CLI with Web Pack to perform builds and create production ready code for deployment. Worked on Components, Directives, Services, Forms, Http Access, Authentication, optimizing an internal application using Angular 6 with Modules and Offline Compilation. Implemented features such as routing, data binding, data updates without a page refresh using Angular 6. Used Angular 6 Http services for asynchronous validations for the input fields of the forms with the data that existed in the database. Consumed REST services using jersey web resources for various HTTP methods and developed REST services using Node-JS, Express, Underscore, body-parser and mongoose for another internal application. Created various unit test cases to test pipes, services, components with Jasmine and Karma. Extensively used Core Java collections, Generics, Exception handling, Design patterns for functionality, also worked on Java functional programming concepts, lambda expressions. Developed scalable applications using the MEAN (Mongo-DB + Express.JS + Angular.JS + Node.JS) stack and created POC's for rest service development using Node.JS, Express.JS and MongoDB. Developed RESTful services using Express-JS and used express middleware for authentication and authorization. Using Spring Boot which is radically faster in building Microservices and developing Spring based applications with very less configuration. Configured Package .json for application development and deployment dependencies and used Node NPM to set it up. Developed business components using Spring boot, IOC, AOP, Spring annotations and created user detail service for authentication and access control using Spring LDAP and Spring Security. Developed hibernate ORM mappings using Hibernate and JPA annotations to map java classes to database tables. Developed hibernate inheritance mapping using single table approach and configured multi-level caching in Hibernate. Writing and retrieving files to and from AWS S3 bucket for UI to render data faster that involves complex and time-consuming server-side logic. Environment: Spring MVC, Microservices, Spring boot, JPA, Hibernate 4, AWS S3 bucket, Angular 6, MongoDB 3.2, Express JS 4, Node JS 5, REST, JUnit, Jenkins, Selenium, Mockito, S3 Bucket Maven, XML, JIRA, Ajax, XSD, java Script, Karma, Typescript, jQuery and Bootstrap. Client: Nationwide Insurance, Harleysville, PA Nov 2018-June 2019 Role: Full Stack Developer Project Title: Service Bench Description: The Service Bench application facilitates collaboration between Agents and policy holders to deliver high-quality service to consumers. Serving as a centralized hub, it acts as a singular point of contact, receiving customer requests on claims and monitoring service progress until completion. Roles & Responsibilities: - Designed and developed the UI using spring view components, JSP, HTML, CSS, jQuery and AngularJS. Developed queues using AWS SQS with JMS for services to subscribe and listen events. Implemented logic to listen and to subscribe events. Also used jQuery Mobile in designing responsive web sites. Used spring validator framework for client side and server-side validation. Also implemented dynamic loading of JSP using AJAX. Create RFP (Request for Proposal) microservices to provide Restful API and RAML utilizing Spring Boot with Microservices. Built Spring based Java and Scala microservices to support enterprise web applications. Used Spring Core for Dependency Injection/Inversion Of Control (Ioc), and integrated frameworks like Struts and Hibernate. Utilize Struts (MVC2) framework and developed JSP pages, Action Servlets and XML based action-mapping files for web tier. Wrote stored procedures to get the fields required for the reports. Docker is used for creating images that are deployed on AWS. Configured Docker container for branching purposes. Used Java script for validation of page data in the JSP pages. Created continuous integration system using SVN, Maven, ANT and Jenkins. Used Struts Framework in the application which is based on MVC2 design pattern. Environment: Java 8, J2EE, HTML5, CSS3, Angular Js, Node Js, JSP, Spring MVC, AWS, ANT, Maven, Jenkins, JavaScript, Bootstrap, JDK 1.7, tomcat 7, Servlets, Spring 3.0, MVC, Oracle Database SQL, Mithra, Elasticsearch, JIRA, Confluence. Client: Anthem, Indianapolis, IN May 2016- Oct 2018 Role: Sr. Java Developer Project Title: App Insights Description: App Insights aims to enhance applications by optimizing them to ensure they are free of production bugs. It systematically collects data from various sources such as Datadog and more to comprehensively assess all applications within an organization. Subsequently, it utilizes a rule engine to analyze and calculate a maturity score for each application. Roles & Responsibilities: - Used OOAD for building applications. Involved in gathering business requirements, analyzing the project and creating use Cases and Class Diagrams. Created sequence diagrams, collaboration diagrams, class diagrams, use cases and activity diagrams using Rational Rose for the Configuration, Cache & logging Services. Developed highly efficient algorithms in C++ through both pair-programming and independent work. Designed and developed the project using MVC design pattern and developed front end using Spring MVC framework, business components using Spring. Developed Spring MVC validators to perform server-side business object validations. Implemented Tiles based framework to present the layouts to the user and has developed UI using view tags (HTML), JSP, JavaScript, CSS. Implemented Generic DAO using Spring JDBC to handle database operations on Similarly Constructed Developed RESTful API with Spring Framework for benchmarking purposes. Implemented Spring framework in the presentation tier for all the essential control flow, business level validations and for communicating with the business layer. Wrote authentication and authorization classes and manage it in the front controller for all the users according to their entitlements using Spring security. Implemented caching techniques, wrote POJO classes for storing data and DAO s to retrieve the data and did other database configurations using Spring. Developed SOAP based Web Services for Integrating with the Enterprise Information System Tier. Developed unit test cases for the data access layer and business components using Junit and EasyMock. Environment: Java/J2SE 1.5, JSP, Servlets, JAXB, XSLT, DOM, XML, Spring 3.0, Web Services, JNDI, J2EE, RSA, JBoss6.0, Rational Rose, Spring, CVS, XML, Log4J, Oracle9i, gradle, Junit, Jenkins, Junit, Rational Rose, JavaScript, DHTML. EDUCATION Master of Engineering in Computer Science from California, USA in 2016 Bachelor of Technology in Computer Science Engineering from JNTUH, India in 2014 Keywords: cprogramm cplusplus continuous integration continuous deployment quality analyst user interface message queue javascript sthree database information technology microsoft Pennsylvania