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Manasa Pendayal - Sr. Java Developer

[email protected]

Location: Austin, Texas, USA

Relocation: Yes

Visa: H1B

Resume file: Manasa Sr.Java Full developer_1744042792674.docx Please check the file(s) for viruses. Files are checked manually and then made available for download.

MANASA PENDYALA [email protected] 737-255-6535 SUMMARY: 8+ years of IT experience in the development of Desktop and Web based applications using Java/J2EE Technologies JSF, XML, EJB, JSP, Servlets, JMS, JDBC, Java Script, Hibernate and JDBC. Expertise in Core Java with a strong understanding and working knowledge in Object Oriented Concepts like Collections, Multi-threading, Exception Handling, HashMap, Streams & File I/O and Polymorphism. Expertise implementing data structures concepts. Expertise working with Java 8 features like lambda, Stream API, Time API, collections, Functional interfaces. Experience in developing web pages using HTML/HTML5, XML, CSS/CSS3, SASS, LESS, JavaScript, React Js, Redux, Flex, Angular JS, jQuery, Bootstrap. Hands on experience on multiple cloud services in AWS and GCP Expertise in implementation of web applications using various open-source frameworks such as Spring Boot, Spring MVC, Spring Core, Spring Security OAuth, JWT Struts, Jersey. Good knowledge in implementation of Persistence Framework like Spring Data JPA and Hibernate ORM (Object Relational Mapping) to map POJOs to a relational database in typical n-type architecture. Expertise on Web services technologies like SOAP, WSDL, UDDI, RESTful API to implement Service Oriented Architecture (SOA) and Microservices and messaging queue with JMS, Kafka. Experience in IBM Sterling Commerce OMS implementation and in customization of IBM Sterling SIM, COM products. Worked on cloud-based RDBMS solutions such as Amazon RDS, Google Cloud SQL, and Azure SQL Database. Hands-on experience in using message brokers such as ActiveMQ and RabbitMQ. Experience in installation and upgrade of IBM sterling commerce OMS, SIM. Designed and developed Microservices Business components using Spring Boot. Experience on working with Hibernate for mapping the java objects to relational database and SQL queries to fetch the data, insert, delete, and update the data from the database. Experience in writing test cases in the Java environment using Junit, Mockito, power Mockito. Expertise in deploying enterprise applications on WEB/Application servers like Apache Tomcat server, WebSphere 5.0/6.0/7.0/8.0, JBoss and Web Logic. Hands on experience JBOSS DROOLS, Guvnor, writing Business rules, Decision Tables, Agenda Filter, Knowledge Base, and JBPM. Experience in integrating LDAP into WebSphere and JBoss application server. Package, integrate, build, and deploy enterprise applications on WebSphere, JBoss and WebLogic application server that involves WAR, JAR, RAR files. Knowledge of UX methodology and experience with applications like In Vision and sketch applications to provide users with real time experience. Experience consuming API s while utilizing python requests to read numerous JSON reports and file automatic bugs. Allstudiesareuptodatewiththenewversionof JAVA11 using Lambdas,Streams Observables and Completable future. Experience in applying the latest development approaches including MVC along with JSON to parse response data for user interface pages. Proficient in developing Single Page Applications (SPA) using Angular JS and React JS. Good knowledge of JavaScript Libraries such as jQuery to create dynamic web pages. Good expertise in analyzing Document Object Model (DOM) layout, DOM functions, JavaScript functions, CSS across cross browser using Firebug and developer tools. Experience in cloud data storage including S3, DynamoDB and Amazon RDS. Experience on Amazon Web Services (AWS) and developing/deploying solutions to AWS Cloud (S3, Lambda, Elastic Beanstalk, and other AWS modules), involved in analyzing and executing tasks with help of AWS batch scheduler, ECS, EKS and Terraform. Working with multi-tier AWS environments spanning across various availability zones using Terraform and CloudFormation. Proficient in implementing Design patterns like Singleton, Factory, DAO, and DTO. Working with Spark and Spark streaming API to integrate it with Kafka and working with Data categorization & segregation to store Data. Good experience in working Wi-Fi Cloud technologies like RedHat OpenShift, Kubernetes, Netflix Eureka. Experience with container-based deployments using Jenkins, Docker, and Kubernetes. Experience with SailPoint deployment activities - connector configuration, custom rule development, workflow configuration and development, third party system integration. Experience integrating with RESTful APIs for server-side functionality and worked with Version Control Systems like GIT, SVN and Bitbucket. Hands on experience in using package managers and automation tools like Bower, Grunt and NPM Expertise working in Agile Environment and worked with the Project Management tool like JIRA, Trello. I have expertise in SQL expression, stored procedure, and triggers with some database like Oracle and have experience on NoSQL databases like MongoDB, Cassandra. TECHNICAL SKILLS: Languages: Java, PL/SQL, Python J2EE Technologies: Spring, Struts, Hibernate, Junit, Log4J, Node-JS, Spring Boot, REST Web Services, SOAP, Spring Boot, Micro Services, ActiveMQ, RabbitMQ, JAX-RS, JAX-WS, REST API. Web Technologies: HTML5, CSS3, JavaScript, ECMA Script, jQuery, Bootstrap, AngularJS, ReactJS, Node.js, Express JS, XML, AJAX, SOAP, REST, JSON. Design Patterns: Singleton, Session fa ade, Front Controller, MVC, DAO, MVVM. IDE s & Tools: Eclipse, My Eclipse, IntelliJ, TOAD, Postman, SOAP-UI, Maven, Maven 2, ANT, Jenkins, Firebug, Jira, Bitbucket, CICD. Application Servers: WebSphere Application Server (WAS), JBoss. Version Controls: SVN, Perforce, Git-Hub. Cloud Technologies: AWS, GCP, (EC2, S3, IAM, Lambda). Web Services: SOAP, Restful, UDDI, WSDL, JAX-RPC, JAX-RS, JAX-WS, JAX-B, Axis2, Micro Services, AWS (Amazon Web Services). Databases: MySQL, PL/SQL, MongoDB, NoSQL, Oracle 11g. EDUCATION: UNIVERSITY OF MISSOURI KANSAS CITY Master of Computer science, Computer Science (2022) Jawaharlal Nehru Technological University Bachelor of Technology (B.Tech.), Computer Science (2016) PROFESSIONAL EXPERIENCE: Client: AMAZON AWS, Austin Aug 2022 Till date Role: SR. Java Full Stack Developer Responsibilities: All business logic in all the modules is written in core Java. Used Java 8 features like Stream, Lambda Expressions, time API, functional interfaces - consumer, predicate. Working on fixing vulnerabilities in applications for clean release. Kafka integration with Spark using Spark Streaming API. Started the front-end application with React and used state object React Class Component for general stateful management. Scalable Data design for mango DB And Redis, cashing in MongoDB With Redis Cache using Spring Boot. Worked on migration to new database, new hosts and involved in migration to AWS services. Implemented Various Versions of Angular and currently having knowledge on Angular 14 Worked on Spring MVC architecture to develop commands objects, controllers, DAO s and model objects. Integrating Splunk to monitor in case of any failures. Analyzing Splunk alerts to fix in case of any issues. Application development support in staging and production environments. Performing Code reviews with spring boot, Docker, AWS Serverless Lambda, Node JS, S3, DynamoDB, CloudWatch, AWS Serverless Lambda, Golang, NestJS, Node JS, S3, Microservices, DynamoDB, CloudWatch, node.js, Logging - Grafana, Prometheus, AWS the team, design API reviews with the Architects. System and Support status reporting, handing off or taking overactive support issues. Investigate and troubleshoot production issues and give extended support during the release process. Customized the java bean validation framework to propagate constraint violations to respective fields in UI layer. Integrated NoSQL databases (MongoDB, Cassandra) with RDBMS for hybrid data management solutions. Extensively worked on Drools Rules Engine and Expectation Engine for writing Business rules Validation. Has experience from development of spring boot microservice application to build and deploy on cloud platform like RedHat OpenShift using automation of Jenkin jobs. Worked on migration plan which includes upgrade of sterling OMS, WebLogic upgrade. Working closely with QA team to provide Sterling OMS functionalities and in preparing test plan. Working with SQL database systems through IBM OMS sterling framework abstraction layers and consume web services to implement data integrations within IBM OMS sterling platform. Designed and developed restful services, UI handlers, core services and data access layer. Worked on implementing frameworks like Spring Data JPA and Hibernate ORM (Object Relational Mapping) to map POJOs to a relational database. Learned to implement Java 11 while hibernate in IntelliJ platform. Tracked GCP (Google Cloud Platform) traffic for error-handling and troubleshooting scenarios. Implemented the function to send and receive AMQP messages on RabbitMQ synchronously and asynchronously and send JMS message to Apache ActiveMQ on the edge device. Knowledge of payment hub concepts for handling different type of payments and formats. Working in enterprise payment systems such as Fed Now, Zelle, Bill pays, wires and SWIFT ISO 20222 compliance. Integrated the Drools and JBPM to application framework which involved dynamic creation of knowledgebase and Knowledge session Experience with corporate payment solutions for wires such as FIS wire. Responsible for code optimization and fixing code coverage, ensuring the quality of code for release. Implemented the functionality to create excel reports to track total trades for audit purposes. Worked on JUnit test cases for all developed Microservices using Junit, Easy mock, Mockito and power Mockito. Experience in Message driven programming using JMS and ActiveMQ. Implemented Authentication, Authorization with spring security. Implemented Web API to use OAuth2.0 with JWT (JSON Web Tokens) to secure the Web API Service Layer. Working with cloud, microservices, spring boot and event architectures using Kafka. Working with Kafa in integrating it with Spark using spark streaming API and to receive real time data using Kafka. Used React-Router to create a single page application. Applied Router Guard to deny unauthorized access. Closely worked with the GCP API team to understand the REST contract between FES and API team and architectural design patterns being followed (E.g., Strangler, Split-Traffic) Worked on data ingestion application to bring data from source system to HBase using Spark, streaming, Kafka. Working on Terraform scripts from scratch for dev, staging and prod, DR environments. Experience with migrating IAC base from Terraform 0.11 to 0.12x latest version and deployment on AWS cloud using Terraform - IAC. Worked on Scala for implementing spark machine learning libraries and spark streaming. Experience using Docker images, Containers and Kubernetes. Developed CI/CD system with Jenkins on Kubernetes environment and docker for runtime environment for the CI/CD system to build, test and deploy. Implemented Kafka streams as message bus and developed data pipelines to ingest data into NoSQL database like Cassandra. Deployed spring bot based microservices Docker container using Amazon EC2 container services and using AWS. Implemented Circuit Breakers to avoid overload on the application when the system. Worked to create new Restful web services and modified existing WSDL application and worked with SOAP UI tool to test REST services and integrated the test suites with Jenkins. Used Java 8 features like stream and Lambda expressions. Worked with JMS requests and responses. Worked with Jasmine unit test framework to write unit tests for java script code. Worked in using ReactJS components, Forms, Events, Keys, Router and Flux concepts. Experience working in migrating SailPoint migration from 6.3 to 7.0p2. Experience implementing self-service feature, password management feature, provisioning feature, forgotten password change in SailPoint. Installed JBoss EPA6 on development and QA environments. Configured JBoss to use WebSphere MQ as a messaging server, monitored JBoss application using Jboss operations network. Experience working with installing, configuring, testing, upgrading, tune new and existing PostgreSQL databases. Experience in upgrading, backup, and recovery of all PostgreSQL databases Experience working with Nagios tool to monitor PostgreSQL database. Provide fixes to issues/bugs reported from test and production environment. Working in setting up application metrics dashboard using tools such as elastic search - Kibana and logstash. Wrote PL/SQL stored procedures and triggers, Unix shell scripts. Experience in Gradle Build tool and understanding the antifactory and repo structure. Used Gradle as a build tool automating the building, testing, publishing, and deployment loading of the dependency s artifact repository. Environment/Tools: Java, PL/SQL, Spring, Spring Boot, microservices, Spring Security, Oracle, PL/SQL, PostgreSQL, Tomcat, JMS, RESTful web services, Junit, GCP,Mockito, power Mockito, JavaScript, Angular JS, React JS, Python, Flask, DOM, Kafka, JBoss, WebSphere, SailPoint, Spark, zookeeper, AWS EC2, S3, EKS, Terraform, CloudWatch, Gradle, Maven, CI/CD, Jenkins, Docker, Splunk, Kibana, Kubernetes. Client: ROCKET CENTRAL, Detroit Oct 2021- Aug 2022 Role: Java/J2EE Developer Responsibilities: Developed multiple progressive Java Web Applications leveraged by allocation and merchandise business units following strict adherence to W3C standards and cross browser compatibilities. Designed and developed Microservices Business components using Spring Boot. Used Spring/Spring Boot, REST web services frameworks across the applications. Designing, developing, and testing the web application by using the HTML5, CSS3, Bootstrap, Angular 9/10 modules, services, templates, directives, services, dependency injection to create a SPA. Implemented unit testing, integration testing and acceptance testing of the system using Jest and Puppeteer. Defined a message store architecture necessary to support drools rule engine input processing, scalability and recovery. Designed and managed data migrations and ETL pipelines between RDBMS and NoSQL systems. Worked on developing Restful Endpoints to cache Application Specific Data In In-Memory Data clusters like Redis and exposed them with Restful Endpoints By Using Redis Cashe Developed Data Ingestion application to bring data from source system to HBase using Spark Streaming, Kafka. Developed Spring boot batch applications and deployed on Linux batch servers and cloud platforms like Red hat OpenShift Involved in Analysis and Logging -, Java Script, API, Grafana, Prometheus design phased. Prepared analysis and design documents as per the client s requirement and Jenkins got reviewed spring boot and approved by client. Developing and becoming proficient with new technologies like Java 11, React hooks, Spring 5.2. Experience in cloud services using Amazon Web Services (AWS) and Google Cloud Platform (GCP). Working with AOT, Jxs, Lazy loading and eager loading. Experience in and demonstrated understanding of source control management concepts such as branching, merging, labeling and integration. Good knowledge in managing the Nexus and antifactory repositories for the maven artifacts and dependencies for react development. Experience in Message service like JMS with ActiveMQ, IBMMQ Working on call rotation to support applications in both production and development environments. Investigate and troubleshoot defects reported in the production environment, solving them. Writing shell scripts to monitor application logs and configuring alerts. Used web services SOAP and Restful for transmission of large blocks of XML. Familiar with JSON based REST Web services and Amazon Web Services (AWS). Involved in writing Java API for Amazon Lambda to manage some of the AW S services. Experience in cloud data storage including S3, DynamoDB and Amazon RDS. Experience on Amazon Web Services (AWS) and developing/deploying solutions to AWS Cloud (S3, Lambda, Elastic Beanstalk, and other AWS modules). Experience working with multi node Apache spark cluster for data store and data processing, importing structured data. Consumed and Exposed webservices and deployed on Linux batch servers and cloud platforms like Red hat OpenShift and Azure Experience working with Spark streaming API to work with Data segregation and categorization. Experience working with AWS Batch scheduler to analyze the results and determine how to execute tasks that are queued. Installed and worked with Jboss application as proof-of-concept server. Implemented clusters in WebSphere and JBoss for load balancing and failures. Worked with IBM OMS sterling platform and services, create and consume web services SOAP, XML-RPC, REST to implement data integrations within the IBM OMS sterling platform. Experience implementing Circuit Breakers to avoid overload on the application when the system memory is full. Implemented Messaging Trigger component using JMS, ActiveMQ. Experience implementing Authentication & Authorization with spring security. Experience working with multi factor framework, which calls Actimize event handler web service, mobile methods to get atomize event handler, for web and mobile methods to retrieve analytics score. Experience working with Actimize SOAP client to test atomize web service with appropriate inputs. Experience in working with shell scripts to develop atomize installer. Experience working with resolving, detecting any issues, failures in atomize job and deep analysis. Experience implementing Web API to use OAuth2.0 with JWT (JSON Web Tokens) to secure the Web API Service Layer. Experience in updating SailPoint IIQ workgroups and monitor SailPoint IIQ and responsible in managing administration functionality of the SailPoint such as loading data, create roles, create policies, scheduling tasks, certifications and reports. Deployed and configured infrastructure using Terraform and CloudFormation. Programmed views using java classes and web implementation of controllers and servlets. Extensively worked with Version Control Systems SVN (Subversion) and GIT Experience in all phases of SDLC like Requirement Analysis, Implementation and Maintenance, and extensive experience with Agile and SCRUM. Focused on Cross-browser features of pages. Implemented tests on Chrome, Firefox, IE with Chrome developer tools and firebug. Develop complex functionalities using Java 11, HTML, and CSS. Maintained Interface compatibility and concurrency in the project using Java 8 new features like default, static methods, and Concurrency API. Developed functionality to enhance and maintain applications, implementing models for data processing and storage using Zookeeper. Worked with WSDL and Soap for development with XML based applications. Designed and developed Microservices business components using Restful services... Responsible for code optimization and testing the application and fixing bugs using project management tool JIRA. Implemented solutions using Hadoop, Apache Spark, Spark Streaming, Spark SQL, HBase and Scala. Working with data modeling, querying, and reporting using elastic search and Kibana tools. Used Spring / Spring Boot and rest web services Frameworks across the applications. Worked on Spring MVC architecture to develop command objects, controllers, DAOs and model objects. Worked with NPM, Webpack Implemented Auto-scheduling of data export from DB to GCP Storage using Google Cloud Scheduler to provide updated data at regular intervals to the Club Operations and to feed data into Data Engineering pipeline for analytics purpose. Implemented agent-server messaging dialog using Camel and JMS (Active MQ implementation) Integration of Amazon Web Services (AWS) with other applications infrastructure. Environment/Tools: Java, PL/SQL, Spring, Spring Boot, Spring Batch, IBM Sterling OMS, Oracle, PL/SQL, Cassandra Tomcat, MVC, XML, JSP, JSON, AWS, HTML5, XHTML, CSS, SASS, Bootstrap, JavaScript, jQuery, React JS, DOM, Angular JS, Splunk, Actimize, AWS EC2, S3, JBoss AS 7, AWS Scheduler, Terraform, Cloud formation, Kafka, SailPoint, Spark, zookeeper, HBase, Gradle, Maven, CI/CD, Jenkins, Docker, Kibana, Jenkins, Docker, Kubernetes. KANTAR GDC India Nov 2018 Jan 2021 Role: Full Stack Java Developer Responsibilities: Developed a Research Management Database System for facility management, Animal health record management process. Used Angular7, HTML5, CSS, JavaScript, XML, AJAX, JSON and Bootstrap4 to create Single Page Applications (SPA) to bind data to specific views and synchronize data with server. Hands-on experience in creating Angular Modules, Controllers, Directives and Filters to deploy the business logic and bind the data/model that is being retrieved from a database through services provided in a controller to the view using scope. Used Java 8 Method References feature to point to methods by their names and used functional Interfaces. Used JavaScript to handle the validations and bind the Event Handlers. Asynchronously fetched data from backend using Promise which include $http service. Utilized Angular JS UI-Router for managing State Transition and URL route. Implemented two ways Data Binding among models, Controllers and Views to provide continuous updates among View and Models. Built reusable custom directives and custom filters for DOM manipulation and format displayed data in the view. Managing Amazon Web Services (AWS) infrastructure with automation and configuration management tools such as Chef and Puppet. Hands on experience with build tools like ANT, Maven. Understanding of Continuous Integration, Continuous Deployment, and a drive to automate everything. Experience in designing and configuring sail point identity 6.3 to manage the identity and access of users to on-premises apps. Experience in building interfaces from OMS to SAP and prepare documents accordingly to OMS. Worked on upgrading and migrating of Sterling OMS, web logic update and impact analysis from 8 to 9.1 upgrade. Experience with Azure development, Azure web application, App services, Azure storage, Azure SQL. Experience in Microsoft Azure cloud services (PaaS, IaaS) application insights, Azure monitoring and SQL Azure. Performed front end development of a moderate to high complexity which required research and analysis. Apache Camel's AWS component is used to upload documents to S3. Review requirements and user stories produced by Product Owners Experience in understanding Angular7 practices and commonly used modules based on extensive work experience. Working with JavaScript (ES6) features scopes, closures, promise, modularization. Created Server instances on AWS. Tomcat and Swagger are installed and used for deploying Microservices. Involved in cross platform Validation and Exception Handling policies. Work in a cross-functional team to deliver a complete user experience. Worked with CI/CD pipelines for code quality analysis with the help of PMD and Linting rules. Helped in solving Client/Server Integration issues based on Object Oriented Java programming and integrated front-end with middleware applications. Rapidly prototyped interface designs in hand-coded validating, standards-compliant and semantically rich code to support usability in desktop, mobile and tablet environments. Responsible for code optimization and testing the application and fixing bugs using project management tool JIRA. Involved in SDLC like requirement analysis, Implementation and maintenance for providing server-side rendering support for the application. Used jasmine for testing and Jenkins for deployment purposes. Environment Tools: HTML5, XHTML, CSS, SASS, JavaScript, DOM, jQuery, Bootstrap, Typescript, Angular Js, Java, PL/SQL, Microservices, Spring, Spring Boot, IBM OMS, Oracle, Tomcat, MVC, XML, JSP, JSON, Splunk, Azure, AWS EC2, S3, AWS Scheduler, Kafka, Kibana, Jenkins, Docker, Kubernetes. Client: Fusil Solutions Private Limited April 2016 Nov 2018 Role: Java Developer Responsibilities: Responsible for gathering Business Requirements and User specifications from Business Analyst/client team. Involved in developing Web service coding, testing and deployment of the application. Worked on Spring Framework with dependency injection for application customization and upgrade. Designed and developed Microservices Business components using Spring Boot. Used Spring/Spring Boot, REST web services frameworks across the applications. Worked on Spring MVC architecture to develop commands objects, controllers, DAO s and model objects. Integrating Splunk to monitor in case of any failures. Analyzing Splunk alerts to fix in case of any issues. Implemented Hibernate in the data access object layer to access and upgrade information in Oracle 10g DB. Built rich prototypes and applications using HTML, CSS, JavaScript, jQuery, XML, AJAX, JSON, AngularJS and Bootstrap. Strong Experience in dealing with CSS Concepts like CSS Background, CSS Layouts, CSS positioning, CSS text, CSS border, CSS margin, CSS padding, Pseudo classes, Pseudo elements, CSS Animations and CSS Box Model. Extensively used the JavaScript, Ext JS, AngularJS Front-end development which includes a deep understanding of the DOM, JSON, object-oriented JavaScript, Bootstrap and common JavaScript libraries Developed cross-browser compatible web pages using HTML, CSS and JavaScript to match design specifications for complex page layouts while adhering to code standards. Used Bootstrap and Media queries to create a responsive website that fit all users and devices from desktop to tablet and mobile phone. Experience in applying the latest development approaches including MVC in the browser, event-driven applications using AJAX, JavaScript, JSON and AngularJS. Create complex JIRA workflows including project workflows, field configurations, screen schemes, permission schemes and notification schemes in JIRA. Used AngularJS MVC Framework in the development of the web application to bind the data/model that is being retrieved from a database through services provided in a controller to the view using scope. Worked extensively with the File management and image libraries. Worked on Microsoft Azure cloud to provide Iaas support to client. Creating storage pool and stripping desk for Azure virtual machines, back up configure using Azure backup. Troubleshoot and fix test incidents till closure for MS Azure IaaS platform. Used jQuery and JavaScript to make the frontend components interactive to add dynamism to the web pages at the client side. Developed reusable AngularJS directives. Used Test-Driven Development with Agile SCRUM methodology and involved in all the business meetings and status update meetings as a part of SCRUM. Debug the application using Firebug to traverse the documents and manipulated the nodes using DOM Functions. Developed a RESTful API that provided account management capability as well as security role lookup and management for all downstream dependencies. Fixed the defect and tracked them using Quality Center to completion by communicating and co coordinating with the QA and product owners. Environment Tools: Java, J2EE, AWT, Spring, Spring Boot, Oracle, Spring, Hibernate, MVC, Tomcat application Server, JSP, Servlets, Splunk, Oracle 10g, Pl/SQL, Junit, XML, log4j, Maven 3.0, HTML/HTML5, CSS/CSS3, JavaScript, TypeScript, jQuery, Bootstrap, Angular JS, AJAX, JSON, JIRA, REST web services, Azure, AWS. Keywords: continuous integration continuous deployment quality analyst user interface user experience message queue javascript sthree database information technology microsoft procedural language Colorado Wisconsin