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Professional Summary: Over 12+ years of hands-on expertise in Java, J2EE, and client-server technologies, encompassing Requirements Analysis, Design, Development, and Implementation phases. Proficient in front-end development utilizing Adobe Flex, MXML, ActionScript, AJAX, JavaScript, CSS, HTML, and DHTML, with extensive experience in building Flex Rich Internet Applications (RIA) following Cairngorm MVC architecture and Mate Framework. Skilled in cloud platforms with a focus on Amazon Web Services (AWS), including S3, EC2, Elasticsearch, VPC, RDS, EBS, SQS, and LAMBDA, leveraging cloud-native solutions for scalable and resilient applications. Experienced throughout the Software Development Life Cycle (SDLC) in large-scale enterprise environments, employing Object-Oriented Analysis and Design principles. Proficient in Agile and SCRUM methodologies, adept at adapting development processes to ensure efficient project delivery. Extensive expertise in Java, JSP, Servlets, JavaBeans, JSTL, JDBC, JNDI, SQL, AJAX, JavaScript, and XML for application development. Strong working knowledge of J2EE frameworks including Struts, Spring, Hibernate, and EJB, with experience implementing design patterns such as MVC, Singleton, Observer, Factory, and Session Facade. Proficiency in configuring and deploying Web Applications across various application servers including WebLogic, WebSphere, JBoss, Tomcat, and Apache. Skilled in database management systems such as Oracle, MySQL, MongoDB, and NoSQL, adept at establishing database connections and utilizing ORM tools like Hibernate. Experience in Test-driven development (TDD) and Behavior-driven development (BDD) using Cucumber-JVM/JRuby, ensuring robust and reliable software solutions. Expertise in common API technologies such as OAuth, SAML, Spring Boot, and Microservices, facilitating seamless integration and interoperability between components. Well-versed in developing SOA, REST, and J2EE Web Services based on SOAP, BPM, WSDL, JAX-WS, JAXB, and JAX-RPC, utilizing tools like Apache Axis. Proficient in utilizing IDEs including RAD, IBM WebSphere Studio Application Developer (WSAD), and Eclipse, with strong familiarity with Hibernate and Spring frameworks. Sound understanding of RDBMS concepts, extensive experience with Oracle, PL/SQL, SQL Server, and DB2, including designing and coding stored procedures, triggers, cursors, and functions. Experienced in developing Test Cases using JUnit and utilizing Cruise Control for Continuous Integration, ensuring high-quality software deliverables. Skilled in Internationalization (i18n) and Localization (l10n) techniques, with experience in XML, SOAP, XML-RPC, JAX-RPC, JAXB, and JMS for messaging standards.Education: Bachelor s in computer science from KL University, IndiaTechnical SkillsLanguagesJava (J2SE1.8/1.6/1.5, J2EE 6/5), SQL, PL/SQL, UML
TechnologiesJSP2, Servlets, JavaBeans, JDBC, Struts, RMI, EJB, Hibernate, Spring 3.0, Spring 4, SOA, SAX and DOM Parsers, AJAX, JAXB, JAXP, LDAP, Sybase Power Designer, RESTful and SOAP web servicesWeb TechnologiesHTML/DHTML, XHTML, JavaScript1.x, XML, XSL, XSLT, CSS, Bootstrap, Angular-JS, ReactJS jQuery
Development Tools (IDEs)Eclipse, MyEclipse, RAD, WSAD, NetBeans, MS Visual Studio 2005, Brackets and Web stormWeb/Application ServersTomcat, WebLogic, IBM WebSphereData BaseOracle, MS SQL Server, MySQL, DB2, Mongo DB.PlatformsWindows, UNIX, LINUXMethodologiesAgile Methodology, RUP, Extreme ProgrammingBuild 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.Work ExperienceClient: Palo Alto Networks, Sep 2022 to PresentFull Stack DeveloperResponsibilities:
Developed user interfaces using Angular framework with AJAX, JavaScript, HTML, DHTML, and CSS. Designed and developed the REST-based Microservices using Spring Boot. Designed and developed a MongoDB (NoSQL) based external RESTful API Efficiently handled periodic exporting of SQL data into Elasticsearch. Used Java 8, and Lambda expressions (for code optimization and improved performance). Integrated Kotlin into the project ecosystem, leveraging its concise syntax and interoperability with existing Java codebases to enhance development efficiency and code readability. Developed the Web-Based Rich Internet Application (RIA) using J2EE (Spring framework) and Macromedia Flex. Leveraged Kotlin s null-safety to reduce runtime exceptions and enhance system stability. Applied Kotlin s higher-order functions and lambdas for more maintainable, expressive code. Designed and developed a MongoDB (NoSQL) based external RESTful API for exposing the functionality of an existing SaaS platform to clients in an agile work environment using a web client. Implemented application-level persistence using Hibernate and Spring. JVM heap analysis using Jprofiler and Identifying hotspots and Major GC cycles for performance tuning. Developed software for AWS in Java 8 (using Spring Framework 5.0, MySQL 5.6, AWS Aurora, Lambda, API Gateway, S3, SNS, SQS, DynamoDB, EC2, EBS, Akamai WAF (web application firewall) and Apache Tomcat web server.) Streamlined testing with Kotlin libraries like kotlin.test and MockK for better unit and integration tests. GraphQL integration, WebSocket endpoint deployment, and secure authentication mechanisms specific to WebSocket communication were not explicitly mentioned. Worked on Java 8 features like Lambda Expressions, Java Stream API, and Concurrent Accumulators. Implemented responsive and dynamic user interfaces utilizing Angular 11 CLI and Angular 11 Material compo Jspcode maintainability. Utilized the AMQP (Advanced Message Queuing Protocol) for asynchronous processing of security events. Integrated RabbitMQ to manage message queues, ensuring reliable message delivery and processing. Strong real-time experience in Java technology and Spring MVC, Spring IOC, Hibernate, JavaScript, JQuery, Angular 11, HTML, CSS, MongoDB Providing service discovery for all microservices using the Spring Cloud Kubernetes project. Helped to deploy and resolve issues during deployment and Configured Maven, Gradle, and Shell Scripts, with Kubernetes deployment manifests for automated deployment. Used Java 8 diamond operators, Java stream API, Collection API Lambda expressions, etc. Used Jenkins for Continuous Integration (CI) and Hudson, with Kubernetes integration for automated deployment pipelines. Wrote Restful web services to communicate with Mongo DB and perform CRUD operations on Mongo DB using restful web services. Utilized JIRA for project management and configuration of Hibernate, Struts, and Tiles XML files. Managed AWS users and groups with IAM, ensuring secure access control to AWS resources. Providing support & development of web-based applications and TCP/IP socket applications in UNIX, using PHP, C, Perl, JavaScript, Oracle, MS SQL, T-SQL, Pl/SQL, and OpenSSL. Designed and developed business components using Spring Boot, Spring Dependency Injection (Core), Spring AOP, and Spring Annotations. Developed and maintained Angular 14 applications, ensuring high responsiveness and seamless user interactions. Processed and analyzed large datasets using Apache Spark and Scala, enabling the execution of large-scale simulations and deriving trading insights. Developed Spark jobs to perform ETL operations, risk analysis, and strategy optimization Migrated applications from earlier versions of Angular to Angular 14, enhancing the maintainability and scalability of the codebase. Configured Amazon Redshift as the data warehouse for storing trading and market data, facilitating extensive historical data analysis and reporting. Built SOA microservices architecture to support enterprise-level applications, leveraging Docker containers for service isolation and scalability in Kubernetes environments. Proven expertise in implementing IOC and Dependency Injection features in various aspects of Spring Framework (Core, Web, JDBC, MVC, and DAO), with Docker containers for modularization and deployment. Documented Kubernetes cluster setup, maintenance, and Docker container deployment, including configuration details and best practices. Utilized Tableau for data visualization, dashboard creation, and business intelligence reporting, providing actionable insights to stakeholders. Proficient in DevOps tools like Jenkins, Artifactory, Maven/Gradle, GIT/BitBucket, ensuring streamlined software delivery. Utilized AMQP protocol for asynchronous processing of security events, integrating RabbitMQ to manage message queues for reliable message delivery and processing. Implemented Elasticsearch for efficient indexing and searching of large volumes of data, enhancing data retrieval and search capabilities within the application. Developed interactive and responsive user interfaces using AngularJS framework, integrating AJAX, JavaScript, HTML, DHTML, and CSS to enhance user experience and interface functionality. Leveraged AngularJS directives and components to create modular and reusable UI elements, promoting code maintainability and scalability within the project ecosystem. Environment: JSP, JSF framework, AJAX, JavaScript, HTML, DHTML, CSS, Spring Boot, Hibernate, Spring Framework (IOC, AOP), Spring Cloud Kubernetes, MongoDB (NoSQL), Java 8, Lambda expressions, Java Stream API, AWS (Aurora, Lambda, API Gateway, S3, SNS, SQS, DynamoDB, EC2, EBS, Akamai WAF, Apache Tomcat), Ruby on Rails, backbone.js, Cordova, Angular 11 CLI, Angular 11 Material, Elasticsearch, Cloud Trail, Cocoa Touch, Xcode, PySpark, Apache Spark,VB Script, Ruby, Maven, Gradle, Shell Scripts, Jenkins, Hudson, JIRA, IAM, PHP, C, Perl, OpenSSL, Docker, Kubernetes, PowerBI, Snowflake, Tableau.Client: Citi Bank, Irving, Texas Jan 2020 to Aug2022 Role: Full Stack Java DeveloperResponsibilities: Developed and deployed scalable Spring Boot microservices following RESTful practices, integrated with Kafka for efficient message-driven architecture, enhancing system responsiveness and inter-service communication. Architected a dynamic Reporting Dashboard capable of auto-generating detailed reports, significantly reducing the need for manual intervention and streamlining support operations, using Spring MVC, Java 11, and Sybase. Leveraged extensive knowledge of Spring MVC to build robust backend solutions, improving data processing and management capabilities for enterprise-level applications. Engineered and deployed Java 11 systems by coding microservices in Spring Boot, ensuring scalable and maintainable architecture that meets modern service delivery standards. Developed RESTful APIs with Spring Boot and Spring Data, facilitating seamless data exchange between frontend and backend services. Built real-time data processing pipelines using Spring Data and Apache Kafka, enabling near-instantaneous data updates and event-driven architectures. Utilized Confluent Schema Registry for managing and versioning Avro schemas in Kafka, ensuring data consistency and compatibility. Developed and maintained Kafka producer and consumer applications, optimizing message throughput and reliability within a Kafka cluster managed with Zookeeper. Created custom repository implementations to extend Spring Data JPA repositories, adding bespoke functionality to meet business needs. Integrated Spring Security with authentication providers such as LDAP, OAuth, and SAML for secure user authentication and single sign-on (SSO) capabilities. Designed and implemented RESTful APIs with a focus on functional routing, adept at creating annotated controllers with @RestController and @RequestMapping for streamlined request handling and improved endpoint management. Adept at conducting thorough testing for reactive systems, utilizing industry-standard tools such as JUnit, Mockito, and WebTestClient to ensure high-quality application performance and reliability. Mastered object-relational mapping with Hibernate, utilizing mappings and entity relationships to facilitate sophisticated data manipulation and updates within SQL Server databases. Skilled in Java service component development, utilizing Spring Inversion of Control (IoC) for managing beans, and proficient in Hibernate for ORM mapping and database schema generation. Implemented XML serialization and deserialization within Java backend applications, facilitating interoperability and data exchange with external systems. Deployed and managed RESTful and SOAP web services on Tomcat and JBoss, facilitating communication between Java applications and external systems. Developed Restful web services using Apache Camel, Spring Boot, and configured Kibana as a visualization dashboard. Created an End-to-End Framework for Acceptance Testing using Cucumber, JDBC, Maven, WebDriver, Java, and TestNG. Developed custom configuration scripts for Tomcat and JBoss, automating server setup and maintenance tasks. Successfully implemented a client-side interface using React.js, applying the flux pattern and Redux framework to create a Single Page Application (SPA). Proven ability to work effectively in a team environment, collaborating with other developers to design and implement efficient algorithms and data structures for complex projects. Design, development, and testing of HTML5, CSS3, Bootstrap, Typescript, jQuery, and React.JS for website standards and accessibility. Developed GraphQL APIs for efficient data retrieval and manipulation, improving application performance and flexibility. Integrated GraphQL with Angular applications, enabling frontend components to fetch data from the server with precise queries. Experience in developing user interfaces using React, ReactJS and JSX, emphasizing reusable and interactive components. Developed and maintained robust, scalable backend APIs using Node.js, Express.js, and other related frameworks. Implemented authentication, authorization, and data validation mechanisms to enhance security in Node.js applications. Containerized Node.js applications using Docker and orchestrated deployments with tools like Kubernetes for improved scalability and reliability. Collaborated with frontend developers to design RESTful API endpoints that meet the requirements of React or other frontend frameworks. Writing JavaScript functions for various validation purposes. Writing Java Beans to contain data objects. Implemented session beans, entity beans, and message-driven beans. Developed data models in Cassandra that optimize query performance and data retrieval for Java backend systems. Implemented data access and persistence logic in Java to interact with Cassandra, including CRUD operations and query execution. Expertise in Azure cloud services, adept at developing, deploying, and managing robust Java applications, utilizing the cloud's capabilities to enhance operational efficiency. Proficient in orchestrating data workflows using Azure Data Factory (ADF), indicating a strong familiarity with cloud services and the ability to integrate and manage data pipelines efficiently across various cloud environments. Implemented IAM solutions in Azure, including Azure Active Directory (AAD) and Azure AD Privileged Identity Management (PIM), to manage and secure user access to Azure resources. Implemented security measures in Java applications to protect sensitive data stored in Oracle SQL Database, ensuring compliance with security standards and regulations. Implemented secure authentication and authorization for Java 11 applications through the integration of Azure Active Directory, fortifying application security and user management. Integrated OAuth with various backend services and APIs, ensuring secure access to resources while maintaining user privacy. Integrated Apache Mesos and Kubernetes to orchestrate and manage microservices, ensuring high availability and scalable deployments. Skilled in crafting Docker containers to encapsulate Java 11 applications, resolving dependencies, and system configurations, thereby achieving high portability and isolation of services. Active participant in code review processes and mentoring sessions, with proficiency in using GIT for version control and GIT Bash for repository management and operations. Implemented continuous integration and continuous deployment (CI/CD) pipelines for Java applications using tools like Jenkins, GitLab, GitHub Actions, ensuring automated testing and deployment. Employed Maven project structuring capabilities alongside Java backend development to organize and maintain code for robust data structure solutions. Developed messaging solutions to support real-time data processing and event-driven architectures using RabbitMQ and Java. Migrated projects from other build systems Apache Ant, Maven to Gradle, ensuring compatibility and maintaining build configurations. Employed Selenium and Cucumber frameworks for automation testing, improving test coverage and reliability while supporting Behavior-Driven Development (BDD) methodologies.Environment: React, TypeScript, XML, XSD, CSS, XSD, jQuery, JavaScript, Java 11, J2EE, Kafka, Tomcat, JBoss, Restful API, Graph QL, Spring, Data Structures, Algorithms, Spring Boot, Spring Data, Maven, Hibernate, Gradle, ETL, RabbitMQ, Cassandra, MongoDB, Struts, Rest, Azure, Junit, Git, Kafka, MySQL, Docker, Prometheus, Grafana, Kubernetes, Selenium, Docker.Client: OPTUM | Minneapolis Oct 2018 to Dec 2020 Role: Java Full Stack DeveloperResponsibilities: Implemented the application using Java object-oriented principles. Proficient in Java Design Patterns & J2EE design patterns. Worked on Core Java and its libraries in creating the Java/J2EE web application's business Logic. Integrated RESTful APIs to retrieve and update data from backend servers, ensuring seamless communication between frontend and backend systems. Developed SOAP web services (JAX-WS) for sending and getting data from different applications WSDL generation and exposed the service on the server side. Developed and implemented the MVC architectural pattern using Struts Framework including JSP, Servlets, and Action classes. Used React HTTP service to make GET/POST/PUT/DELETE to deal with API requests and responses.
Used jQuery to make the HTML, DHTML, and CSS code interact with the JavaScript functions to add dynamism to the web pages on the client side. Working with React Router for developing SPA s. Build and maintain SQL scripts, indexes, and complex queries for data analysis and extraction. Worked with the QA team to solve the issues related to the development. Involved in system integration and solving production issues. Used JavaScript and jQuery to validate the input given to the user interface. Performed many DOM manipulations using Native JS and jQuery to load and manipulate dynamic web page content. Utilized Azure Blob Storage to store and manage large unstructured data objects, such as images, videos, and documents, for the application. Worked on JSP, Servlets, Strut s framework, and production support issues of the existing applications. For messaging, used Message Driven Beans for consumption of JMS. Involved in deploying the application. Worked on MAVEN to build the application. JUnit frameworks were used for performing unit and integration testing by writing test cases.
Used Log4j for logging errors, messages, and performance logs. Deployed application on Client Linux server. Experience in installing, configuring, and deploying applications on Web Logic Server.
Environment: Core Java, J2EE, JSP, HTML, MVC, Servlets, Struts, JMS, MDB, EJB3.1, JUnit, DAO, Web Logic Server, Ant, SOAP, JAX-WS, WSDL, Junit, SQL.Client: T-Mobile-WA. Aug 2016 to Sep 2018Full Stack DeveloperResponsibilities:
Involved in Agile - Sprint methodologies to do requirements gathering, analysis, and planning. Involved in gathering requirements from existing functionality for the custodians. Involved in the Design, Development, Testing, and Integration of the application. Involved in preparing High & low-level design docs with UML diagrams. Worked on JavaScript to validate input, manipulated HTML elements using JavaScript, and developed external JavaScript codes that can be used in several different web pages. Implemented EJB's session bean to maintain mobile sessions. Implemented methods to validate, invalidate, and keep Alive sessions for the login process and maintaining session credentials. Developed REST services for AngularJS front-end, transitioning from SOAP. Conducted detailed requirement analysis. Worked on serializing and de-serializing data in applications using JSON. Utilized Spring MVC for web modules, designing and developing new Action classes for business logic interaction. Developed and integrated OSS components to enhance fault management capabilities, improving the speed and accuracy of issue detection and resolution. Used Spring Framework for LOC, AOP, and DAO layer design patterns. Used Hibernate as ORM to map Java classes to database tables. Implemented business logic components using POJOs. Developed adapter classes to create a layer over existing code. Transformed, Navigated, and Formatted XML documents using XSL, XSLT, XPath, and XSL-FO. Developed Angular 4/5 forms with Docker for isolated deployment. Created modular and reusable Angular 4/5 components and services, emphasizing code maintainability and scalability. Demonstrated a commitment to staying updated on the latest Angular 4/5 and Java through continuous learning. Contributed to the development of scalable and RESTful Java APIs to support Angular 4/5 front-end functionality. Designed JSPs for the presentation layer, leveraging struts/HTML libraries. Implemented LDAP authentication using JNDI and login Servlet. Used Java Message Service (JMS) API to create, send, receive, and read messages. Tested components with JUnit & Mockito in Docker environments.
Managed source code with IBM Clear Case and Docker for dependencies. Resolving spring framework artifacts and code build & deployment via Maven. Environment: JAVA/J2EE, HTML, XHTML, DHTML, JS, AJAX, JQUERY, CSS3, Servlets, JSP, XML, XSLT, XPath, WSDL, SOAP, CXF, REST, JAX-RS, JAX-WS, Web Logic server 10.3.3, JMS, Eclipse, JUNIT, Mockito, Star Team, EMMA, Spring framework - DI, AOP, Batch, Hibernate, Ant, HP QC, Coherence, Rally, Docker.Client: BCBS, Florida. Oct 2013 to July 2016Full stack DeveloperResponsibilities: Analyzed business requirements, created use cases, and design diagrams for web components framework. Responsible for integrating Media One with client services, Ad networks, and third-party reporting tools. Used SPRING REMOTING and Web services to consume Client services. Implemented MVC architecture using the Media One framework and enhanced the design for middle-tier development. Designed and developed the JCS object caching to improve system performance and response time. Designing and coding Business Classes using Spring IOC and AOP features. Used the Hibernate persistence framework to develop the DAO layer of Media One. Used JIRA for tracking issues. Performing coding in Java/JEE technologies using Eclipse IDE with My Eclipse plug-in. Responsible for unit testing the application using JUnit. Unit tested the changes and performed the code review. Created TypeScript components to consume REST APIs in AngularJS. Worked on AngularJS consuming RESTful web services and forms. Implementing or exposing the Microservices based on Restful API utilizing Spring Boot with Spring MVC. Develop cross-browser compatible web pages quickly and effectively using jQuery, HTML5, CSS3, Responsive Web Design, Bootstrap, and Angular JS. Used Ant script for daily build and deployment on Build Server.Environment: Java, JEE, Spring, Hibernate, AJAX, jQuery, JSP, Servlet, Apache Axis, REST APIs, XML, XSLT, DOM Parser, Web Services, SOAP, WSDL, JDBC, HTML, DHTML, JavaScript, Log4j, ANT, JUnit, Rational Rose, JIRA, Spring MVC, Tomcat 5.5, Eclipse 3.2, My Eclipse, Oracle 10g, Omniture tracking.Client: Open Box Solutions Hyderabad India. August 2012 - Sept 2013
Java DeveloperResponsibilities: Participated in app design, development, and analysis, collaborating in user meetings for requirements gathering. Designed the UML class diagrams and sequence diagrams using Rational Rose Used HTML, XML, CSS, AJAX, and JavaScript for developing front-end pages and client-side validations. Develop persistent objects using Hibernate. Widely used Design Patterns like DAO, Singleton, Factory Pattern, and DTO in the process of system designing and development Agile delivery of software using SCRUM methodology Implemented persistence layer using Hibernate that uses the POJO classes to represent the persistence database tables. Configured Oracle backend and wrote stored procedures for CRUD operations. Coding JUnit test scripts of the SG, SSG, Role Management, Event Notification and Authorization modules Used MAVEN for creating and deploying the .war files. Development, enhancements, and bug fixes in the application Environment: JDK 1.4/1.5, J2EE, JSP, Servlets, Hibernate 3. x, Struts Tiles and Validator Frameworks, i18n, JUnit, RAD 6, WebSphere Application Server, HTML/DHTML, AJAX, CSS, XML, XSLT, JavaScript, Rational Rose, Agile (Extreme Programming), Oracle, Web Services, Apache Axis, Maven, CVS |
