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Sr. Java Full Stack Developer
Candidate's Name
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Professional Summary: Around 10 years of experience in developing and designing cross-platform web and client-server applications using Object-Oriented Programming, Core Java, and J2EE technologies. Proficient in J2EE technologies including JSP, Servlets, Struts, Spring MVC, Spring Boot, Web Services (SOAP, REST), and JSF. Skilled in both Agile and Waterfall development methodologies, with active participation in Scrum sessions. Utilized Java 8 features like Lambda expressions and Stream API for efficient bulk data operations. Extensive experience with Spring Boot and other Spring frameworks (Spring Security, Spring Core, Spring MVC, Spring AOP, Spring Actuator, Spring ORM, Spring JPA, Spring REST). Experienced in Core technologies such as Java, Spring Boot, Microservices, Java Beans, EJB, JavaScript, Web Services, AngularJS, jQuery, and MVC. Strong skills in Core Java, including Multithreading, Collections, Garbage Collection, Stream API, Parallel Streams, and exception handling. Proficient in creating and consuming SOAP and RESTful web services using JAX-WS, JAX-RS, and Spring Rest Controller. Implemented OAuth2.0 for authentication and API access. Good understanding of frontend development with AngularJS, Angular 2, and ReactJS frameworks. Experienced with SQL databases including MS SQL Server, PostgreSQL, Sybase, and Oracle, as well as NoSQL databases such as MongoDB, Cassandra, and DynamoDB. Implemented asynchronous task processing using RabbitMQ. Experience with Node.js and NPM in a Node environment. Worked with APIs (SSL, CORS, JWT), API Gateway, REST, and SOAP Web Services using Ajax and JSON. Experienced in Configuration Management with tools like Chef and Ansible. Utilized build/deploy tools such as Jenkins, Docker, and AWS for CI/CD in Microservices environments. Hands-on experience with AWS services including EC2, S3, RDS, Elastic Load Balancing, SQS, and CloudWatch. Designed architecture solutions for public, private, and hybrid clouds covering IaaS, PaaS, and SaaS. Experienced with message brokers such as ActiveMQ, RabbitMQ, and Apache Kafka. Developed build scripts using ANT, Gradle, Maven, and Jenkins, and wrote unit tests with JUnit, Mockito, EasyMock, TestNG. Utilized Log4j, Slf4j, and Log Insight for logging and bug tracking. Hands-on with various Application Servers including BEA WebLogic, Apache Tomcat, WebSphere, and JBoss. Used Cucumber for service automation and created feature files for automation testing. Experienced in frontend testing tools like Karma, Jasmine, Chai, and Jest, and performance testing tools like JMeter. Proficient in version control with Git, Subversion, CVS, and ClearCase. Adaptable to new technologies and multi-platform environments with excellent programming skills across various languages.Technical Skills:Languages: C, C++, Java 1.8/11, SQL, PL/SQL, PythonJava/J2EE Technologies: Core Java, JDBC, JSP, Servlets, Struts, Spring, Hibernate, Ajax, EJB, JSON, Webservices (SOAP, REST).Web Technologies: HTML5, CSS3, JavaScript, AngularJS, Angular 4/6/8/9, Node JS, React JS, Bootstrap, XML, XSD, XSL/XSLT, AJAX, jQuery, JSON, TypescriptJava Frameworks: Struts, Hibernate, JSF, Spring BootIDE Tools: NetBeans, Eclipse, IntelliJ, RAD, STSBuild Tools: ANT, Maven, Gradle, Jenkins, Jira, Rally, Ansible, puppetVersion Control: GIT, SVN, GitHubCI/CD: Jenkins, Hudson, MavenTesting Tools: Junit, Selenium, Cucumber, TestNG, Jasmine, Karma, Mocha, JiraWeb Services: SOAP, WSDL, XML, SOA, JAX-WS, JAX-RPC, REST, Apache Kafka.Databases: Oracle, MySQL, SQL Server, IBM DB2, PostgreSQL, MongoDB, CassandraApplication Servers: IBM WebSphere, WebSphere, Tomcat, JBossCloud Technologies: AWS, EC2, S3, Docker, Kubernetes, ELK, GCP, PCFProfessional Experience:
Role: Sr. Java Full Stack Developer April 2023 Till date
Client: Johson & Johnson, Raritan, NJResponsibilities: Regularly participated in Agile standup meetings and tracked project progress with JIRA and HP ALM. Transitioned from a monolithic architecture to Microservices, enhancing scalability and maintainability. Contributed to all phases of software development including Analysis, Design, Development, and Testing. Developed Microservices with Spring Boot and enabled service discovery using Eureka Server. Designed and implemented RESTful Web Services using Spring Boot. Built server-side applications for database interactions with Spring Boot and Hibernate. Created RESTful services with Java using JAX-RS, Jersey, and Spring Boot. Consumed REST APIs, processed JSON responses, and formatted data as needed. Developed reusable TypeScript components and services for REST API integration using Angular 7. Implemented Angular 2 services for connecting web applications with back-end APIs using TypeScript. Migrated front-end applications from AngularJS to Angular 7, developing single-page applications and implementing routing. Conducted form validations and created custom components using Angular 7 s reactive forms. Developed Angular 7 directives, components, pipes, and injectables, including custom filters. Enabled navigation between components using Angular 7's Router. Implemented OAuth2 for secure and efficient user authentication and authorization across applications. Created services for REST API consumption and component communication using Angular 7 s dependency injection. Regularly applied patches and upgrades to PostgreSQL databases while monitoring logs for any issues to ensure optimal performance and security. Monitored AWS services and application logs with Amazon CloudWatch. Deployed applications on AWS EC2 instances and configured storage using S3 buckets. Managed asynchronous data streams using RxJS Observables. Developed a real-time chat application with Node.js, using socket.io and Express.js. Implemented Spring JMS for consuming messages from queues and managed transactions with Spring's transaction management. Wrote unit and integration tests for DAO, Service, and Controller layers using JUnit and Mockito. Used Jasmine for unit testing and Protractor for end-to-end testing of Angular applications. Managed version control with Git, and used Maven and Node for building applications; utilized Jenkins for continuous integration. Extensively utilized Log4j for application logging.Enviornment: Java JDK 1.8, Spring Boot, Spring MVC, Hibernate, JAX-RS, Jersey, Spring JMS, Angular 7, TypeScript, HTML5, CSS3, JavaScript, SASS/SCSS, Node.js, socket.io, Express.js, PostgreSQL, Oracle 11g, ESF Database Migration Toolkit, AWS EC2, AWS S3, Amazon CloudWatch, Docker, Kubernetes, AWS EKS, AWS Fargate, Jenkins, Maven, Git, AWS Code Pipeline, AWS ECS, JUnit, Mockito, Jasmine, Protractor, Log4j, Elasticsearch, Logstash, Kibana, RxJS Observables, React JS.Role: Sr. Java Full Stack Developer June 2021 Mar 2023Client: American Airlines, Fort Worth, TXResponsibilities: Worked in an Agile development environment, participating in Scrum sessions and retrospectives to improve team collaboration and project delivery. Transitioned from a monolithic architecture to a Microservices architecture for improved scalability and maintainability. Designed and implemented service-oriented solutions. Utilized Spring Boot to rapidly build and configure cloud-based microservices and Spring MVC applications with minimal setup. Developed RESTful web services using Spring Boot. Developed real-time chat applications using Node.js with socket.io and Express.js. Implemented lightweight Node.js Express servers for handling server-client interactions. Designed and implemented RESTful web services using JAX-RS and Spring Boot for efficient network communication.
Developed APIs with OAuth2 for secure user authentication. Used Hibernate for object-relational mapping in server-side applications, enabling seamless interaction with databases. Consumed and processed JSON data from REST APIs, ensuring proper data formatting and integration within applications. Implemented API Gateway patterns using Spring Cloud for routing and managing microservices interactions. Integrated OAuth2 for secure authentication and authorization across applications, managing token-based access and permissions. Developed reusable ReactJS components, implemented React Router for navigation, and used React s state management for dynamic web applications. Designed and tested responsive web pages with HTML5, CSS3, Bootstrap, and JavaScript, ensuring cross-browser compatibility and adherence to accessibility standards. Used PostgreSQL for relational data management, performing operations like creating, retrieving, updating, and deleting records. Implemented Apache Kafka for handling real-time data streaming and messaging within distributed systems. Created unit and integration tests using Mockito to ensure code quality and functionality. Used Jest for unit testing React components and Mocha for additional testing requirements. Utilized jQuery to enhance user experience with responsive UI elements, event handling, and AJAX-based data updates, resulting in improved application performance and user engagement. Implemented Behavior-Driven Development (BDD) with Cucumber, creating feature files for automation testing. Used Protractor for comprehensive end-to-end testing of Angular applications. Conducted API performance testing with Postman and SoapUI, ensuring robustness and reliability of web services. Utilized Jenkins for continuous integration and deployment, automating the build and release processes to streamline development workflows. Deployed applications on AWS EC2 instances and configured storage with S3 buckets. Used AWS Elastic Beanstalk for scalable backend solutions. Used SonarQube for continuous code quality inspection and improvement. Managed code versions and collaborations using Git. Utilized Maven for building and managing project dependencies. Implemented Log4j for detailed logging and troubleshooting throughout the application. Used JIRA for tracking and managing project tasks, issues, and progress.Enviornment : Java, Spring Boot, Spring MVC, Node.js, Express.js, ReactJS, Angular, JAX-RS, JSON, XML, OAuth2, Hibernate, PostgreSQL, Apache Kafka, JUnit, Mockito, Jest, Mocha, Protractor, Cucumber, HTML5, CSS3, Bootstrap, JavaScript, jQuery, SASS/SCSS, AWS EC2, AWS S3, AWS Elastic Beanstalk, Jenkins, Maven, Git, SonarQube, Log4j, Postman, SoapUI, JIRA, Spring CloudRole: Java Full Stack Developer July 2019 May 2021Client: Verizon, Temple Terrace-FLResponsibilities: Involved in requirements gathering, analysis, design, development, and testing of applications using Agile (Scrum) methodology with a focus on Test-Driven Development (TDD). Designed and implemented applications using Spring Boot, including Spring IOC, transactions, dependency injection, annotations, Spring Actuator, and container-managed transactions. Integrated Spring Security and OAuth2 for robust authentication and authorization across the application. Developed RESTful APIs with Hystrix commands and Feign clients to ensure fault tolerance and implement effective fallback mechanisms. Utilized microservices architecture with Spring Boot services, integrating through REST and Apache Kafka for message brokering. Designed and developed web interfaces using HTML5, CSS3, TypeScript, and Angular 6 to create dynamic Single Page Applications (SPAs). Transitioned from AWS Elastic Beanstalk to Docker and Kubernetes for improved scalability and management. Managed AWS services including EC2 instances and S3 buckets. Set up and managed the Continuous Delivery pipeline with Ansible Playbooks for provisioning AWS environments and deploying microservices. Utilized Swagger for auto-generating documentation and testing RESTful API calls. Implemented the persistence layer using Spring JDBC to interact with Oracle databases. Developed PL/SQL procedures, views, indexes, and performed CRUD operations. Developed real-time processing jobs using Spark Streaming and Kafka for data pipeline integration. Enhanced code quality with Mockito for unit testing, Karma for front-end unit testing, and Cucumber for end-to-end testing. Implemented Jenkins for Continuous Integration and Continuous Deployment, setting up pipelines for automated build and deployment processes. Enabled synchronous and asynchronous messaging with RabbitMQ and monitored distributed microservices with Zipkin. Utilized Log4j for error logging, AWS CloudWatch for monitoring, and performed load testing with AWS ALB and ELB to handle high request volumes. Maintained version control with Azure Repos and integrated Swagger UI for API documentation and testing.Environment: Java, Spring Boot, Spring IOC, Spring Security, OAuth2, Hystrix, Feign, REST, Apache Kafka, HTML5, CSS3, TypeScript, Angular 6, Docker, Kubernetes, AWS EC2, AWS S3, Ansible, Swagger, Spring JDBC, Oracle, PL/SQL, Spark Streaming, Kafka, Mockito, Karma, Cucumber, Jenkins, RabbitMQ, Zipkin, Log4j, AWS CloudWatch, AWS ALB, AWS ELB, Azure ReposRole: Software Developer (Java Full Stack) Jan 2017 Jun 2019Client: Wells Fargo, Santa Clara , CAResponsibilities: Consistently engaged in Agile standup meetings and monitored project progress through JIRA. Transitioned from a monolithic architecture to Microservices, enhancing scalability and maintainability. Developed with Spring Boot, utilizing features like Dependency Injection, Spring Beans, Spring Security, Spring JPA, Spring AOP, and Spring Web Flow for a robust MVC application. Created and implemented RESTful web services and leveraged Spring Boot s Actuator for application management and monitoring. Implemented Spring Transactions and session beans for business logic. Developed a real-time chat application using Node.js with socket.io and Express.js. Designed and developed RESTful APIs using Spring Boot and JAX-RS for managing patient data securely. Created SOAP web services with JAX-WS for extensibility and WSDL generation. Implemented Hibernate ORM for data persistence, using HQL to interact with the database. Consumed and processed JSON data through REST APIs. Utilized Spring Boot with Eureka Server for service discovery and API management in a Microservices architecture. Implemented OAuth2 and JWT for secure authentication and authorization. Designed responsive UI modules using HTML5, CSS3, Bootstrap, and Angular 7 Developed single-page applications with Angular 7, including custom components, directives, and reactive forms. Migrated from AngularJS to Angular 7 for improved performance and maintainability. Used PostgreSQL and Oracle for storing and managing application data. Managed database operations such as indexing, cursors, and triggers in PostgreSQL. Implemented JMS with RabbitMQ for reliable, asynchronous message exchange. Created unit and integration tests using JUnit and Mockito. Conducted unit testing of Angular applications with Karma, and performed end-to-end testing using Protractor and automated testing with Selenium. Used Postman for API testing and Swagger UI for API documentation. Set up and managed CI/CD pipelines using Jenkins and AWS Code Pipeline for reliable application updates. Implemented and managed ServiceMesh solutions to facilitate seamless service-to-service communication, enhance observability, and ensure robust security in microservices architectures, resulting in improved system reliability and operational efficiency. Deployed applications on AWS EC2 instances, utilized S3 for storage, and managed infrastructure with Docker and Kubernetes. Utilized SonarQube for code quality analysis. Managed version control with Git and used Maven for build automation. Extensively utilized Log4j for logging runtime exceptions and application errors. Tracked and managed project tasks and issues using JIRA.Environment: Java, Spring Boot, Dependency Injection, Spring Beans, Spring Security, Spring JPA, Spring AOP, Spring Web Flow, REST, Actuator, Spring Transactions, session beans, Node.js, socket.io, Express.js, JAX-RS, JAX-WS, SOAP, Hibernate ORM, HQL, JSON, Eureka Server, OAuth2, JWT, HTML5, CSS3, Bootstrap, Angular 7, PostgreSQL, Oracle, JMS, RabbitMQ, JUnit, Mockito, Karma, Protractor, Selenium, Postman, Swagger UI, Jenkins, AWS Code Pipeline, ServiceMesh, AWS EC2, AWS S3, Docker, Kubernetes, SonarQube, Git, Maven, Log4j, JIRARole: Java Developer Sep 2013 Aug 2016Client: Zolon Tech Ltd, Hyderabad, India
Responsibilities: Developed the persistence layer (DAO) and the presentation layer (controllers) and used J2EE design patterns like Model View Controller, Data Access Object, and Business Delegate, etc. Designed User Interfaces using React JS, XML, HTML, CSS, and JavaScript. Developed react JS view, rendering. Implemented react JS with Redux, Flux to achieve MVC design flow to application. Built Restful web services using Node JS and Express JS and used a full complement of Express. Used Ng-Model to create two-way data bindings for reading and writing input-control values. Build servers using AWS to import necessary volumes, launching EC2 instance, IAM, ELB, Route 53, SNS as per architecture. Implemented JSON web tokens for authentication and authorization security configurations using Node.js. Built UI differently using ReactJS and used a real, full featured programming language to render views, with ReactJS. Deployed Spring Boot-microservices Docker container using AWS EC2 container services, AWS admin console. Developed application based on Ajax calls with Real-time graphs for Analytical Reporting using Node JS. Microservices has been built using spring boot, spring security and deployed to AWS cloud. Utilized React for its efficient data flow architecture to create a lightweight and render efficient web app that searched projects via the GitHub API through keywords. Implemented React container and components (as Stateless and Functional components when applicable). Used React JS for templating for faster compilation and developing reusable components. Actively engaged in JDK version upgrades and security patches, ensuring the application's compliance with the latest Java standards and maintaining a secure codebase Implemented RESTful web services which produces both XML and JSON files to perform tasks, RESTful web service using Jersey for JAX-RS implementation, which leveraged both web & mobile applications. Worked in integrating JMS with Spring Boot by providing an instance which is embed with Active MQ. Involved in testing the SOAP web services end points using SOAP UI tool. Expertise worked on continuous build integration (CI/CD) tools Jenkins. Involved in the unit testing by writing the test cases and test suites with the help of JUnit. |
