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Sr. Java Full Stack Developer linkedin: https://LINKEDIN LINK AVAILABLEProfessional Summary 9+ years of extensive experience in development of multi-tier applications using Java / J2EE technologies.
Extensive experience in Internet, client/server technologies using Java, J2EE (JSP, Servlets, JDBC, EJB, RESTFUL and SOAP based Web Services, JAX-WS, JAX-RS, Struts, Hibernate, Spring, HTML, CSS, JavaScript, XML.
Expertise in Implementing Java & J2EE design patterns like MVC, Session Facade, Data Access Object (DAO), VO, DTO, Factory, Singleton and Front Controller.
Extensive Experience with front end application development using HTML5, CSS3, JavaScript, JSP, Angular 2-12, AJAX, Node JS, Bootstrap, JSF, Prime faces and jQuery.
Experience in integrating the internal security model into new projects with Spring Batch, Spring Micro services and Spring Boot.
Proficiency in OOPS concepts like Inheritance, Aggregation, Encapsulation, Multi-Threading, Serialization, Collections, IO and Polymorphism.
Worked on Spring framework modules IOC/DI, AOP, MVC, Spring Boot, Microservices, and JDBC Template.
Expertise in various open-source frameworks and tools like Struts, Spring, and Hibernate.
Expertise in producing & consuming SOAP as well as Restful Web Services using WSDL, SOAP, AXIS, JAX-WS, CXF, REST-Jersey and WS-Security. Had an experience in web services validation using SOAP UI.
Experience in building flexible, reliable, efficient and secured Enterprise and Web based applications using Spring MVC and Spring Web Flow frameworks and spring boot.
Expertise in database modeling and development using SQL, PL/SQL Stored procedures, functions, triggers, cursors, object types and Indexes using Oracle, DB2 & My SQL.
Experience in deploying and configuring database connection pool in Application Servers WebLogic, WebSphere, JBOSS and Tomcat.
Involved in building the code using Maven and also used Jenkins and Quick build for continuous integration.
Experienced in Web Services approach for Service Oriented Architecture (SOA).
Expertise in Unit Testing using Junit, Postman, Mockito & Power Mockito tools.
Experience in various software development IDE s like Eclipse, IntelliJ, STS and Editors like Edit Plus, Notepad++.
Experience working with Amazon cloud Services (AWS) using Cloud Watch, Amazon S3, Amazon RDS.
Deploy application updates to AWS and monitored the load balancing of different instances.
Experience in using AWS with both EC2 and S3 services for application backup and recovery.
Strong implementation knowledge of Object-Oriented Analysis and Design using Agile methodologies.
Experienced in using JIRA bug tracking Systems. Good knowledge in UNIX and Shell scripting.
Experienced in using Version Control tools like GIT, SVN, CVS and Clear Case.
Expertise in Unit testing using JUnit and Integration testing.Professional ExperienceSr. Java Full Stack DeveloperEcolab, St Paul MN November 2022 to PresentResponsibilities:
Followed Agile Software Development Methodology to build the application iteratively and incrementally. Participated in scrum related activities and daily scrum meetings.
Developed user interface using JSP, JQuery, HTML5, CSS3, JavaScript, Angular 13, Node JS, AJAX and JSTL.
Used Angular 13 to create views to hook up models to the DOM and synchronize data with server as SPA.
Created Typescript reusable components and services to consume REST API's using Component-based architecture provided by Angular 13.
Involved in ORM mappings for associations, Inheritance & fetching strategy, performing CRUD operations and managing second level cache using Hibernate.
Worked on Node.JS framework for building MVC framework from front-end side and generated statements and reports and used Spring MVC.
Implemented Angular 13 services to connect the web application to back-end APIs to POST/GET the data used in the application.
Used Bootstrap and Angular 13 to create Controllers to handle events triggered by clients and send request to server.
Used Spring Boot to develop and deploy both RESTful web services and MVC applications.
Used Hibernate in data access layer to access and update information in the database and used Hibernate Query Language (HQL) to query the database for complex data.
Worked extensively on developing controllers, Interfaces and implementation classes using Spring MVC framework & used Microservice architecture with Spring Boot based service through REST.
Conducted & participated in code review, and documentation in support thereof, for code inspection reviews as part of the DevOps software packaging and deployment lifecycle using GitLab.
Implemented Model View Controller (MVC) architecture for an efficient implementation of the view level customizations and interfaced with the application logic.
Used Spring-boot- starter-parent as the parent POM and inheriting sensible default settings from Spring Boot and the spring-data- MongoDB dependency provides integration with the MongoDB.
Created Spring MVC components like Dispatch servlets, configure Request mapping annotation controllers, view resolver components.
Hibernate was used for mapping, Servlets, Spring MVC were used for Model, Control and View.
Deployed Spring Boot based Micro services Docker container using Amazon EC2 container services and using AWS admin console. Proficient in Enterprise Java, XML/XSLT, and JSON for robust application development. Extensive experience with Spring/Spring Boot frameworks and REST API design using Microservice Architecture. Strong background in unit testing and comprehensive code documentation practices. Skilled in SQL and Relational Databases, with hands-on experience in ORM technologies such as JPA2 and Hibernate.
Used XSL/XSLT for transforming common XML format into internal XML format and Text format.
API endpoint verification testing using Postman.
Project migration into cloud environment using AWS, Docker container.
Used ANT scripts to build the application and deploy on Web Logic Application Server.
Used XML to transfer the application data between client and server to code configuration files.
Wrote SQL queries for database creation and modification. Used Redis as cache management techniques.
Experience in using various tools and IDEs for development and design like STS and Eclipse.
Supported production bug reports and customer escalations, research and find and deliver software solutions and production bug releases.
Deployed applications on Pivotal Cloud Foundry (Tanzu Application Service) and various public cloud environments. Designed, developed, and deployed real-time stream processing pipelines using Apache Kafka and Apache Flink. Implemented highly secured and available architecture for Kafka and Flink platforms. Utilized containerization technologies (e.g., Docker) for efficient application deployment and management. Transitioned from monolithic architectures to microservices, enhancing modularity, scalability, and maintainability. Utilized microservices design patterns to develop scalable Java applications. Integrated and managed message brokers such as Kafka or RabbitMQ to build scalable, event-driven architectures.Environment: Java 8, Spring MVC, Spring Boot, Hibernate ORM, Microservices, HTML5, JSF, CSS3, Angular 13, JSTL, AJAX, Oracle SQL, PL/SQL, NodeJS, AWS stack, Lambda, JavaScript, JUnit, Ant, Log4J, Version One, Apache Tomcat, Postman, Bitbucket, Maven, Web Services (SOAP, REST), JBoss, JUnit, Mockito, Eclipse, Jira, Log4j, RabbitMQ, RPC Frameworks, Kafka, Flink.Sr. Java Full Stack DeveloperWalmart, Rogers, Arkansas March 2020 to October 2022Responsibilities:
Participated in Agile (Scrum) methodology and Involved in Design, development, Implementation and testing of the enterprise applications Convert legacy client-based frontend to a responsive RIA using Angular.
Designed UML case diagrams, Class diagrams, activity diagrams and Sequence diagrams and Implemented MVC architecture for developing the distributed and enterprise applications.
Designed code responsive web pages using JSP s, JavaScript, HTML5, CSS3, Bootstrap, Angular 10, and Node JS.
Build components with Spring Framework IOC, AOP, Spring Boot and Spring Web Services.
Worked extensively on developing controllers, Interfaces and implementation classes using Spring MVC framework & used Microservice architecture with Spring Boot based service through REST API.
Extensively worked on Spring bean wiring, Spring DAO and spring AOP modules and implemented Spring AOP in exception handling, which it reduces the development time to handle the exceptions.
Used Hibernate as ORM tool to map the database tables, write DAOs and POJOs to integrate with Spring Framework.
Proficient in the Software Development Life Cycle (SDLC) process with CI/CD automation tools such as Bitbucket, GIT, Jenkins, and Artifactory. Experience with Pivotal Cloud Foundry (Tanzu Application Service) and various Public Cloud platforms. Proven ability in containerization technologies, enhancing application scalability and deployment efficiency. Hands-on experience with Active Directory and LDAP for secure and efficient directory services. Proficient in CI/CD tools including Azure DevOps, Bamboo, and GIT for streamlined development workflows. Used Angular 10 to parse the data fetched from APIs and used backbone.js to develop an application to perform CRUD operations on the database server.
Have written SQL queries and PL/SQL procedures, functions, triggers, sequences, cursors etc.
Implemented Inheritance between tables using different Hibernate strategies.
Used Spring Boot framework for building cloud Microservices and to develop Spring based application radically faster with very less configuration. Used Apache CXF to develop SOAP as well as RESTful web services.
Used Maven for building and deploying the application.
Used SOA Integration service for Data Integration Service, Functional Integration Service and used SOAPUI for the functional testing, inspection and invocation of spring based Web services.
Installed, configured and hosted the Tomcat app servers and MySQL database servers on physical servers (Linux, Windows), and Amazon AWS virtual servers (Linux).
Monitor system performance and exceptions using various logging and performance monitoring tools.
Expose / consume SOAP & Restful web services to interact with other modules.
Extensive Design, implement and test services experience in a Microservice-oriented architecture and has implemented the REST based Microservices using the Spring Boot, Spring Data with JPA (Java Persistence API).
Implemented the framework to migrate Relational data to non-relational data stores and to run performance tests against different NoSQL vendors.
Assist QA team with SOAP UI mock web services to pass Test Cases by developing Unit test cases using Junit and Mockito.
Wrote build & deployment scripts using Maven on Unix environment and participated in configuring Jenkins for build automation. Implemented CI/CD process for integrating different code components.
Environment: Java 8, Spring - MVC, IOC, AOP, Spring Boot, Batch, Microservices, Angular 10, HTML5, CSS3, Node JS, AJAX, Bootstrap, JavaScript, Hibernate, JAX-RS, JAX-WS, SOAP/REST, WSDL, JAX-RS, Oracle, AWS, WebSphere, Maven, Jenkins, Eclipse, Postman, Apache CXF, JPA, Junit, Mockito, Microsoft Visio, Rally, Mongo DB, GIT, Linux, Log4J, RPC Frameworks, RabbitMQ.Sr. Java Full Stack DeveloperFirst Republic Bank, New York, NY July 2018 to February 2020Responsibilities:
Participated in Agile (Scrum) methodology and Involved in Design, development, Implementation and testing of the enterprise applications Convert legacy client-based frontend to a responsive RIA using Angular 8.
Design and code responsive web pages using JSP s, JavaScript, HTML5, CSS3, Bootstrap and Angular 8.
Build components with Spring Framework IOC, AOP, Spring Boot and Spring Web Services.
Designed and developed RESTful service interface using Spring MVC to the underlying customer event API.
Extensively worked on Spring bean wiring, Spring DAO and Spring AOP modules and implemented Spring AOP in exception handling, which it reduces the development time to handle the exceptions.
Used Hibernate as ORM tool to map the database tables, write DAOs and POJOs to integrate with Spring Framework. Knowledgeable in API Management tools like Layer7 API Developer Portal and Azure APIM. Familiarity with Identity Access Management tools such as OKTA, Oracle Access Manager, and PING Federate. Experience in Financial Services, providing industry-specific solutions.
Used Angular 8 to parse the data fetched from APIs and used backbone.js to develop an application to perform CRUD operations on the database server.
Used Spring Data JPA to access the Oracle database and mapped different POJO classes to the database tables.
Have written SQL queries and PL/SQL procedures, functions, triggers, sequences, cursors etc.
Implemented Inheritance between tables using different Hibernate strategies.
Used Microservices to communicate using synchronous protocols HTTP and REST for implementing SOAP.
Used RESTful client to interact with the services by providing the RESTful URL mapping. Used JSON as response type in REST services.
Used SOA Integration service for Data Integration Service, Functional Integration Service and used SOAPUI for the functional testing, inspection and invocation of Spring based Web services.
Monitor system performance and exceptions using various logging and performance monitoring tools.
Expose / consume SOAP & Restful web services to interact with other modules.
Utilized functional and reactive programming techniques, employing frameworks such as Akka. Built high-performance, cloud-native Java applications using Quarkus and Vert.x, ensuring fast startup times and low memory consumption. Implemented and managed high-performance, cross-platform RPC frameworks using gRPC for efficient inter-service communication. Implemented the framework to migrate Relational data to non-relational data stores and to run performance tests against different NoSQL vendors.
Used Maven for building and deploying the application.
Assist QA team with SOAP UI mock web services to pass Test Cases by developing Unit test cases using Junit and Mockito.
Involved in the auto deployment of application process using Jenkins with SVN in Cloud Computing.
Wrote build & deployment scripts using Maven on Unix environment and participated in configuring Jenkins for build automation. Implemented CI/CD process for integrating different code components.
Environment: Java 1.7, Spring - MVC, IOC, AOP, Batch, Hibernate, Angular 8, HTML5, CSS3, Bootstrap, JAX-RS, JAX-WS, SOAP/REST, WSDL, JAX-RS, Oracle, Quartz, WebSphere, Maven, Jenkins, Eclipse, Apache CXF, JPA, Junit, Mockito, Microsoft Visio, Rally, Mongo DB, GIT, Linux, Log4J, Cloud-Native Java Application, RPC Frameworks.Java DeveloperBrio Technologies Private Limited Hyd India June 2016 to April 2018Responsibilities:
Involved in user requirement specification and preparing requirements documents and translated business rules into business component modules. Used Agile-scrum Software Development for developing the application.
Designed User Interfaces using Angular, HTML, CSS, JavaScript, and Bootstrap.
Created custom Plugins, templates, and functions for Angular JS application
Design Developed and maintained the data layer using Hibernate and performed configuration of Spring framework.
Implemented the application using the concrete principles laid down by several Java/JEE Design patterns like MVC, Singleton, Data Transfer Object (DTO).
Extensively worked on form validation using the Spring, Hibernate Validator framework.
Involved in working with SQL queries, function and procedures for performing CRUD operations on database using JDBC/JPA concepts on Oracle database.
Configured Transaction management and followed best practices to implement transaction support for consistent database updates using Spring transactions.
Has done development using Spring Dependency Injection, Spring MVC, ORM Integration.
Implemented look-up method injections using spring core to incorporate proto type beans into singleton beans
Implemented Spring aspects like logging, transactional, session aspects to implement cross-cutting functionality.
Used Hibernate mapping annotations to map POJO classes with tables and implement inheritance strategies.
Implement Internationalization using Spring MVC interceptors, Spring resource bundles and Spring core components.
Handled serialization and deserialization using payload formats like Protocol Buffers and Avro. Created XML Schema and managed the flow of the same to and from the already existing web services (REST).
Created a number of custom-built tag libraries in JSP to support the already existing custom widgets in JavaScript.
Wrote SQL and PL/SQL queries for database creation and modification.
Worked on implementing SOAP based web service to validate business scenarios.
Used JUnit framework for unit testing of application and Log4j to capture the log that includes runtime exceptions.
Used Maven as a build tool for the application.
Wrote UNIX commands for file permissions, resource usage and other basic services.
Involved in the Integration testing support and involved in bug fixing.
Environment: Java, JSP, Servlets, Spring IOC, AOP, MVC, Batch, Hibernate, JDBC, AngularJS, HTML5, CSS, JavaScript, and Bootstrap, XML, Web Logic, Eclipse, EJB, Perforce, Oracle, JUnit, Web Services (SOAP, REST), AXIS, JAX-WS, JAX-RS, Log4J, Maven, Unix, GIT, Sonar Qube.
Dhruvsoft Services Private Limited, Hyderabad, India August 2014 to May 2016
Java Developer
Responsibilities:
Analyzed use cases, created interfaces and designed the core functionality from presentation layer to business logic layer using UML and Rational Rose.
Implemented Model View Controller (MVC) architecture for an efficient implementation of the view level customizations and interfaced with the application logic.
Developed client-side validation front-end screens using HTML, JSF, Prime Faces, CSS, JSTL, JS and AJAX.
Used JSF MVC framework for developing J2EE based web application.
Used Apache Axis Service Engine for creating and deploying Web Service clients using SOAP. WSDL.
Incorporated an efficient way of doing builds and deploying the application to WAS and automating entire process.
Used ANT scripts to build the application and deploy on Web Logic Application Server.
Monitored the error logs using Log4J and fixed the problems.
Created custom tags that facilitate developers in building the pages faster.
Responsible for code review for different modules of the application.
Developed Controller for request, response paradigm by Spring Controllers using Spring-MVC.
Used Spring-Hibernate Template mechanism for persistence operations.
Manipulated DB2 for data retrieving and storing using Hibernate.
Hibernate used as ORM tool for persisting the data.
Used Ant for project management and automation.
Design, Develop Servlets and Sessions to implement business logic and deploy on the Web Logic Application Server.
Created Connection Pools in Web Logic and configured as needed.
Used XML to transfer the application data between client and server to code configuration files.
Used CVS as source control.
Used J Unit to write repeatable tests mainly for unit testing.
Environment: Java, JEE, Spring MVC, IOC, AOP, Hibernate, HTML, JSF, Prime Faces, CSS, JSTL, Java Script, AJAX, Oracle SQL, PL/SQL, JUnit, Ant, Log4J. |
