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Click here or scroll down to respond to this candidate Contact:Email: EMAIL AVAILABLEPhone: PHONE NUMBER AVAILABLE Candidate's Name
Sr. Java/J2EE DeveloperTechnical SkillsCareer SummaryProgramming Languages: Java, SQL, PL/SQL, JavaScriptJava Frameworks and Libraries: Spring Core, Spring AOP, Spring Batch, Spring Boot, Hibernate, Spring Security, Spring Data JPA, Struts, JSP, Servlets, DropWizardWeb Development: HTML5, CSS3, Bootstrap, Typescript, React, Angular, Node.js, JSONXML Technologies: XML, XSLT, XSDMessage Brokers: Kafka, ActiveMQ, JMSAPIs and Microservices: Restful APIs, GraphQL, Microservices, SwaggerDatabase Systems: MySQL, PostgreSQL, SQL Server, CosmosDB, MongoDBCloud Platforms: AWS (EC2, S3, RDS, Lambda, Autoscaling, API Gateway), Azure (App Service, ADF, Functions, Logic Apps, AD)DevOps and CI/CD: Jenkins, Maven, ANT, Gradle, Docker, Kubernetes, Terraform, Azure DevOpsLogging and Monitoring: Log4J, ELK stack, AWS CloudWatchTesting: JUnit, MockitoVersion Control & IDEs: Git, GitHub, Bitbucket, IntelliJ IDEA, Eclipse IDEServers: Apache Tomcat, WebLogic, WebSphereOthers: SonarQube, JIRA, Agile (Scrum, Kanban)Operating Systems: macOS, Windows, Linux, UNIXEducation:Bachelor of Technology in Electronics and Communication Engineering - Anurag Group of Institutions, India. Over 10+ years of hands-on expertise in Java/J2EE development with a strong foundation in Java, SQL, PL/SQL, and JavaScript. Proficient in Spring framework components, including Spring Core, Spring AOP, Spring Batch, Spring Boot, Spring Security, and Spring Data JPA. Extensive experience in Hibernate for ORM mapping and database interaction, coupled with Struts, JSP, and Servlets for web application development. Skilled in message queuing technologies such as Kafka, ActiveMQ, and JMS for reliable asynchronous communication. Experience in IT, Administering, Performance Tuning, Configuring, Installing IBM WebSphere Application Server PHONE NUMBER AVAILABLE.5. Proficient in front-end technologies, including HTML5, CSS3, Bootstrap, Typescript, and frameworks like React, Angular, and Node.js, with expertise in JSON for data interchange. Familiarity with cloud platforms such as AWS (EC2, S3, RDS, Lambda, API Gateway) and Azure (App Service, ADF, Functions, Logic Apps, AD) for scalable and reliable application deployments. Extensive expertise in crafting and deploying Restful APIs and GraphQL, adept at architecting microservices-based solutions, and proficient in API documentation using Swagger. Skilled in working with various databases, including MySQL, PostgreSQL, SQL Server, CosmosDB, and MongoDB, with proficiency in database testing using JUnit and Mockito. Skilled in utilizing version control tools like Git, GitHub, and Bitbucket, with proficiency in popular integrated development environments (IDEs) such as IntelliJ IDEA and Eclipse. Knowledgeable in deploying applications on application servers like Apache Tomcat, WebLogic, and WebSphere, and skilled in continuous integration and deployment using Jenkins, Maven, ANT, Gradle, Docker, Kubernetes, Terraform, and Azure DevOps. Experienced in implementing logging mechanisms using Log4J, ELK stack, and AWS CloudWatch monitoring applications. Skilled in conducting code quality analysis through SonarQube, proficient in project task management and progress tracking using JIRA, and experienced in Agile methodologies like Scrum and Kanban. Strong communication, problem-solving, and teamwork skills, collaborating effectively with cross-functional teams to deliver high-quality solutions.Work ExperienceCigna, Birmingham, AL Dec 2022 - PresentJava Full Stack DeveloperDescription: The Cigna Group is an American multinational managed healthcare and insurance company based in Bloomfield, Connecticut. Its insurance subsidiaries are major providers of medical, dental, disability, life and accident insurance and related products and services, the majority of which are offered through employers and other groups.Responsibilities: Utilized Java and J2EE technologies to design and develop applications following the Software Development Life Cycle (SDLC) methodologies. Implemented design patterns like Singleton and Factory to create efficient and reusable code structures. Leveraged Spring Core and Spring Batch frameworks for dependency injection, transaction management, and batch processing tasks. Designed and maintained database schemas using the Hibernate ORM framework and implemented Data Access Objects (DAO) for CRUD operations. Implemented Python libraries to modularize cross-cutting concerns such as logging, security, and transaction management. Utilized the Flask framework, including Inversion of Control (IoC) and Dependency Injection (DI), to effectively manage application components and their dependencies. Worked with both MySQL and DynamoDB databases to store and retrieve application data efficiently. Implemented multithreading concepts to improve application performance and handle concurrent tasks effectively. Utilized Java Streams API for functional programming paradigms and data manipulation operations. Developed Microservices architecture using Spring Boot, facilitating easy deployment and scalability. Experience in Micro services development using spring boot and deployment in Pivotal Cloud Foundry (PCF). Involved in troubleshooting the IBM Web Sphere application server issues. Working on the BPM variables type, variable scopes, shared business objects, Business objects attributes, EPV variables, and ENV variable in order to store information in the IBM Process Center 8.5. Implemented GraphQL for efficient querying and manipulation of data over APIs. Deployed applications on AWS cloud infrastructure, including Elastic Beanstalk (EBS), EC2 instances, and S3 storage. Implemented serverless computing using AWS Lambda functions and configured auto-scaling for optimal resource utilization. Integrated APIs with AWS API Gateway for secure and efficient communication between services. Managed source code using the GIT version control system and automated build processes using Jenkins. Implemented event-driven architecture using Kafka for real-time data processing and communication. Managed project dependencies and build configurations using Gradle. Designed and developed responsive web interfaces using HTML5, CSS3, and JavaScript technologies. Designed and implemented user interfaces using Material UI, JavaScript, Angular, RxJS, and Angular 17 Router, ensuring responsive and intuitive user experiences. Collaborated with cross-functional teams to gather and analyze requirements for UI/UX improvements, ensuring alignment with overall project goals. Component for UX-Library consisted of Button, Checkbox, Input, Icons, Toggle Button, Dropdown, Multi-Level Dropdown and many more. Designed Angular 17 components, and UI services to consume rest services using component-based architecture provided by Angular. Used Angular UI grid to display tree-based grids. Experience with Angular 17 tools like Angular Fire, Angular CLI, ng2-bootstrap, and Ngrx. Employed Ngrx to optimally store data on the client side and to recall them in the application whenever needed. Implemented client-side logic using TypeScript and frontend frameworks like jQuery and React, enhancing user interaction and experience. Utilized reactive programming paradigms with RxJS to handle asynchronous operations and manage data streams effectively. Implemented Load-balancing with NGINX to allow dozens of Node JS instances to handle thousands of concurrent users. Implemented server-side logic using Node.js and integrated with Spring Security for authentication and authorization. Automated infrastructure deployment using AWS CloudFormation templates. Configured and managed Apache Tomcat servers for deploying Java web applications. Developed and maintained XML-based configurations, schemas (XSD), and transformations (XSLT) for data interchange. Automated infrastructure provisioning and deployment processes using Terraform and Jenkins, ensuring consistent and repeatable deployments. Monitored application performance and logs using AWS CloudWatch and implemented content delivery using AWS CloudFront. Documented API specifications using Swagger for easy consumption and integration by other teams. Consumer APIs communicate to other services or API s via APIGEE proxy, and some consumer s use Rabbit MQ as a medium to delegate messages. Experience in EJB development and transaction management programming in a complex, large-scale environment. Containerized applications using Docker for consistent deployment across environments. Created tools to support and enable Continuous Integration, Continuous Deployment and system monitoring/reporting using Puppet, Chef, JSP and Shell Scripts with a Cassandra database. Authored Restful web services to communicate with MongoDB and performed CRUD operations on MongoDB (NoSQL) using restful web services Managed container orchestration using Kubernetes for scaling and managing containerized applications. Developed web services SOAP, WSDL and web services clients using JAXB and XML, implemented SOA architecture. Use Selenium and Cucumber for creating the web-based test automation suite and perform functional testing. Implemented unit tests using JUnit and followed Test-Driven Development (TDD) practices for robust code quality. Leveraged Eclipse as the primary IDE for efficient coding and debugging tasks.Environment: Java 17, Python, Spring Core, Spring Batch, Hibernate, MySQL, DynamoDB, Spring Boot, GraphQL, AWS, GIT, Jenkins, Kafka, Gradle, Angular, Node.js, Spring Security, IBM, CloudFormation, Apache Tomcat, XML, CloudWatch, CloudFront, Swagger, Docker, Kubernetes, Terraform, JUnit.USAA, San Antonio, TX Nov 2021 Nov 2022Java / J2EE DeveloperDescription: The United Services Automobile Association (USAA) is an American financial services company providing insurance and banking products exclusively to members of the military, veterans and their families.Responsibilities:
Developed microservices-based applications using Spring Boot, facilitating rapid development and deployment. Designed and implemented RESTful APIs with Spring Framework, incorporating Inversion of Control (IoC) and Dependency Injection (DI) for modular and scalable architectures. Utilized Aspect-Oriented Programming (AOP) to implement cross-cutting concerns such as application logging and security. Integrated Hibernate for ORM mapping and database operations, ensuring efficient data access and persistence. Designed and developed RESTful APIs and microservices using Python, ensuring high performance and reliability. Created responsive and dynamic user interfaces using HTML5, CSS3, Bootstrap, and AJAX, enhancing user experience. Utilized React.js library, React Router, and Redux to build interactive and scalable front-end applications. With the concept of Reacts JS worked on usage metrics and also end to end events tracing for analysis purpose. Experience and building an isomorphic application using React.js with Graph QL on server side Wrote minimal code in building re-usable forms with their validations using React with Redux Architecture. Used ReactJS to build Bootstrap components for responsive UI objects and linked with API data to view and render the virtual DOM dynamically. Leveraged Redux for reactive programming in React applications, enabling efficient data handling and manipulation. Implemented client-side logic with TypeScript and Angular framework, delivering interactive and feature-rich web applications. Designed and implemented comprehensive unit testing strategies for Node.js microservices using frameworks like Mocha and Jasmine. Deployed applications on AWS, utilizing services such as EC2, S3, RDS, Lambda, Autoscaling, and API Gateway for scalable and reliable solutions. Implemented messaging systems using Kafka for real-time data streaming and event-driven architectures. Utilized Lambda Expressions for concise and functional programming paradigms in Java. Implemented robust exception-handling strategies and monitored application logs using the ELK stack (Elasticsearch, Logstash, Kibana). Developed user access module (Presentation layer) using JSPs, Servlets and MVC framework. Conducted unit testing using JUnit, ensuring code quality and reliability. Managed PostgreSQL and MongoDB databases, including data modeling, query optimization, and performance tuning. Gained experience with relational databases like Oracle and NoSQL databases like MongoDB, ensuring efficient data storage and retrieval. Utilized IntelliJ IDEA for efficient development workflows and code debugging. Automated infrastructure provisioning and deployment processes using Terraform and Jenkins, ensuring consistent and repeatable deployments. Deployed applications on OpenShift for containerized deployments and orchestration. Conducted code quality and static code analysis using SonarQube, ensuring adherence to coding standards and best practices. Implemented OAuth for secure authentication and authorization mechanisms in applications. Managed project dependencies and build processes using Maven and version control using GitHub. Worked on making the DevOps pipelines using OpenShift and Kubernetes for the Microservices Architecture. Authored and maintained BDD scenarios using tools like Cucumber and also Modeled aggregates and entities in accordance with DDD principles, promoting a rich and expressive domain model. Deployed applications on the WebLogic server, ensuring compatibility and performance in enterprise environments. Supported applications using DropWizard for developing and deploying RESTful web services, ensuring high performance and reliability. Created SOAP web services to implement SOA Architecture. Managed project tasks, issues, and collaboration using JIRA, ensuring efficient project management and delivery.Environment: Java 11, Python, Spring Boot, Spring Framework (IoC, DI), Hibernate, DropWizard, HTML5, CSS3, Bootstrap, AJAX, Typescript, React, AWS, Kafka, ELK, JUnit, PostgreSQL, MongoDB, IntelliJ IDEA, IBM, Terraform, Jenkins, OpenShift, SonarQube, OAuth, Maven, GitHub, WebLogic, JIRA.Frigus Technologies, Bengaluru, India May 2018 Aug 2021Java Backend DeveloperResponsibilities:
Developed enterprise-grade applications using the Spring framework, focusing on Inversion of Control (IoC) and Dependency Injection (DI) for modular and maintainable codebase. Implemented Spring MVC for building RESTful APIs, ensuring efficient handling of HTTP requests and responses. Utilized Spring Data JPA for seamless database integration, optimizing data access and persistence operations. Designed and maintained SQL Server and CosmosDB databases, ensuring data integrity and performance. Created responsive and interactive user interfaces using HTML, CSS, and JavaScript, enhancing user experience. Integrated JSON for data interchange between client and server applications, ensuring efficient data transmission. Implemented messaging systems using ActiveMQ for asynchronous communication between components. Deployed applications on Azure App Service, leveraging Azure services such as Azure Data Factory (ADF), Azure Functions, and Azure Logic Apps for scalable and reliable solutions. Implemented Azure AD for authentication and authorization, ensuring secure access to applications. Conducted unit testing using JUnit, ensuring code quality and functionality. Used GraphQL which is very easy to make changes to the app without messing around with the server code. Managed code repositories using Bitbucket, facilitating version control and collaborative development. Implemented CI/CD pipelines using Azure DevOps, automating build, test, and deployment processes. Authored Restful web services to communicate with MongoDB and performed CRUD operations on MongoDB (NoSQL) using restful web services. Developed CI/CD system with Jenkins on Kubernetes environment, utilized Kubernetes and Docker for the runtime environment for the CI/CD system to build. Utilized ActiveMQ to implement messaging solutions and ensure reliable communication and event-driven architectures. Involved in Load balancing/Tuning/Clustering for IBM WebSphere Application Server using Deployment Manager Network Deployment. Managed project dependencies and build processes using Maven, ensuring scalability and maintainability. Deployed applications on the WebSphere application server, ensuring compatibility and performance in enterprise environments. Worked closely with cross-functional teams to collect requirements, devise solutions, and deliver top-notch software products. Leveraged Eclipse IDE for Java development, utilizing its features for efficient coding, debugging, and version control integration. Conducted code reviews and participated in Agile/Scrum ceremonies to ensure alignment with project goals and timelines. Maintained documentation and technical support to stakeholders, ensuring smooth operation and user satisfaction.Environment: Java 8, Spring (IoC, DI), Spring MVC, Spring Data JPA, RESTful APIs, JDBC, SQL Server, CosmosDB, HTML, CSS, JavaScript, JSON, ActiveMQ, Azure, Azure AD, JUnit, IBM, Bitbucket, Azure DevOps, Maven, WebSphere.Escapade Technologies, Hyderabad, India Feb 2014 Aug 2018Java DeveloperResponsibilities: Implemented robust Java applications adhering to Object-Oriented Programming (OOP) principles for efficient code structure and maintenance. Utilized Struts framework to develop scalable and maintainable web applications, enhancing user experience and performance. Integrated SOAP-based web services using WSDL and XML for seamless communication between distributed systems. Designed and implemented Enterprise JavaBeans (EJB) to encapsulate business logic, promoting code reusability and modularity. Developed dynamic user interfaces using Java Server Pages (JSP) and Servlets, ensuring responsive and interactive web applications. Managed PL/SQL for Oracle databases, including creating stored procedures and triggers optimizing data retrieval and manipulation processes. Implementing REST API Layer, Process flow, workflow services and patterns design for the entire application in IBM BPM. Implemented Java Message Service (JMS) for asynchronous application communication, improving system responsiveness and scalability. Created Stacks using Amazon Cloud Formation templates to launch AWS Infrastructure and resources. Unit testing and Integration Testing of the application. Developed connectors AWS Dynamo DB, SQS, SNS, S3, Kinesis and writing Terraform scripts. Utilized AWS Lambda platform to upload data into AWS S3 buckets and to trigger other Lambda Functions including AWS EC2 focusing on high-availability, fault tolerance, and auto-scaling. Designed serverless microservice ETL application with AWS Lambda and S3 using AWS CDK Collaborated with a team using Git for version control. Configured and optimized applications on the JBoss application server. Leveraged Eclipse IDE for Java development, utilizing its features for efficient coding, debugging, and version control integration. Developed build scripts using ANT for automated project builds, streamlining the development process and ensuring consistency. Integrated Log4j for effective logging, monitoring, and debugging, enhancing the application's maintainability and troubleshooting capabilities. Utilized GIT for version control, ensuring collaborative development and efficient code management. Configured Log4J for logging and monitoring, facilitating application debugging and performance optimization. Leveraged Eclipse IDE for streamlined development workflows, enhancing productivity and code quality. Conducted unit testing using Mockito to validate functionality and identify defects early in the development cycle. Managed project coordination and issue tracking using JIRA, ensuring timely resolution of tasks and efficient team collaboration.Environment: Java 8, Struts, SOAP, WSDL, XML, EJB, JSP, Servlets, IBM, Oracle, JMS, GIT, Log4J, Eclipse IDE, Mockito, JIRA. |
