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Click here or scroll down to respond to this candidateCandidate's Name
Senior Java Full Stack DeveloperEMAIL AVAILABLE PHONE NUMBER AVAILABLE LINKEDIN LINK AVAILABLESummary:Around 10 years of work experience in Java, J2EE, Microservices, API Automation, and related technologies to design, develop and manage enterprise-level web applications.Experience in SDLC that includes requirements Analysis, Design, Coding, Testing, Implementation, and Maintenance with methodologies like Waterfall Model and Agile Methodology.Experience working extensively in all phases of a project development life cycle from requirements analysis, Design, Implementation, Testing, Documentation, Standard reviews, and Maintenance support.Wrote vagrant scripts to spin up developer workstations and AWS servers.Expertise in Java technologies like multithreading, Collections, and Exception handling mechanisms.Used versions of Java 11/8, J2EE, JSP, JDBC, RDBMS, JavaScript, jQuery, Ajax, and XML. Also used Java8 features like Lambda expressions and Stream API for bulk data operations.Experience in developing and deploying a microservice application utilizing almost all of the AWS Stack including EC2, DynamoDB, Kinesis, SNS, and SQS.Migrate IaaS, PaaS, and SaaS instances between public and private clouds.Experience with CI/CD pipelines to integrate the Java code to align with DevOps practices using containers.Extensive experience using Make, Maven, and ANT as a build tool for the building of deployable artifacts jar, war from source code.Implemented development procedures for IVR and speech applications through Java and web services and used AWS lambda to run servers without managing them and to trigger to run code by s3 and SNS.Implementation knowledge of JAVA design patterns, MVC Paradigm, and object-oriented principles/methodologies.Architect and deploy Symantec public/private cloud platforms (IaaS, PaaS, SaaS).Building custom application development using integration solutions such as IBM Integration Bus (IIB) to facilitate seamless communication between different applications and systems.Used Spring Boot Actuator to monitor and manage the application in production environments.Responsible for creating and maintaining architecture for Restful API using Spring Boot, and Spring MVC.Experience in developing applications using Spring Framework (Spring Boot, Spring MVC, Spring Data)Experience in building RESTful APIs using Spring Web ServicesDeveloped Microservices using Spring Boot, and Spring Security and deployed to JSON web token cloudDeveloped UI pages with HTML5, CSS3, JavaScript, jQuery, Angular6, ReactJS, and Bootstrap for creating Responsive Web pages.Developed user interface modules and components by using Angular and ReactJS, Flux/Redux for Single Page applications and used as a webpack module bundler.Worked on React JS Virtual Dom and React views, rendering using components that contain additional components called custom HTML tags.Utilizing Cloud watch to monitor resources such as EC2, and CPU memory. Amazon RDS, DB services, DynamoDB tables, and EBS volumes.Web-based technologies (HTTP, JSON, RESTful Web Services, Babel, Webpack and NPM)Worked with architects and tech leads in Migrating the existing project to a multi-cloud environment from AWS to Microsoft Azure with Azure services and as well GCP.Good knowledge of On-premises active directory and cloud AWS and Azure domain services, App services in the deployment of various custom sites, APIsDeveloping UI components using Angular, ReactJS, and JSON to interact with Restful services like Jersey API.Experience with databases like Oracle (11g and 12C), SQL Server, and MySQL.Experience with using Apache Tomcat Server, JBoss, and IBM WebSphere (WAS7, WAS9).Hands-on Experience in the design and development of SOA Architecture for publishing as well as consuming web services, and development of Workflows for exposing Web services using SOAP and REST.Amazon EC2 is used for deploying and testing the lower environments such as Dev, INT, and Test.Designed and developed the framework to consume the web services hosted in Amazon EC2 instances.Demonstrated proficiency in utilizing Application Insights, Signoz, and AppDynamics for comprehensive application performance monitoring, enabling proactive detection and resolution of issues to maintain optimal performance and user experience.Have worked on Cloud Computing with interactions on AWS and other cloud networks.Extensive knowledge and experience with version control tools like GitHub, Subversion (SVN), and AWS code commit.Experience with Selenium, JUnit, Mockito, and Log4j in developing test cases and determining application functionality.Have knowledge on the partition of Kafka messages and setting up the replication factors in Kafka Cluster.Having knowledge of NoSQL databases like Cassandra, HBase, and MongoDB.Implemented efficient solutions using RAD 9.7 for Java application development.Good understanding of JIRA and Confluence.Proficient in writing Maven for builds and deployments to different environments.Proficient in Spring, Hibernate, and Portal framework-based implementation with good command over Web Logic Application Server.Familiar with deploying applications through Web sphere server as part of the CRUD process.Technical Skills:Languages: Java, JavaScript, Typescript, Python, C++.Java Technologies: Java 8/11, Java Server Pages, JDBC, Hibernate, Spring, Web Services.Web Technologies: Servlets, JSP, JavaScript, HTML5, XML, CSS3, JQUERY, AJAX, JSON, Angular 6-14, React.IDEs: Eclipse, IntelliJ, RAD, Spring Tool Suite (STS), VS Code, SublimeWeb/App Servers: Apache Tomcat 8/9, IBM WebSphere, JBoss, WebLogicTools: Maven, Log4j, Junit, TestNG, Jenkins, CucumberDatabases: Oracle 11g/12C, MySQL 5.7, MongoDB, SQL server, DynamoDB, SybaseCloud Environments: Docker, AWS, Cloud WatchFrameworks: Spring Core 5.0, Spring JDBC, Spring MVC, Spring Boot, hibernate 5, SpringAOP, Spring IOC, Spring Microservices, Spring Batch, Spring RESTVersion Control: GitHub, Git, CVS, SVNMethodologies: Agile Methodology, TDD (Test-Driven-Development), SCRUM, WaterfallOperating Systems: Windows, Mac OS, UNIX, LinuxProfessional Experience:Sr. Java Full Stack DeveloperDeutsche Bank, New York, USApril 2023 to Till DateResponsibilities:Understood existing systems and architectures to develop solutions on top, with expertise in Identity and Access Management, SDLC lifecycle, and diverse Cloud environments for various services.Developed complex, single-page applications (SPAs) with Angular 14, leveraging components to build modular UIs and utilize strong separation of concerns principles commonly associated with MVC.Designed and developed high-performance, enterprise-grade Angular applications with modular architectures utilizing feature modules, lazy loading, and NgRx for state management. Implemented best practices for change detection and code-splitting to optimize performance and user experience.Leveraged Angular 14's improved AOT compiler to achieve significant performance gains and a smaller application bundle size for faster loading times.Implement Single Sign-On (SSO) authentication models to ensure secure access control across internal applications.Developed interactive Angular 14 applications that leverage Spring Boot RESTful APIs for efficient data exchange and backend communication.Utilized Spring Security OAuth 2 with the Authorization Code Grant flow for robust user authentication. Leveraged refresh tokens to extend access token lifespans, minimizing login interruptions and enhancing user experience.Developed a scalable payment orchestration system using microservices, enabling independent deployment, improved fault tolerance, and accelerated time-to-market for new payment features.Worked on Java 11's HTTP Client API for efficient network communication and the new garbage collector options for optimized resource management.Leveraged Java 11's enhanced containerization support for streamlined integration with Docker, optimizing application performance within containerized environments.Integrated Spring Boot Controllers for precise routing between Angular14 and Java services, harnessing Spring Boot's streamlined development capabilities.Utilized Spring Boot within the Spring framework to optimize GUI-to-DB data transfers with Ajax, leveraging Spring Boot's simplicity and integration benefits.Utilized Spring Boot for seamless AOP integration, robust security implementation, and optimized batch processing, ensuring modular and efficient application development.Maximized data processing efficiency by leveraging Spring Boot Batch and auto-configuration capabilities, simplifying setup for a more maintainable application.Reviewing Oracle AWR (Automatic Workload Repository), ASH (Active Session History), and ADDM (Automatic Database Diagnostic Monitor) Reports to identify database bottlenecks, slow running queries and implement necessary performance improvements to the designLeveraged Oracle Database for secure and scalable data storage, ensuring efficient payment processing. Utilized PL/SQL to develop stored procedures for data manipulation in transactions.Optimized Oracle Database performance for high-volume payment processing using AWR reports and SQL tuning techniques.Implemented PL/SQL procedures, packages, and triggers for efficient data retrieval and manipulation within the Oracle Database.Successfully integrated Oracle Database with AWS components (EC2, S3) for seamless data exchange and secure storage of critical payment information.Generated comprehensive reports on payment transactions, leveraging Oracle Database tools for insightful and accurate data representation.Worked with the key components of AWS (Amazon Web services) like EC2 (Elastic Compute Cloud) and S3 (Simple Storage Services).Leveraged InfluxDB for time-series data storage and analysis, enabling real-time monitoring and trend analysis of critical application metrics, leading to informed decision-making and performance optimization efforts.Used GWT and Amazon AWS (EC2/S3/EBS) for prototyping and subsequent evaluation.Worked extensively with AWS services like EC2, S3, VPC, ELB, Autoscaling Groups, Route 53, IAM, CloudTrail, CloudWatch, CloudFormation, CloudFront, SNS, and RDS.Responsible for building application full automation pipeline for deployment into AWS using JenkinsDesigned and implemented Kafka producers and consumers to facilitate data communication between microservices.Implemented Service Oriented Architecture (SOA) using JMS (MQ series) for sending and receiving messages while creating web services.Utilized Bitbucket for version control and collaborative development.Environment: Java11, J2EE, Spring Boot, Spring IOC, Spring MVC, Spring RESTful Web service, Hibernate, TypeScript, JMS, Redux, Python, Angular 14, Oracle 11.2.0, PL/SQL OAuth 2, Kafka, CRUD, JIRA, CI, CD, Selenium, DAO, XML, MDB's, DML, MVC, RESTful, Junit, Log4J, SVN, AWS, EC2, S3, CloudWatch, Microservices, Html5, CSS, less/sass, Bootstrap, Jenkins, Bitbucket.Java Full Stack DeveloperCerner, MO, USDecember 2020 to March 2023Responsibilities:Successfully implemented scalable Agile practices tailored to the specific needs of the team, resulting in improved efficiency, faster time-to-market for critical features, and enhanced adaptability to evolving project requirements.Created Java applications for managing patient information, appointments, and billing within healthcare facilities and developed Java applications for medical image processing and analysis, improving diagnostic accuracy in radiology and medical imaging departments.Designed and developed the complete utility for deleting the bindings dynamically by calling Web service APIs using, SOAP calls by using Axis and Web service jars.Contributed to UI development using Spring MVC, JSP, JSTL, HTML5, CSS, JavaScript, jQuery, and AJAX.Utilized React for building UI components, implementing filters, and developing container components. Used React-Router to convert the application into a single-page application.Advanced Proficiency in Asynchronous Messaging with JSM.Testing and production support of core Java-based multithreading ETL tool for distributed loading XML data into Oracle database using JPA/Hibernate.Designed and implemented RESTful APIs in Java for healthcare applications, facilitating data exchange with external systems and mobile apps.Used Spring Core Annotations for Spring DI (Dependency Injection) and Spring MVC for REST APIs and Spring Boot for microservices.Designed Restful Web Service APIs by generating stub classes using XSD, JAX-RS, and JSON.Developed Microservices, and Rest/Soap services using Spring Boot, Spring MVC, Spring Batch, and Spring Integration.Converted a monolithic app to a microservices architecture using Spring Boot using a 12-factor app methodology. Deployed, Scaled, Configured, and wrote manifest files for various Microservices in PCF.Worked with MongoDB admin tasks, from installation to sharded clusters. Adept in data modeling, query optimization, and ensuring high availability through replica sets and version upgrades.Specialized in MongoDB performance tuning, efficient indexing, and seamless integration with Node.js and Express.js. Proficient in backup strategies, security measures, and documentation for streamlined team collaboration.Created and maintained DynamoDB tables for highly available and scalable NoSQL database solutions.Successfully deployed and managed applications on Azure VMs, optimizing hosting infrastructure for scalability and reliability. Achieved cost-effective solutions through efficient resource utilization.Utilized Python scripting extensively to automate routine tasks, streamline deployment processes, and enhance system administration workflows, resulting in significant time savings and improved operational efficiency.Designed and implemented Azure data storage solutions, effectively utilizing Azure Blob Storage and Azure Queue Storage for robust and scalable data storage. Ensured seamless data access and retrieval.Designed and managed MongoDB deployments in Azure, ensuring scalability and high availability. Integrated Azure security measures and networking solutions for robust MongoDB performance.Implemented and managed MongoDB and InfluxDB databases to store and analyze structured and time-series data, respectively, optimizing data models and queries for efficient performance and scalability.Implemented Server-side components and published Services (local, remote, and web using MQ and Web Services) under the Service Oriented Architecture principles.Successfully implemented monitoring strategies utilizing a combination of Application Insights, Signoz, and AppDynamics to provide end-to-end visibility into application performance, identify bottlenecks, and optimize resource utilization for enhanced scalability and reliability.Participated in troubleshooting issues on Azure, Netflix Eureka, and Cloud Environments.Involved in developing DevOps pipeline using Azure cloud service and Kubernetes for Microservices Architecture.Designed and optimized RabbitMQ-based messaging architectures for scalable, resilient communication. Led version upgrades, and migrations, and implemented robust security measures for optimal resource utilization.Expertly integrated RabbitMQ into microservices, establishing efficient asynchronous communication channels. Managed queues, implemented load balancing, and conducted performance tuning for seamless operation of critical applications.Developed reusable web services using SOAP, XML, XSD, WSDL, and JAXB.Designed and developed unit testing framework revolving around test-driven from existing applications/modules and Test first methodology for new initiatives/enhancements using Junit.Prepared Junit test cases for analyzing updated user and query APIs.Used SVN and GIT for Source Control and Version Management of all codes and resources.Environment: Java8, Spring IOC, MVC, JDBC, JMS, Angular9, HTML, JavaScript, JAX-RS, Azure, SQL Server, Apache Tomcat, PMD, GIT, IntelliJ, Junit, Ant, Maven, log4j, SOAP UI, XSD, XML, JAX-RS, CXF, JBoss Application Server, Unix shell script.Java Full Stack DeveloperState Street, Boston, USMarch 2019 to November 2020Responsibilities:Worked in a highly dynamic AGILE environment and participated in scrum and Sprint meetings. Participated in Iteration planning, requirements analysis, design, coding, testing, and documentationDesigned responsive front-end screens using Angular, HTML5, CSS3, JavaScript, Typescript, jQuery, and Bootstrap.Worked on the modernization of a legacy and outsourced UI technologies used were Angular JS 2, CSS, NodeJS, Express JS, and AWS (Amazon Web Services).Creating and modifying existing responsive designs for Developed static and dynamic Web Pages using HTML5, CSS/less, Angular 7, and Bootstrap.Successfully integrated secure SOAP APIs for financial transactions, ensuring compliance with industry standards, encryption, and authentication. Led the development of optimized solutions, collaborating closely with clients and demonstrating expertise in troubleshooting.Created detailed technical documentation for SOAP API integrations, outlining protocols, endpoints, and error-handling mechanisms to support seamless collaboration and troubleshooting.Designed and developed asynchronous RESTful Microservices using Spring Boot.Extensively used various Spring Framework modules like MVC, DI (IoC), Auto Wiring, JDBC Templates, Spring Security, and AOP.Developed the application under J2EE Architecture using Spring, Struts, Hibernate, Servlets, Web logic, and JSP.Worked with Dependency injection in spring for the Service layer and DAO layer.Extensively used the core concepts of Java such as Multithreading, Exception Handling, and Collections for the effective development of applications and enhancements.Expertise in JPA 2.0 and EJB 3.0 for Robust Enterprise Solutions.Analyzed database data model, performed normalization on mock-up tables, and forwarded engineering to physical design in pgAdmin.Developed and implemented a scalable and secure cloud architecture on Amazon Web Services (AWS), utilizing services such as Amazon EC2, S3, RDS (PostgreSQL), Lambda, VPC, CloudWatch, IAM, DynamoDB, Route 53, SNS, SQS, ECS, and integrating with financial systems through optimized SOAP API transactions, emphasizing data integrity, performance, and compliance with industry standards.Implemented auto-scaling for Amazon EC2 instances using Amazon CloudWatch and Load Balancer on AWS.Successfully deployed and managed JBoss applications on Linux-based servers, optimizing performance and ensuring high availability for critical business systems.Worked with Docker to improve our (CD) Continuous Delivery framework to streamline releases.Orchestrated reliable communication between distributed systems by implementing and managing IBM MQ. Configured queues and channels to ensure seamless and fault-tolerant message exchange, enhancing overall system scalability and reliability.Monitored the error logs using Log4J and performed unit testing using JUnit.Used Apache Jersey web services and GitHub for software configuration management and version control.Testing internal routes and GET, PUT, POST, and DELETE methods using Postman.Used Maven to build and deploy processes and deployed projects on IBM Web Sphere.Created Unit Test cases using the JUnit framework and unit-tested the developed components.Used Rational Application Developer (RAD), to develop and debug application code and improve the code quality. Maintaining the Collaboration tool JIRA for the status of User Stories and defects.Played a key role in configuring and fine-tuning monitoring dashboards and alerts within Application Insights, Signoz, and AppDynamics, ensuring timely notification and resolution of performance anomalies and deviations from defined service level objectives (SLOs).Developed an internal testing framework using Python for automated testing of Android applications (APKs), streamlining the testing process.Employed Python image comparison libraries to automate the comparison of screenshots, enhancing accuracy and efficiency in the testing process.Environment: Java 8, Java/JDK, Spring Batch, Spring Boot, Spring MVC, AWS, Hibernate, XML, SOAP, Eclipse, MAVEN, JUnit, APIGEE, Jenkins, PostgreSQL, Agile Methodology, GIT, Docker, Kubernetes and Log4J, Swagger, Angular 7, HTML5, CSS3, J-Query, Node.JS, TypeScript, AJAX, POSTMAN, Microservices, Bootstrap, IBM MQ.J2EE DeveloperMacys Technology, TN, USApril 2017 to February 2019Responsibilities:Designed user interfaces, object models, application server logic, and schema by analyzing the requirements.Designed UI pages using HTML, DHTML, JavaScript 1.8, JQUERY, JSP, and AngularJS libraries.Using Model View Controller MVC architecture of AngularJS-based client User Interface.Built a project with Spring MVC framework for the delivery of software products across the enterprise.Used J2EE patterns for designing applications.JMS is used for exchanging information like Author publication status reports between the author and the company.Generated WSDL files using AXIS2 tool and developed Web Services using Apache AXIS2 tool Framework.Implemented Web Services using SOAP protocol, UDDI, WSDL, and Service-oriented Architecture SOA Concept.Developing a mechanism for sending and receiving SOAP messages over JMS by MQ Series Engine.Develop Message Driven Beans MDB involved in building and accessing Web Services using SOAP over JMS.Deployed and optimized Apache Cassandra for scalable and fault-tolerant big data management, demonstrating expertise in distributed NoSQL databases.Created POC of Authentication and Authorization with Oauth2. Utilized JWT as a tokenization scheme for Oauth2.Supported the triaging of issues using an Application Monitoring tool, effectively diagnosing and resolving issues to maintain optimal performance and availability of critical systems.Assisted with JBoss application management tasks, including deployment, configuration, monitoring, and troubleshooting, contributing to the stability and reliability of enterprise applications.Extensively used design patterns like Singleton, Factory, Abstract Factory, etc.Used EJB Session beans and entity beans to develop business services and persistence.Implemented business logic using Java Beans for front end and storage/retrieval from the backend Oracle DB using SQL query functions, sequences, triggers, cursors, etc.Deployed Java applications on Google Kubernetes Engine (GKE) for flexible scaling and efficient resource utilization.Implemented Cloud Load Balancing to distribute traffic across multiple instances, ensuring high availability and optimal performance.Configured Virtual Private Cloud (VPC) for secure networking, optimizing routing for seamless communication in a distributed environment.Collaborated with cross-functional teams to integrate monitoring tools seamlessly into the CI/CD pipeline, facilitating automated performance testing and deployment validation, resulting in improved release quality and accelerated time-to-market.Integrated Cloud Firestore for NoSQL database needs, utilizing Java SDK for efficient data storage and retrieval in a schema-less environment.Extensively involved in Unit testing and coordinated with the testing team and fixing Bugs at various stages of the application development.Environment: JAVA/J2EE, JSP, Spring MVC, Java Beans, JSTL, Java Script 1.8, EJB-session bean, entity beans, JMS, HTML4, DHTML2.0, Eclipse, GCP, Apache Tomcat 6.0, CVS, JAVA/J2EE Design Patterns, JUNIT, Oracle-SQL, Cassandra, QC, etc.Java Full Stack DeveloperAvon Technologies Pvt Ltd Hyd IndiaJuly 2013 to December 2016Responsibilities:Involved in the analysis and design phase. Participated in discussion meetings (Scrum meetings) about the business requirements.Integrated Angular 4,5 with Spring MVC frameworks for handling user requests, interacted with the back-end database using Spring validation framework and JavaScript for validation at the front-end or server.Utilized Angular components like ng-Route model validation along with Bootstrap which provides user login sign-up interfaces and submits validated data to the back end.Implemented backend logic with Spring MVC framework, Hibernate, and used design patterns like Singleton, Factory, and MVC.Implemented Java and Java 8 Lambda functions to write clear and concise code for higher efficiency and easier maintainability.Developed REST-based web services to 3rd party systems.I have used the Hibernate Framework for object-relational mapping and persistence.Return SQL Queries using left joining and right joining.Responsible for writing SQL Queries and Procedures using MS SQL Server database.Optimized SQL queries used for batch processing in spring.Created Tables and SQL Queries to insert and fetch the data from the database.Implemented bean wiring in spring to instantiate classes at the business logic level.I have used Eclipse IDE as the development environment and GIT for version control.Monitored the error logs using Log4J and performed unit testing using JUnit.Environment: Java 8, Angular 4/5, JavaScript, RESTful Services, HTTP, HTML5, CSS3, Bootstrap, Spring MVC, Hibernate and MS SQL Server, GIT.Education Details:Bachelor of Technology in Computer Science and EngineeringJawaharlal Nehru Technological University, Hyderabad, IndiaJuly 2009 May 2013 |
