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navya - Java Developer

[email protected]

Location: Austin, Texas, USA

Relocation: Yes

Visa: h1b

Navya T Java Developer/ Full Stack Developer Mobile : +5126868169 Email : [email protected] Linkedin: https://www.linkedin.com/in/navya-t-682b0123b/ Summary: Over 8+ years of extensive IT experience in developing, design, analysis, testing of various web based, Service Oriented Architecture (SOA) based and client/server applications in multi-platform environments using JAVA/J2EE & Python technologies with strong Object-Oriented Programming skills Worked on Different domains like Retail, Banking, Insurance, Investment. Expertise in implementation of J2EE Technologies: JSP, EJB,JTS, Servlets, JSF, Spring, JMS, Struts, Hibernate, JavaBeans, JDBC, XML, XSD,Web Service, Serialization and Externalization. Experience in Front-End UI development skills using scripting languages like HTML5, DHTML, CSS, Bash, Poweshell, JavaScript,Typescript, React,JQuery, JSON, AJAX, Angular JS, Bootstrap, Tag Libraries, JSTL and Angular 5/7/10/13. Experience using J2EE design patterns like Singleton, Prototype, Business Delegate, Session Fa ade, DTO, DAO, MVC, Abstract Factory, Factory, IOC (Inversion of Control), AOP (Aspect Oriented Programming), Service Locator and Front controller. Having experience in developing Splunk Dashboards and searches. Experience in Micro-services development and also Created Restful Web services with Node JS and Express JS. Proficient in OOAD Technologies developing use cases, Activity Diagrams, Sequence Diagrams and Class Diagrams using case tools likeMicrosoftVisioand Rational Rose. Hands-on experience with containerization technologies like Docker and container orchestration using OpenShift. Excellent knowledge of Middleware platforms with experience in designing and developing Middleware software solutions Highly proficient in using OOPS for building n-tier architecture systems with hands on development expertise in front-end UI layer, corebusinessframeworks and Back-end database layer integration. Used Core Java s OOP features, such as classes, inheritance, polymorphism, encapsulation, and abstraction, to design and implement scalable and maintainable systems. Expert in Core Java with strong understanding of OOPS Concepts, SWING, Collections, Multi-threading, Event handling, Exception handling, Generics, I/O System and JDBC. Implement and optimize data structures (e.g., arrays, linked lists, stacks, queues, hash maps, trees) and algorithms (e.g., sorting, searching, recursion) using Core Java Utilized testing frameworks like Selenium WebDriver and TestNG to validate front-end applications and APIs, ensuring compliance with functional and non-functional requirements. Developed dynamic web applications using PHP, ensuring responsiveness and user-friendly interfaces. Experience in developing web applications on MVC based frameworks like Spring, Spring IOC, Spring Security, Spring Boot, Spring Cloud, and Spring MVC. Proficient in system analysis and design methodologies, including UML, use cases, and data flow diagrams Experience in integrating the internal security model into new projects with Spring Batch, Spring MicroServices and Spring Boot, Pivotal Cloud Foundry and NetFlix Eureka. Experience in Amazon Web Services (AWS) like ECS,EC2,S3,RDS,EBS,IAM, ROUTE53, Elastic Load Balancer, Dynamo DB, and AWS cloud watch Implemented secure coding practices in PHP to protect against common vulnerabilities such as SQL injection, XSS, and CSRF. Designed and maintained test automation frameworks using Java and TestNG, ensuring robust, reusable, and scalable solutions for comprehensive test coverage. Developed and Implemented Data Privacy Solutions: Extensive experience in Java and Spring Boot to build and maintain applications with a focus on data privacy and compliance. leveraging strong knowledge of tokenization, encryption techniques, and certificate management, with experience in APIC/APigee for application management and OAuth token management Built user interfaces using React's declarative approach, enhancing readability and predictability of UI code. Leveraged the Virtual DOM for efficient rendering and improved performance, resulting in faster UI updates. Utilized lifecycle methods to manage component behavior and side effects effectively, ensuring optimal rendering and resource management. Extensive working experience in Splunk which is helpful to have a overall high level health check on the application. Experience in development of REST and SOAP based web services using AXIS,WSDL, UDDI, XML,XSD, JAX-WS, JAX-RS, JAXB, JAX-RPC,AJAX technologies and Jersey frameworks. Expertise in XML technologies such as DTD, XSL, XSLT, XML,XSD schemas, XPath, XSL-FO and parsers like SAX, DOM. Expertise in Back-end/server side java technologies such as: Web services, Java persistence API (JPA), Java. Messaging Service (JMS), RabitMQ, Java Database Connectivity (JDBC), Java Naming and Directory Interface (JND). Expertise in databases such as Oracle, MySQL, SQL Server, NoSQL, Mongo DB,Cassandra and IBM DB2 databases to manage tables, views, indexes, sequences, stored procedures, functions, triggers and packages. Experience in Relational Database Technologies - Sybase, IBM DB2, MS SQL Server Involved in Production support on the scheduled manner and resolved P1/P2 tickets. Implemented basic networking solutions and worked with DNS Proxy configurations to support application deployments. Strong experience in different IDEs like Eclipse, Spring Tool Suite and IntelliJ IDEA and worked on various application and web servers like JBoss 7.1, BES Web Logic, IBM MQ,Web Sphere, Camel and Apache Tomcat. Having Knowledge of REACT tools including React.js, Webpack, Enzyme, and Flux. Used build technologies like Hudson, Jenkins, Ivy, Maven, Gradle, NuGetetc., Integration and automation of source control applications like TFS, SVN, Git. Develop integrations between Java applications and Talon s security platform, ensuring seamless access control and data protection for users. Leveraged Azure Cost Management and Azure Advisor to track, analyze, and optimize cloud spending, ensuring cost-effective resource allocation and budget adherence. Integrated data from various sources (databases, cloud platforms, legacy systems) into K2View, enabling seamless data access and improved operational efficiency for real-time analytics and decision-making. Experience in data visualization with Denodo and Web application deployment on PCF, Bamboo. Expertise in tools such as Servicenow, Confluence and JIRA Have Good experience with different flavors of operating systems like Windows, UNIX, LINUX. Extensive knowledge in acceptance testing using Cucumber and selenium webdriver Experience with JFROG ,JUnit, Mockito, Log4j,SLF4J in developing test cases and determining application functionality. Experience in various Agile Methodologies like Test Driven Development (TDD), Service Oriented Architecture(SOA), SCRUM and Waterfall. Worked with PHP frameworks like Laravel and Symfony to expedite development processes and maintain clean, modular code. Managed and optimized cloud resources on GCP, ensuring cost-effective and scalable infrastructure solutions for high-demand applications. Developed and maintained Puppet manifests and modules to define infrastructure as code, improving scalability, reliability, and version control of infrastructure. Developed Gen AI agent flows to automatically generate Java code snippets, enhancing efficiency in repetitive coding tasks and improving developer productivity. Technical Skills: Languages Java6/7/8/11/16/17/21, Kotlin, Python, SQL, PL/SQL, C, C++ Tools and Framework Struts, Spring, Spring Boot, Hibernate, Spring MVC, Spring Web Flow, Spring IOC, Spring AOP, Spring Security, JSF, Junit, kafka,GraphQL,Cassandra,APIGEE Build Tools ANT, Vagrant, Maven, Gradle, Docker and Jenkins,Puppet Version Control CVS and GIT. Web Technologies AngularJS, AJAX, vert.x,,Node JS, HTML5, CSS3, JavaScript,TypeScript,React.JS,jQuery, Bootstrap, JSON Restful, ReactJS XML and JSON J2SE/J2EE Technologies Java, J2EE, RMI, Sockets, JDBC, Servlets, JSP, JMS, JavaBeans, JSTL, Jakarta Struts, JSF, EJB, Spring, Hibernate, JTA, JNDI, JPA, JMS. Methodologies Agile, Test Driven Development, Waterfall. Databases Oracle, SQL-Server, MySQL server, MS SQL, IBM DB2, MongoDB, NoSQL, Cassandra and Couchbase. Web/Application Servers Apache Tomcat, IBM WebSphere 8.1, IBM MQ, Web logic Application server, JBOSS 7.1, Camel , JBoss7.1/Wild Fly and Open Shift XML Technologies XML, XSL, DOM, SAX, DTD, XQuery, XSD and XSLT. IDE / Tools Eclipse, IntelliJ, Spring Tool Suite(STS), RAD, Adobe Dreamweaver. Testing Tools / Others JUnit, Mockito, Selenium, Soap UI, SLF4J, Log4j and JIRA. Platforms Windows, Linux and Unix. Web Services SOAP, Restful,Microservices, JAX-RPC, WSDL, JAX-RS JAX-WS, UDDI, JAX-B, CFX. BigData Frameworks Apache Spark, Spark SQL CI/CD Maven, Jenkins Cloud Technologies AWS EC2, S3, RDS,Azure. AI/ML Technologies Gen AI PROFESSIONAL EXPERIENCE Client: Verizon,Tampa,Florida Aug 2022 Present Role: Sr. Java Developer Responsibilities: Involved in Requirements gathering, Analysis, Design, Development and Testing of application using AGILE meth-odology (SCRUM). Followed Java & J2EE design patterns and the coding guidelines to design and develop the application Design and implement software solutions using Core Java, focusing on object-oriented principles, data structures, and algorithms. Worked on streaming data i.e, stream data from Mainframe tables to Cassandra tables for new environments. Created autosys jobs and deployed data distributor apps for batch streaming the new environment setup. And per-formed local testing to ensure the end-to-end flow as expected and validated in postman. Involved in working with PTA Test Environments - Simulation(Pre-production) and Staging(post-production) Worked on fixing vulnerabilities, DEV, SIT, UAT deployments, Testing and ensuring the coding standards for the ap-plication before going to production. Worked on performance testing to ensure applications will perform effectively. Sending requests and responses in Microservices through REST/HTTP. Designed and implemented scalable and efficient GraphQL APIs for data retrieval and manipulation. Used SonarQube to perform static code analysis and identify coding issues, bugs, and security vulnerabilities. Utilized Fortify, BlackDuck and Prisma to perform security analysis and identify potential vulnerabilities in the codebase. Conducted proof of concepts (POCs) for emerging technologies and third-party tools, providing well-documented analysis, pros, and cons to inform architectural decisions. Used Spring MVC repositories and Hibernate for Database access has worked on Splunk tool for log management and Spring5 oriented framework for logging. Utilized testing frameworks like Selenium WebDriver and TestNG to validate front-end applications and APIs, ensur-ing compliance with functional and non-functional requirements. Collected metrics for applications using Splunk in a cloud-based environment. Experience with Verizon CXP for improving customer service interactions and support mechanisms. Worked with Verizon ORBPM to streamline order routing and enhance workflow management. Enhanced order management capabilities through practical application of Verizon OMS solutions. Optimized performance of enterprise applications by leveraging K2View s real-time data processing capabilities, reducing data retrieval times and enhancing user experience across multiple business units. Utilized K2View s Data Virtualization capabilities to access live data from distributed systems, eliminating the need for data replication and ensuring real-time, accurate insights. Designed and deployed Microservices-based Data Products, leveraging K2View s microservices architecture to enable scalable and modular data management solutions for enterprise-wide applications. Developed REST API's using Spring boot, involved inhosting all microservices. Performed defect tracking,bug fixing and enhancements. Managed and maintained Verizon OMS for efficient order tracking and fulfillment processes. Used Kubernetes tool for scaling the applications and monitoring. And conducted API testing using Postman tool Worked on POC for MongoDB to store non-relational data into collection and retrieve them whenever required. Proficient in designing and implementing flexible schema designs in MongoDB, utilizing its document-based struc-ture to optimize data storage and retrieval. Experienced in performing CRUD (Create, Read, Update, Delete) operations in MongoDB using native drivers and ORMs like Mongoose for Node.js applications. Managed application builds and dependencies using JFROG and ensured seamless integration with existing devel-opment tools. Optimized customer and business processes within the Verizon CXP and ORBPM frameworks. Collaborated with frontend developers to synchronize PHP-based backend functionality with user-facing compo-nents. Worked with Azure Data Factory for ETL processes, managed data storage using Azure Blob Storage, and optimized database performance on Azure SQL Database and Cosmos DB. Designed and implemented a real-time data migration system using Kafka Connect and Elasticsearch on AWS. Expertise in Devops by implementing and managing continuous integration and continuous deployment (CI/CD) pipelines, automating the build, testing, and deployment processes using maven. Implemented state management using tools like Redux, Context API, or MobX for efficient data handling. Utilized React Hooks (useState, useEffect, etc.) for managing component lifecycle and state, enhancing functional component capabilities. Assisted in maintaining network configurations, including DNS Proxy, to support and optimize backend connectivity. Integrated React Router for seamless navigation and dynamic routing in single-page applications. Conducted unit and integration testing using Jest and React Testing Library to ensure code reliability and function-ality. Integrated third-party APIs and services with PHP-based applications for enhanced functionality. Created interactive dashboards and visualizations in Kibana to analyze and present complex data sets, facilitating data-driven decision-making. Utilized Kibana for real-time log analysis, enabling effective monitoring and troubleshooting of application per-formance and system health. Led cloud migration projects, moving on-premises workloads to Azure, optimizing infrastructure cost, and reducing downtime by employing Azure Site Recovery and Azure Migrate tools. Integrated Kibana with Elasticsearch to enhance data retrieval and exploration capabilities, optimizing search que-ries for large datasets. Developed Splunk reports that provide a high level overview of the Application Health. Utilized AYS ticketing system to handle and resolve IT incidents and service requests in a timely manner. Designed and implemented custom dashboards tailored to specific business needs, improving accessibility to criti-cal metrics and KPIs Designed and developed ETL pipelines with Snowflake and dbt Cloud, enabling efficient and scalable data transfor-mations for analytical workloads. Documenting the new configuration changes and production ticket and analysis data to provide knowledge to the team and used GIT, Github as source control management Containerized applications using Docker, enabling consistent environments across development, testing, and pro-duction, which improved deployment efficiency. Developed and fine-tuned generative models (e.g., GANs, VAEs) using PyTorch and TensorFlow, improving output quality and diversity by X%. Developed tools or libraries to facilitate the training and evaluation of generative models, streamlining workflows for data scientists and engineers. Utilize Talon s logging features to capture user activity and access patterns within Java applications, supporting compliance and security audits. Developed, deployed, and managed secure, scalable APIs using Apigee, enabling seamless data exchange and inte-gration across distributed systems. Designed and implemented API proxies on Apigee Edge, optimizing performance, security, and scalability of backend services. Designed data models in Snowflake for OLAP systems, implementing star and snowflake schemas to improve query performance and reduce storage costs. Configured API rate limiting, caching, and quota policies in Apigee to enhance reliability and reduce backend load. Executed tests across multiple browsers and platforms with Selenium Grid, enhancing application compatibility and user experience. Created and optimized Gen AI prompts to deliver accurate and context-aware responses, refining results for code generation and task automation. Worked with Gen AI agent frameworks, designing autonomous agents capable of code suggestion, debugging, and feature implementation. Leveraged Gen AI tools to identify and automatically suggest fixes for code vulnerabilities, increasing application security. Implemented security measures in JFROG, including user authentication and access controls, to safeguard reposito-ry contents. Configured and utilized Prometheus for metrics collection and Grafana for creating real-time dashboards to moni-tor application health and performance. Set up alerting and monitoring pipelines using Prometheus and Grafana to ensure system reliability and scalability. Deployed and monitored applications using key GCP services, including Compute Engine, Cloud Storage, and Cloud Pub/Sub, enhancing application performance and reliability. Integrated WebSphere 8.1 with various middleware services like databases, messaging queues, and external sys-tems, leveraging features like JMS, JDBC, and web services for seamless communication across applications Use Talon s features to configure data protection policies within Java applications, ensuring sensitive data remains secure and compliant with company policies. Environment: Java21,Azure, spring, JavaScript, Maven, PL/SQL, SQL, Oracle, RESTFUL Web services, Spring, Spring Security OAuth, Spring MVC, Spring , JBoss 7.1, WebSphere 8.1,Hibernate, Windows, Cygwin, ANT, Swagger UI, Toad, GIT, Bit Bucket, STS, Eclipse, IntelliJ,APIGEE,ReactJS,Selenium,Gen AI. Client: TMNAS, Fremont,CA April 2021 July 2022 Role: Sr. Java Developer Responsibilities: Involved in various Agile methodologies as sprint planning, retrofitting, requirement gathering, modeling, analysis, architecture design & development and worked with the business team to review the requirements. Utilized application servers including Tomcat, JBoss 7.1, WebSphere 8.1, and WebLogic for deploying and managing enterprise applications. Use Core Java s multithreading features (Thread, Runnable, Callable, ExecutorService) to create and manage multiple threads within applications. Integrated Snowflake with cloud data sources and third-party tools, enabling seamless data ingestion and transformation workflows. Implement proper exception handling strategies using Core Java s exception hierarchy, ensuring that the application can handle runtime errors gracefully. Built reusable dbt models for modular and maintainable SQL code, improving collaboration and reducing development time. Implemented cloud infrastructure deployment using Terraform. Developed static pages using HTML5, CSS3, Angular 5 with Ajax calls inJQuery to retrieve data as JSON Object from back-end RESTful Server, then display the well-organized result in web pages by writing AngularJS controller, directives, services, and route providers. Also, used AngularJS filter to make the data searchable and sortable. Managed a Openshift cloud platform environment, including Azure and GCP, ensuring consistent deployment practices and cost optimization. Contributed to the design and development of a scalable data analytics platform using Java, Spring Framework, and Apache Spark. Developed and maintained Java-based applications using SpringBoot, Servlets, and JavaBeans, ensuring high performance and reliability. Designed and implemented efficient data models for both OLTP and OLAP databases, optimizing data storage and retrieval to meet privacy and security requirements. Implemented best practices for secure API development, including token management, encryption, and certificate handling to safeguard applications. Developed and maintained RESTful APIs using PHP, enabling seamless data exchange between client and server. Created single page application with loading multiple views using route services and adding more user experiences to make it more dynamic by using AngularJS framework. Utilized Sonar to monitor code quality metrics, ensuring adherence to best practices and coding standards. Implemented Cucumber testing framework for automated acceptance tests, enhancing collaboration between development and business teams. Integrated PagerDuty for automated incident response and streamlined alert management, reducing downtime during critical events. Configured PagerDuty to notify and escalate incidents, improving on-call management and system reliability. FX Systems Development, Payments Architecture, Real-Time Transactions, SWIFT Integration, API Design for Financial Services. Involved in Karate Framework for API testing, resulting in reduced testing time and increased test coverage. Developed and maintained Cassandra database clusters to ensure data availability and fault tolerance. Implemented messaging technologies such as MQ, JMS, and Kafka for asynchronous communication between components of the system. Applied techniques such as memoization (React.memo) and code splitting to enhance application performance. Used ReactJS for building web applications with client-server architecture, where both can initiate communication in two-way connections and allow them to exchange data. Developed reusable UI components using React.js, promoting maintainability and scalability.Led the migration of a legacy MySQL database to PostgreSQL, improving system reliability and reducing query execution times Implemented Multi-threading synchronization using Thread pools, executive service and lock interfaces. Led a team of developers in building and deploying applications using OpenShift, ensuring efficient containerization and scalability. Proficient in data analytics and visualization tools, including Tableau, Power BI, and BigQuery, to derive insights and enhance data-driven decision-making. Configured and maintained DNS Proxy settings to facilitate secure and efficient traffic routing for web applications. Managed artifacts and dependencies within JFROG Artifactory, ensuring secure storage and controlled access to development assets. Contributed to the development and maintenance of a layered Service Oriented Architecture (SOA/MVC) architecture for web applications,ensuring code reusability and maintainability. Utilized SonarQube to perform comprehensive static code analysis, identifying coding issues, bugs, and security vulnerabilities. Managed and interacted with databases such as MySQL and PostgreSQL using PHP, writing efficient queries and stored procedures. Big Data Processing: Hands-on experience with Apache Spark for large-scale data processing, ensuring data privacy solutions are scalable and efficient. Used Java 17 Lambda expressions along with Streams for creating internal iteration & performing chain operations such as Filter,Map, on a collection. Implemented and automated solutions on AWS cloud via Jenkins Pipeline and Deployed the Elastic Load Balancer,configured HTTPS Certificates on AWS. Used Spring MVC framework at the Web tier level to isolate each layer of the application so that complexity of integration will be reduced and maintenance will be very easy. Used Spring AOP for solving crosscutting concerns like keeping customer log data and transactions details etc. Used Spring Batch for processing large amount of data like transaction management, job processing, resource management and logging. Secured the API's by implementing Oauth2 token based authentication/authorization scheme using spring security. Designed and implemented FX systems for real-time currency exchange and settlement, processing transactions with low latency and high reliability. Worked on POC for MongoDB to store non-relational data into collection and retrieve them whenever required. Expertise in data modeling for NoSQL databases, including embedding and referencing techniques to enhance data retrieval efficiency. Automated artifact deployment and version management through JFROG, improving build efficiency and consistency across projects. Familiar with MongoDB s replication and sharding features to ensure data availability, scalability, and fault tolerance in distributed environments. Experienced in integrating MongoDB with Node.js/NestJS applications, implementing efficient data access layers, and ensuring seamless data flow between the server and the database. Identified vulnerability issues using Dynamic scan tools as Veracode ,fixing some vulnerability issues as XSS and SQL injection. Created ETL monitoring dashboards to track pipeline performance and data quality metrics, reducing pipeline downtime by 20%. Created POC for Automatic update for the deployment status update using Vert.x Framework (push Notification), HTML5, CSS3, JavaScript, Reactjs, Typescript,Junit & JAVA. Involved in writing MSSQL and Stored Procedures for handling complex queries with help of SQLDeveloper, DBeauty and access them through Java Programs from relational database (Oracle, Sybase). Assisted in writing and debugging Bash scripts for automating routine tasks, leading to increased team productivity. Developed REST API's using Spring MVC and Spring boot, involved inhosting all microservices and development carried out under Eclipse(IDE) Designed and developed MicroServices Architecture to divide application into business components using Spring Boot. Applied OAuth 2.0, API key validation, and other security measures in Apigee, ensuring data protection and secure access to APIs. Leveraged Apigee's analytics capabilities to monitor API performance, usage patterns, and troubleshoot issues for continuous improvement. Experienced with Docker Swarm and Kubernetes for orchestrating and managing container clusters, providing high availability and scalability for microservices-based applications. Oversaw the integration and management of OAuth token-based authentication, ensuring secure user sessions and API access. Integrated Selenium tests with CI/CD pipelines, enabling continuous testing and early detection of defects throughout the development lifecycle. Used Terraform on GCP to automate provisioning and configuration, improving deployment speed and consistency across environments. Build and maintain Java APIs to interact with Talon s security features, enabling secure data exchanges and policy enforcement across applications. Integrate Talon s threat detection capabilities into Java applications, enabling real-time monitoring and response to potential security incidents. Environment: Java17, J2EE, HTML, CSS, JQuery, JavaScript, CSS3, Angular JS, Dojo, AJAX, Spring Framework, Spring MVC, Spring Security, Spring Boot, Spring Data (Spring JDBC, Spring ORM), Micro services, SOA (Service-oriented) Archi-tecture, TDD, Log4j, drools, My Eclipse Blue, Maven, Apache Camel ,Apache Kafka , Rabbit MQ, Agile/Scrum Method-ology, Maven, IBM Jazz, JIRA, Serena, Jboss7.1,WebSphere 8.1, GitHub, NoSQL Mongo DB , Cassandra,Azure, Seleni-um. Client: Tech Mahindra, Hyd,India May 2018 Decemeber 2020 Role: Sr.Software Engineer Responsibilities: Followed agile methodology and involved in daily SCRUM meetings, sprint planning, showcases and retrospective and used JIRA as a tracking tool for the sprints. Designed the front-end screens using Angular 10,13, HTML5, JSF, JSP, CSS3, JavaScript, React, TypeScript, jQuery, Bootstrap. Design and implement RESTful APIs using Core Java, ensuring that they are secure, scalable, and easy to use. Designed and implemented event-driven architecture for real-time data processing and communication between microservices Led the development of React.JS-based user interfaces for complex web applications, ensuring responsiveness and intuitive user experiences. Designed and implemented Kubernetes clusters on the OpenShift Cloud platform, optimizing application deployment, scaling, and management. Implemented MicroServices using Spring Boot, Spring Cloud, Spring MicroServicesand enabled discovery using Netflix Eureka Server. Monitored and managed DNS Proxy configurations, aligning them with enterprise security standards to protect internal network traffic. Deployed and managed containerized applications using AWS ECS for improved scalability and resource management. Designed and implemented multi-cluster Kubernetes environments, ensuring high availability and fault tolerance. Integrated and optimized GraphQL or Cassandra databases to improve data retrieval and storage. Worked on performance testing frameworks using Mocha. Implemented event-driven architectures using Apache Kafka, ensuring reliable and scalable communication between microservices. Experience in installation of Splunk, setting up all the required attributes and monitored the infrastructure implementation. Implemented RESTful Web Services to retrieve data from client side using MicroServices architecture. Experience in the Middleware area with the technologies Web Services (SOAP, WSDL) ,MQ and kafka. Involved in development of React.js applications, utilizing Redux for state management, resulting in improved user experience and increased client satisfaction. Developed and maintained automation scripts using Bash and PowerShell to streamline system administration tasks Ensured optimal network performance by troubleshooting DNS Proxy issues and implementing solutions to reduce latency and enhance connectivity. Implemented data security protocols, including encryption, data masking, and anonymization within K2View to ensure compliance with regulatory standards (e.g., GDPR, CCPA) and protect sensitive business and customer data. Managed Apigee Developer Portal to streamline API documentation, allowing easy access for developers and improving user adoption. Collaborated with cross-functional teams to integrate K2View s platform with existing IT infrastructure, aligning data strategies with business goals and improving data accessibility for various departments. Performed real-time data transformation and mapping to support business intelligence (BI) initiatives, allowing for real-time analytics and reporting through K2View s unified data model. Worked on to create modular components with light weight to deploy using various protocols. Developed Angular services making use of resource service to perform REST API calls to the backend. Implemented Service Oriented Architecture (SOA)/MVC principles to enhance the maintainability and reusability of code across multiple projects. Created web services using Spring @Rest Controller to return JSON to the frontend. Managed Elasticsearch clusters, optimized performance, and ensured high availability. Implemented Spark SQL queries to extract meaningful insights from large datasets, enabling data-driven decision-making. Enhanced data privacy by incorporating secure token management strategies to prevent unauthorized access and data leaks. Utilized Sonar for continuous code inspection, identifying and resolving code quality issues to maintain high standards. Implemented Cucumber testing framework to create and execute automated acceptance tests, ensuring consistent behavior across the application. Used Multithreading to refresh the cache at a given set of time interval. Developed and maintained security best practices related to certificate management, including key rotation and SSL/TLS configuration. Developed REST API's using Spring MVC and Spring boot. Worked with Cassandra databases, designing data models and writing SQL queries Designed, developed, and deployed cloud-based applications on Microsoft Azure, leveraging services such as Azure App Services, Azure Functions, and Azure Storage to ensure scalable, secure, and high-performance solutions. Oversaw the integration and management of OAuth token-based authentication, ensuring secure user sessions and API access. Automated cloud resource provisioning and management using Azure Resource Manager (ARM) templates, PowerShell, and Azure CLI, resulting in faster deployment cycles and reduced manual errors. Utilized Docker Compose to define and manage multi-container applications, streamlining the setup and scaling of services in local and production environments. Implemented and managed automated configuration management using Puppet, ensuring consistent environments across development, testing, and production. Leverage Talon s access control capabilities within Java applications to manage user permissions and restrict unau-thorized access to critical resources. Environment: Java1.8, spring, JavaScript, Maven, SQL, PL/SQL, Oracle, RESTFUL Web services, Spring, Spring Security OAuth, Spring MVC, Spring Boot, JBoss7.1, Hibernate, Windows, Cygwin, ANT, Swagger UI, Toad, GIT, Bit Bucket, STS, Eclipse, IntelliJ , AWS , Cassandra , JUnit ,Mockito,Azure. Client: EPAM, Hyd,India May 2016 April 2018 Role: Software Engineer Responsibilities: Involved in Requirements gathering, Analysis, Design, Development and Testing of application using AGILE methodology (SCRUM). Integrated Azure DevOps for continuous integration/continuous deployment (CI/CD) pipelines, improving development workflow efficiency by automating testing, builds, and deployments across multiple environments. Configured and managed Azure Virtual Networks, Network Security Groups, and VPN Gateways to ensure secure and reliable connectivity across on-premises and cloud environments. Followed Java & J2EE design patterns and the coding guidelines to design and develop the application Deployed, and maintained OpenShift cloud platform clusters on AWS, streamlining application deployment Integrated Box API's webhooks to enable real-time notifications and automatic synchronization of files across multiple devices. Integrated Spinnaker APIs to automate application deployments and ensure continuous delivery. Configured DataDog for application monitoring and infrastructure observability, enhancing performance diagnostics. Implemented the application using Spring IOC, Spring MVC Framework, Spring Batch and handled the security using Spring Security Experience building and managing a large scale middleware infrastructure. Played a key role in architecting and implementing a Layered Service Oriented Architecture (SOA/MVC) Architecture for a mission-critical web application. Implemented MicroServices using Spring Boot, Spring Cloud, Spring MicroServicesand enabled discovery using Netflix Eureka Server. Implemented RESTful Web Services to retrieve data from client side using MicroServices architecture. Created web services using Spring @Rest Controller to return JSON to the frontend. Sending requests and responses in Microservices through REST/HTTP Created SQL Server logins and assigning roles and Authentication models as a part of Security. Used multi-threading in programming to improve overall performance using Singleton design pattern in Hibernate Utility class. Configured AWS CloudWatch for application monitoring and logging, setting up alerts to detect and mitigate potential issues proactively. Used Spring Integration which enables lightweight messaging within spring based application and integration with external systems like JMS messages, files. Utilized Puppet to automate server provisioning and software deployments, reducing setup time and minimizing configuration drift across environments. Developed a data warehousing solution for real-time analytics, integrating MySQL and MongoDB data sources for comprehensive insights Designed Networks on AWS for Complex organizations and Hybrid Architecture & SQL Database(DB) options on AWS Implemented service methods and MS SQL queries, PL/SQL to interact with the forms. Involved in creating Mongo DB, collections and documents and developed Mongoose Schema objects to perform CRUD operations. Used MAVEN to define the dependencies and build the application and used JUnit for suite execution and Assertions. Used JIRA for bug tracking, issue tracking and project management. And Conducted API testing using karate Framework. Demonstrated expertise in using QuickBooks for financial management and accounting tasks. Managed and recorded financial transactions using QuickBooks, ensuring accurate bookkeeping and timely reporting for decision-making. Created and tracked invoices, processed payments, and managed accounts receivable, improving cash flow and customer relationships. Generated detailed financial reports and dashboards in QuickBooks to analyze business performance and support strategic planning. Utilized QuickBooks to track inventory levels, manage stock replenishment, and reduce overhead costs. Customized QuickBooks settings to align with business needs and integrated third-party applications to streamline operations. Handled payroll functions using QuickBooks, ensuring compliance with tax regulations and timely employee payments. Administered Azure Active Directory for identity and access management (IAM), implementing Single Sign-On (SSO), Multi-Factor Authentication (MFA), and role-based access control (RBAC) to enhance security. Integrated Apigee with CI/CD pipelines to automate API deployment and testing, ensuring fast and reliable API release cycles. Configured custom error handling and logging in Apigee, facilitating faster identification and resolution of API issues. Created custom policies using JavaScript and Python in Apigee to extend functionality and meet specific business requirements. Created and optimized Docker images, leveraging multi-stage builds to reduce image size and enhance application performance. Managed the deployment, configuration, and troubleshooting of Java EE applications on WebSphere 8.1, ensuring high availability, security, and scalability in enterprise environments Environment: J2EE, JDBC, Struts, JavaScript, Html, CSS, JSP, Servlet, Tomcat, Oracle, Eclipse IDE, CVS, ANT, Log4J, WebSphere 8.1, Hibernate, CVS, SQL, Struts, MVC,Azure,APIGEE,Docker. Keywords: cprogramm cplusplus continuous integration continuous deployment artificial intelligence machine learning user interface message queue javascript business intelligence sthree database information technology microsoft procedural language California