Real-Time React Native

Varun Meda

Lead UI/UX Developer

**********@*****.***

PROFESSIONAL SUMMARY

Over 8+ Years of experience in UI Path Development and UI/UX Design using various Front-End Technologies.

Proficient in SQL, PL/SQL developed Stored Procedures, Triggers, Functions and Packages besides writing DDL, DML and Transaction queries with development tools like TOAD and Rapid SQL on MySQL, SQL Server and Oracle.

Strong experience in web technologies such as HTML/HTML5,CSS/CSS3, JavaScript, JQuery, AJAX, Angular JS, Bootstrap JS, Knockout JS, Node JS.

Experience in debugging and troubleshooting using different debugging tools, such as Chrome Inspector and familiar with unit test tools such as Jasmine, Jest and Enzyme.

Expertise in working with different databases like Oracle, MySQL, PostgreSQL and Good knowledge in using NoSQL databases MongoDB.

Expertise in advanced java scripts like KnokoutJS, RequireJS, AngularJS, AngularJS, Flexbox, BootstrapJS and BackboneJS.

Strong experience and knowledge of real time data analytics using Spark Streaming, Kafka and Flume.

Experienced with designing and implementing various serverless, fully manage cloud service including S3, Lambda, CloudWatch, API Gateway, Athena, SES, SNS, SQS Step Functions, CloudWatch, EventBridge, Glue, Kinesis Firehose and DynamoDB.

Education:

Bachelors in Engineering from Visveswaraya Technological University, Bangalore in 2015

Master’s in Business Analytics, University of New Havens USA in May 2023

PROFESSIONAL EXPERIENCE:

Equip Health Inc New Havens, CT (Jan 2023 to Present)

Sr. UI/UX Developer

Responsibilities:

Worked with cutting-edge JS frameworks, and tools such as Node, Webpack, abel, ESLint, and Gulp.

Worked with the Spark for improving performance and optimization of the existing algorithms in Hadoop using Spark Context, Spark - SQL, Spark MLlib, Data Frame, Pair RDD's, Spark YARN.

Implemented Hibernate for the ORM layer in transacting with Oracle database

Integrated TypeScript with modern front-end frameworks (Angular, Angular, Vue) to build dynamic, type-safe user interfaces.

Good Experience in AngularJs for creating interactive UI/UX using One-way data flow, Virtual DOM, JSX, Angular Native concepts.

Used Kubernetes to orchestrate the deployment, scaling and management of Docker Containers.

Experience in content management systems like Drupal, Joomla, and Word press to perfectly UI/UX the client’s requirements.

Built out a large WordPress site utilizing advanced CSS techniques like Flexbox, plus numerous jQuery-based UI elements.

Developed efficient and scalable front-end applications using GraphQL to query data from APIs.

Built custom JavaScript modules to improve code reusability and maintainability across large-scale applications.

Extensively developed Rich Internet Applications and various UI/UX widgets using jQuery, created animations and transitions as per requirement and used Jasmine/Karma, Enzyme for testing the application.

Designed and implemented TypeScript interfaces and generics to define complex data structures and reusable components.

Enabled continuous delivery via Gitlab, Spinnaker, Docker, Jenkins, Terraform, and AWS Designed and developed load tests using Scala (Gatling)

Worked on the Java Collections API for handling the data objects between the business layers and front end.

Used Spark Streaming APIs to perform transformations and actions on the fly for building common learner data model which gets the data from Kafka in Near real time and persist it to Cassandra .

Automated build and deployment processes with TypeScript and Webpack, optimizing the development workflow.

Effectively work on Test Driven Development by creating multiple unit tests for functions created. Actively test service calls using Fiddler for REST API and BloomRPC for gRPC service calls.

Design, build, secure and manage clusters/workloads running on self-managed Kubernetes (Kops), Amazon EKS (Amazon Kubernetes Service), Amazon ECS and AWS Fargate

Developed Kafka consumer's API in Scala for consuming data from Kafka topics.

Deployed Spring Boot based micro services Docker container using Amazon EC2 container services and using AWS admin console.

New Health: Texas. (Aug 2022 – Jan 2023)

Sr. UI/UX Developer

Implemented GraphQL queries, mutations, and subscriptions to handle real-time data updates and state management.

Implemented Amazon Web Services (AWS) provisioning and working with AWS services like EC2, S3, Glacier, ELB (Load Balancers), RDS, SNS, SWF, and EBS.

Create and manage Terraform and CloudFormation templates as infrastructure as code.

Developed high quality dynamic web components using JavaScript,Angular JS, ES6, Next JS, HTML5 and CSS3.

Created AWS Lambda function for extracting the data from database and post the data to AWS S3 bucket on scheduled basis using AWS CloudWatch event.

Develop python code to automate the ingestion of common formats such as JSON, CSV by using Logstash from elastic search to Kibana dashboard to be viewed by clients.

Involved in designing and deploying a multitude application utilizing almost all the AWS stack (Including EC2, Route53, S3, RDS, DynamoDB, SNS, SQS, CDK IAM) focusing on high-availability, fault tolerance, and auto scaling in AWS Cloud formation.

Good Experience in Angular.js for creating interactive UI/UX using One-way data flow, Virtual DOM, JSX, Angular Native concepts.

Converted the codebase to use modern Ecma Script (ES5, ES6) using babel, typescript to transpile and webpack as a module loader and used Angularive extensions.

Created a single page site to display the status of customer orders using Angular, Redux and Immutable.

Created Nifi flows to trigger spark jobs and used put email processors to get notifications if there are any failures.

Implemented the application using Spring Boot Framework and handled the security using Spring Security.

Utilized Angular 17's enhanced dependency injection system to create more maintainable and modular code.

Used Express Framework to set up middleware to respond to the HTTP requests with the help of Node .JS.

Caterpillar: Maryland. (Sep 2020 – Dec 2021)

UI/UX Developer

Responsibilities:

Used NPM packages like babel, hot-loader, and web pack, Angular-tabs, node-sass.

Write server-side code using Loopback and Express JS which is NODE JS Framework.

Creating and maintaining storage services such as S3, RDS,Redis databases and enabling lifecycle policies.

Developed responsive web pages using CSS3 media queries to ensure optimal display on various screen sizes and devices, improving user experience across desktops, tablets, and mobile devices.

Involved in development of test environment on Docker containers and configuring the Docker containers using Kubernetes.

Developed a single page web application (SPA) based on the RESTful API using Angular and Redux, Spring Boot, Hibernate, and SQL Server.

Automated RabbitMQ cluster installations and configuration using Python/Bash.

Utilized TypeScript's type system to enhance code quality, reduce runtime errors, and improve developer productivity.

Contributed to reducing API call latency by leveraging GraphQL batching and query optimization techniques.

Involved designing in web pages using HTML5, CSS3, JavaScript, Bootstrap, SASS, LESS, Angular.js, Redux, Flex, Mongo DB.

Involved in designing and deploying a multitude application utilizing almost all of the AWS stack (Including EC2, Route53, S3, RDS, Dynamo DB, SNS, SQS, IAM) focusing on high-availability, fault tolerance, and auto-scaling.

Setting up the CI/CD pipeline using GitHub, Jenkins, Maven, Chef, Terraform and AWS.

Used FLEXBOX to create grids and adopt cross browser interactive features and to make the web pages more.

Used Spring Boot which is radically faster in building cloud Microservices and develop spring based application with very less configuration.

Design and develop the UI/UX using spring standard form tag libraries, JSP, HTML5, CSS, JavaScript, Typescript, RXJS (Angularive Programming), jQuery, AngularJS.

Apply Spring framework (Spring IOC) to inject Java beans to each layer of the application.

Created environment on AWS platform, AWS Hadoop EMR cluster, Kafka Cluster, Cassandra Clusters and implemented system alerts on Data Dog.

Used Jenkins pipelines to drive all micro services builds out to the Docker registry and then deployed to Kubernetes, Created Pods and managed using Kubernetes

Using GraphQL for the generating REST endpoints that can be consumed by a client application (Android, iOS or Web application)

Deployed Microservices including provisioning AWS environments using ECS services to run containers with Fargate mode.

Participated in server-side scripting languages and client scripting languages like JavaScript, jQuery, Bootstrap, NodeJS, ExpressJS, AngularJS, JSF, Prime Faces andJSP.

Interacted with Testing Team, Scrum Masters and Business Analysts for fixing issues. Performed the System testing, Regression Testing for Complete UI/UX after fixing the issues.

Configured AWS CloudWatch Alarms, CloudWatch Logs, CloudWatch Events and CloudTrail log monitoring tools to monitor the containers from ECS cluster.

Utilized HTML5, CSS3 and Flexbox layout styles to accommodate different channels like dotcom, MSR, mobile environment.

Developed and managed AWS Infrastructure as Code leveraging Terraform, AWS CDK (Typescript) and Serverless Framework.

Integrated GraphQL with Angular to streamline data fetching and improve component rendering.

Worked on Angular with TypeScript and other latest client-side technologies including AngularJS, ES6, Gulp, NodeJS, RxJS, Angular CLI, Webpack, Chrome DevTool, Karma and Jasmine.

Experience in content management systems like Drupal, Joomla, and Word press to perfectly UI/UX the client’s requirements.

Implemented unit tests using Jasmine and Karma to ensure the stability and quality of Angular 14 applications, reducing regression and improving maintainability.

Development of code using JSP code, HTML, CSS, JavaScript libraries such as JavaScript, Vue.js, jQuery, Prototype plus relevant coding standards.

Capital One: (Jan 2019 – Sep 2020)

Full Stack Developer

Responsibilities:

Designed, developed and tested AWS web application and integration projects using tec. such as NodeJS, Express, Mongo, MySQL Web Services (REST/SOAP).

Used Angular JS, ES6, Next JS and Redux for making Restful API calls and data binding.

Created dynamic HTML pages, used JavaScript, Ext.JS, NextJS, JQuery, NoSQL, Restful and AJAX to create interactive front-end GUI.

Worked on the application Nest.js developer to build different REST APIs for modules such as user, products, checkout.

Developed Sqoop and Kafka Jobs to load data from RDBMS, External Systems into HDFS and HIVE.

Wrote TypeScript that is transpiled into Javascript via the CLI powered by Webpack, with a design that is informed by Google's Material Design Specifications.

Extensively developed Rich Internet Applications and various UI/UX widgets using jQuery, created animations and transitions as per requirement and used Jasmine/Karma, Enzyme for testing the application.

Utilized Apollo Client to manage GraphQL data fetching, caching, and local state for faster, more responsive UIs.

Built Jenkins jobs to create AWS infrastructure from GitHub repos containing Terraform code to deploy different Applications infrastructure for Dev, QA and Pre-prod based on the requirement from different teams.

Used JERSEY framework to implement the JAX-RS (Java API for XML and RESTful Service).

Involved in implementing presentation layer using JSF, JSP, HTML5, CSS, JQuery, JavaScript, AngularJS, Angular 2, Angular 10, Ext JS, Node JS, Nest JS, JSON and Servlets.

Designed Automation Test cases using Selenium WebDriver, JavaScript, Jasmine, Jest, Mocha TestNG,and Maven. Used Selenium Grid to run test cases in multiple browsers and Platforms.

Managed and assisted development for the SCFTA website responsive design retrofit utilizing Flexbox CSS.

Developed client websites in front end technologies such as SASS, Javascript, Gulp, Webpack, VueJS,Angular, GraphQL and Apollo.

Built pixel-perfect layouts from design mockups using HTML5 and CSS3, ensuring accurate representation of visual designs.

Implemented Spring boot microservices to process the messages into the Kafka cluster setup.

Utilized Kubernetes for the runtime environment of the CI/CD system to build, test deploy.

Christus health: Maryland. (Feb 2017 – Dec 2018)

Software Developer

Implemented gRPC and REST based web services using MUX router and consumed using HTTP services

Worked with NPM commands and using Package. Json for managing dependencies and dev-dependencies of Nest.js applications.

Implemented functionality using Servlet, JSP, HTML and Struts Framework., Hibernate, Spring, Java Scripts and Weblogic.

Developed Python based API (RESTful Web Service) to track the events and perform analysis using Flask.

Integrated authentication and authorization mechanisms into GraphQL queries and mutations to secure data access.

Implemented Single Page Application ( SPA ) architecture and client side MVVM(Model View- View Model) using Vue JS.

Actively involved in coding and designing using C#, XML, ADO.NET, WCF, JavaScript, Angular JS, Underscore JS, JQuery, HTML, and Cascading Style Sheets (CSS).

Lowe’s: Remote (Jan 2016 – Feb 2017)

Web Developer

Responsibilities:

Built Web pages that are more user-interactive using jQuery plugins for Drag and Drop, Auto Complete, JSON, Angular JS, JavaScript, Bootstrap.

Monitored the Production jobs which run on daily basis and validating the jobs through production databases and ETL job control.

Implemented various screens for the frontend using Angular.js and used various predefined components from NPM (Node Package Manager) and Redux library.

Designed and Developed custom data flow using Apache Nifi to fully automate the ETL process by taking various worst-case scenarios into account.

Developed client websites in front end technologies such as SASS, Javascript, Gulp, Webpack, VueJS, Angular, GraphQL and Apollo.

Good working knowledge on Git, SVN and Microsoft VSS for code management and version control.

Used C# to code in Business Logic and Data Access Layer.

Created Angular service and integration with RESTful APIs. Used Angular HTTP Client to send GET/POST request to fetch data from server.

Developed single application to render dynamically based on the JSON from the Node JS server.

Used Microservice architecture, with Spring Boot-based services interacting through a combination of REST and MQ and leveraging AWS to build, test and deploy micro services.

Involved in UI Designing, Development and Testing of Web Forms using ASP.Net, C#, XML, ADO.Net and .NET Framework.

Responsible for migrating/supporting the application to Amazon Web Services cloud infrastructure.

Worked on implementing Ajax, jQuery methods in retrieving the data from JSON files and loading the claims data on the HTML elements.

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