•Used Angular reactive forms to implement complex forms and performed the validations using Form Builder.•Worked on Angular Material design for sorting, filtering based on range of data with auto complete features.•Worked closely with the UX designer to gather the requirements and build the application according to various wireframes.•Created multiple APIs using NodeJS where using multiple packages like express, mongoose, cors etc., to effectively fetch data from the NoSQL database i.e., MongoDB.•Experience in working on different architectures like RESTful APIs, graphQL, Web Services.•Worked on AWS provisioning and had good knowledge of AWS services like EC2, Lambda, Elastic load balancers, Elastic container service, S3, RDS, Dynamo DB, CloudWatch, cloud trail, cloud formation, IAM, Elastic search.•Developed, deployed, and managed event -driven and scheduled AWS Lambda functions to be triggered in response to events on various AWS sources including logging, monitoring, security related events and to be invoked on scheduled basis to take backups.•Maintained and updated a GraphQL layer to allow retrieval and updates of user interactions with PostgreSQL database.

•Developed user interface by using React JS, Flux for SPA development.•Worked in using React JS components, Forms, Events, Keys, Router. Animations and Flux concept.•Maintained states in the stores and dispatched the actions using redux•Used Middleware, Redux-Promise in application to retrieve data from Back-End and to also perform RESTFUL services•Created and used Reducers that received said Actions to modify the Store State Tree.•Built AWS infrastructure using various resources such as S3,IAM,VPC,CloudWatch,Lambda and Dynamodb.•Used AWS lambda and API gateway to create serverless micro services.•Used terraform to write Infrastructure as a code and created terraform scripts for Ec2 Instances,Elastic Load Balancers and S3 buckets.

•Added Dynamic Functionality by creating and dispatching Action Creators that deployed Actions.•Worked closely with the Back-End team to display data using the Custom Components, library Components, and Redux.•Implemented HTTP requests using RXJS observable library to handle multiple values over time.• Applied optimization techniques to reduce page size and load times to enhance user experience using sprites.•Used React-Router to turn application into Single Page Application.•Responsible to Style, look and feel of the web page with SASS that extends CSS with dynamic behavior such as variable, mixing, operations and functions•Implemented various screens for the front end using React.js and used various predefined components from NPM (Node Package Manager) and redux library.•Worked on AWS provisioning and good knowledge on AWS services like S3,IAM,VPC,CloudWatch,Lambda and Dynamodb.•Implemented a serverless architecture using API gateway,Lambda,dynamo db and deployed AWs Lambda code from s3 buckets.

•Worked on server side scripting using java script framework Node.js created Api’s using Node.js and connected to MYSQL.•Developed Web API using NodeJS and hosted on multiple load balanced API instances.•Implemented HTTP REST API using NodeJS and Express JS and extensively tested RESTful services using Postman.•Implemented Micro Services into existing system architecture. Developed Micro Services business components and RESTful service endpoints using Spring Boot.