Worked as part of an Agile/Scrum based development team and exposed to TDD approach in developing applications. Developed Application using HTML5, CSS3, JavaScript, jQuery, JSP, Node.js, ReactJS and Involved in the development of fully flexible cloud system built in JavaScript and jQuery in frontend, With Python, Flask in Backend and MongoDB in database. Developed real time tracking of schedules using Vue JS. Also, Architected and implemented REST API interfaces using JavaScript and Vue.js and Designed responsive UI pages using HTML5, CSS, JavaScript, Vue.js, and react-bootstrap. Designed, Refactored and maintained the SERVICE GUI system based on Vue js and Flask and Developed and tested many features for dashboard using Python, Bootstrap, CSS, and JavaScript (Vue.js)

Worked on Pandas API to put the data as time series and tabular format for local timestamp data manipulation and retrieval and storing it into MongoDB and Unstructured data was handled using Mongo DB and used Mongoose Connector for connecting. Followed redux application architecture to build client-side user interfaces, complementing reacts compassable view components. Implemented code to perform CURD operations on Mongo DB using PY Mongo module. Involved in Designing the UI/UX and Created the IOS/Android app for a Bot with conversation, visual recognition, voice recognition, restful services, OpenCV, Graph QL, React Native, and AWS AppSync. Designed and coded the AWS AppSync based Graph QL API for data transfers. Developed three early prototypes using React, React Native, Redux, Graph QL, Apollo, and AWS services Cognito, AppSync and DynamoDB. Developed three early prototypes using React, React Native, Redux, Graph QL, Apollo, and AWS services Cognito, AppSync and MongoDB and Created database using Amazon DynamoDB and AWS AppSync. Put customer first by recommending Cognito Hosted UI instead of a custom solution, reducing development and testing time on authentication by dozens of hours which Saved 20-30 hours of development on an AWS Cognito ticket by simplifying the task. Developed application to perform CRUD operations using Python on Mongo DB and Designed Web Application to connect to User Pool, create users and verify login using AWS Cognito for security Worked on building and improving METAFLOW engine including core components as well as the workflows and Involved in Machine Learning Infrastructure team and our open-source product METAFLOW.

Developed RESTful Web Services using Flask Framework.Writing Complex queries using SQLAlchemy library as an ORM.Writing test cases using units test and mock.Created Swagger UI using Flassger for API Documentation.Deployed web Services on AWS Elastic Beanstalk and configured EC2 Instance with Active Directory so that multiple users can use that instance.Manage datasets using Panda data frames and MySQL, queried MYSQL database queries from python using Python-MySQL connector and MySQL dB package to retrieve informationDesigned and maintained databases using Python and developed Python-based API (RESTful Web Service) using Flask, SQLAlchemy, and PostgreSQLDevelop multiple scripts using python and PowerShell for automating the process. Design test plans, scenarios, scripts.Integration of AWS S3 service with the application for storing all the static files. Migration of data from PostgreSQL to DynamoDB.