• MongoDB upgrade from V3 to V3.6 without any service downtime in production.• Developed a Search Service for real-time data fetching using Node.js, MongoDB, Elastic Search, MySQL, Express.js• Setting up new DB for migrating production data with no service downtime.• Developed multiple features in Authentication and Authorization service using Redis, Node.js, Express.js, MongoDB, MySQL.• Created an hierarchy based Authorization system using Tree Data structure. Also created a front-end for this service using React.js • Managing staging environment and production environment on AWS using Cloud Front, EC2, S3, Route 53, Redshift, Elasticache, Elastic Block Store, Identity and Access Management, VPC and RDS.• Created a log management service using Python to fetch information and warning logs from multiple services, thereby cleaning the data and storing it in Redshift for analysis.• Developed a Load Balance analysis using Matrix Beat.• Created a service to store system logs using File Beat.• Tracking website health check and downtime issues with a service using Heart beat• Tracking performance monitoring using APM• Fetching and storing audit logs in Elastic search using Audit Beat.

• Design and development of front-end using React.js, Bootstrap, HTML5, and CSS3.• Handled bug-fixing for client internal dashboard using React.js • Monitoring and resolving server-related issues such as Load Balancing, Site Outages. • Design, development, and implementation of promotional pages.• Deployment of backend and frontend code on multiple servers using Linux commands.

Created a CRM Dashboard for Interactive Voice Response (IVR) with automatic phone system technology that allows incoming callers to access information via a voice response system of pre recorded messages without having to speak to an agent, as well as to utilize menu options via touch tone keypad selection to have their call routed to specific departments or specialists. Tech Stack: React.js

• Created a Search Engine using C++.• Developed an e-commerce site using HTML, CSS, Javascript, Node.js