•	Developed core functionalities such as Listing, Offer and many more services to achieve a scale of over 7 million transactions in a day using AWS Lambda, Dynamodb and MySQL and owned over 5 different Python microservices.
•	Streamlined the integration of marketplaces to the application using modern deployment practices for CI/CD using AWS CodeBuild, CodePipeline and CodeDeploy.
•	Improved the overall robustness of the system by revamping the logger service with JSON support to integrate with Splunk.
•	Lead the whole application setup for the China region and developed the resources for Alicloud. Created abstractions in Python for Storage, Serverless Functions and PubSub for faster integrations with AWS, Azure and Alicloud across different services.

Wrote back end for Hub9 (app1.hub9.io) - Inventory Management Software
Designed and written REST APIs for mobile clients
Worked with different Marketplaces APIs (Amazon, Flipkart, Shopify, Woocommerce, Etsy APIs)
Solely responsible for all the Analytics and Market place payment reconciliation, have worked with Snapdeal payments, Paytm Payments, Flipkart Payments and Amazon payments APIs.
Designed and written Billing module, includes implementation of Razorpay.

Stack Includes Python-Django, Javascript and Postgresql

Senior Software Engineer at Ula

A 2D Game with a new concept. Check out at the Google Play Store
https://play.google.com/store/apps/details?id=com.Envici.colorswipe

Color Swipe - Game Development using Unity3D

An E-Commerce website to sell nutrients, vitamins and fitness accessories. The website was designed using CSS, HTML. The website contained CCAvenue as the payment gateway, There were over 200 products from 50 different brands.

Nutribay.in Website PHP,CSS,HTML

The application uses Google APIs to find nearby utilities such as banks, petrol umps, ATMs, with fully functional UI. The app was designed using Android Studio after a course of Android Advanced.

Shivam Batra

Senior Software Engineer at Ula