Tushar Budhe

Project: Sam's Scan & Go.

This system is a type of mobile self-checkout that allows shoppers to scan and pay for their items using their smartphones.

• Implemented and maintained scalable, high-performance software systems using Kafka, Cache, Node.js, TypeScript, GCP, Azure, etc.
• Performance improvement, Scan & Go fuel connectivity with the pumps. Which connects from Scan & Go to the fuel pump with an average of 1.5 sec/transaction.
• Create fuel pump simulators, as fuel pumps are expensive. Making ready for stress testing. Integrating payment gateways for pre-auth fuel checkouts.
• Migrated from WebSocket to GCP notifications for fuel messaging to enable asynchronous communication. Previously, after pre-auth for fuel checkouts, members would close the app, leading to an increase in 500 status codes. The new approach improves reliability and reduces errors.
• Performance improvement on the patch checkout module to use existing purchase contracts over creating new purchase contracts with payment gateways.
• Create a SOAP API for better and secure connections over TCP protocols, which integrates with payment gateways, and has made modifications to the POS (Points of Sale) system that reduce fraud by 30%.
• Developed a product recommendation service leveraging AI and ML, with models trained using frameworks such as TensorFlow, PyTorch, Scikit-learn, Pandas, and NumPy, to deliver personalized suggestions.
• Developed an AI- and ML-driven catalog management system for Sam’s Club, utilizing both supervised and unsupervised learning techniques on existing catalogs to automate and optimize inventory updates.

Projects: Digital X-Change, Investments, Crypto Market.

This project allows stockholders to buy and sell the stocks and cryptocurrency.

• Executed analysis, design, implementation, and testing of secured microservices using JavaScript stack.
• Deployed applications on Azure and AWS, utilizing Apache load balancer to enhance performance.
• Facilitated SSO integration for LDAP/AD users through OAuth, SAML, and OpenID Connect.
• Streamlined build automation with VSTS CI/CD and Jenkins, incorporating Docker and Kubernetes.
• Conducted comprehensive unit, automation, and end-to-end testing using Jasmine, Mocha, and Cypress frameworks.
• Engineered blockchain development and Solidity software for buying cryptocurrency using DeFi and Chainlinks.
• Implemented socket.io for message broadcasting and WebSocket for proxy module solutions.
• Developed RESTful and SOAP-based NodeJS web services for seamless operational interfacing.

Projects: OGS (One Global System), GMS (Global Management System), and SSO (Single Sign-On)

It's a core audit application for Ernst & Young partners' engagements to file taxes through EY. It's supporting operations in 40 countries across seven languages.

• Designed Global Management System (GMS) as an admin portal for EY engagement partners.
• Enabled employee onboarding via SSO integration and GMS tech stack utilizing C# ASP.NET and SQL Server.
• Implemented Standard Business Rules (SBR) feature using C#.NET Windows Application for uploading CSV files related to tax filing and auditing.
• Enhanced web application efficiency, One Global System (OGS), by leveraging advanced C# ASP.NET features such as async-await and multi-threading.
• Engineered SQL database, establishing relationships among tables with constraints, stored procedures, views, and SSRS report integration.
• Migrated binary data from database to file systems using WCF service over TCP protocol, improving database backup speed.
• Utilized XML and XSLT to generate XHTML, significantly boosting web page performance.