Vinay Kumar Dudala

Full-stack Developer @UST

Bellevue, WA, US

Client: Costco WholesaleProject: PaymentHub CapabilitiesWe are developing a new digital wallet for Costco. The project encompasses the following key components:Fiserv Payment Gateway Connectivity: Integrating with payment services, prepaid card services, authentication, customer services, and security services.Digital Wallet Development: Implementing integrations with Fiserv uCom and Cybersource payment gateways.Secure Payment Card Collection API: Creating an API to initiate all payments with Fiserv.Microservices API Development: Building APIs to connect with Fiserv uCom, utilizing digital payment, card collection, tokenization, multi-reload, refund, and void operations, as well as Cybersource payment gateways (capture, payment types, and card details).Token-Based Authentication and Payment Tokenization: Developing an application for payment transactions and maintaining transaction history.Wallet Integrations: Integrating wallet payments, rewards, and gift cards with POS systems for various categories (fuel, tires, gold, etc.) in wholesale Costco payments.Costco Membership Integration: Ensuring seamless integration of membership functionalities.API-Based Architecture: Developing a complete API-based architecture to connect upstream and downstream applications for data integrity.Data Storage: Utilizing Azure Cosmos DB with a container-based document format for data retrieval.Code Repositories: Managing code repositories in Git, Azure DevOps, and implementing Azure Functions, storage, triggers, etc, for deployment in Azure services.Tech Stack:Programming Language: Visual Studio.NET 8.0, C#Database: Azure Cosmos DBFrameworks: Fiserv SDK, Microservices, Web API, Linq, EF Core etc,Development Tools: Azure DevOps, Azure Functions, Web Jobs, Azure Portals

Jawaharlal Nehru Technological University

Bachelor’s Degree, Electrical and Electronics Engineering