May 2020 – Present · 5 yrs 10 mos

• My Channel - https://www.youtube.com/@NareshGupta
• I create clear, step-by-step tutorials on Data Structures and Algorithms, helping viewers prepare for coding interviews and level up their problem-solving skills. Alongside these technical deep-dives, I share occasional travel vlogs to offer a fresh perspective and a bit of adventure. By blending hands-on coding demos with real-world examples—and a touch of wanderlust—I aim to make technical learning both accessible and enjoyable for aspiring and seasoned developers alike.

Apr 2019 – May 2021 · 2 yrs 1 mo · Bangkok Metropolitan Area

• vCard System
• Designed and Implemented vCard Application which is responsible for issuing the virtual credit card to the hotel for their bookings on Agoda.
• Integrated 3rd Party Card API, Just-In-Time Authorization for Payment Transactions Authorization.
• Enabled hotel partners to receive booking revenue more quickly, improving cash flow and operational flexibility.
• Agoda Pay
• Agoda pay is an app-based payment acceptance system provided by Agoda to partner hotels in order to accept Alipay payment outside china.
• Integrated with Adyen payment processor for accepting credit card transactions.

Mar 2018 – Apr 2019 · 1 yr 1 mo · Bengaluru Area, India

• Enterprise Business Center
• Enterprise Business Center is an application where merchants can configure and enable/disable various services. Merchants can view their transaction history and download reports.
• Developed Follow On feature for Resellers to enhance the Transaction Management Module.
• Developed One-time payment capability for Resellers to enhance the Virtual Terminal Module.
• Developed key management module.
• Merchant Management Service
• Merchant Management Service is a REST micro service which provides resellers merchant boarding API, update merchant information, processor information and merchant configuration.
• Developed evaluation merchant boarding REST API and integrated with notification rest service to send emails.
• Developed bulk upload REST API where resellers can board merchant csv and xml files.
• Integrated ZMQ, CNS, Grafana and built various dashboards for tracking the performance and metric.

Jul 2015 – Feb 2018 · 2 yrs 7 mos · Bengaluru Area, India

• Universal Management Portal
• Universal Management Portal is an application where internal admin can onboard resellers and create their users. Resellers can board merchants and configure settings for processors, products and risk controls.
• Developed Transaction Filter for Acquirer card/bin management, which would enable the resellers to block fraudulent cards and bin ranges. It has features to add, delete, bulk upload and exports the card/bin numbers. A card/bin can be blocked for 15 days from the date of adding it. These controls are enabled for a reseller at the FE risk control tab.
• Integrated Secure Acceptance (SA) product profile which is a multi-device enabled hosted/silent order solution that allows a merchant to easily and securely integrate CyberSource payment processing with their online checkout experience.
• Integrated Visa Checkout in Secure Acceptance payment types.
• Reconciliation Engine
• Reconciliation engine is responsible for downloading the files from the processor as per the scheduled calendar, validating the downloaded files, transforming it to a generic file format and upload the file to data platform servers for ingesting the file to reporting database.
• Worked on all the Init, Retrieval, Processing and Upload jobs

May 2013 – Jun 2013 · 1 mo · Guwahati Area, India

• Face Recognition
• Security and authentication of a person is a crucial part of any industry. There are many techniques used for this purpose. One of them is face recognition. Face recognition is an effective means of authenticating a person. There are several approaches to face recognition of which Principal Component Analysis have been incorporated in my project. Achieved 83-90% accuracy .