Case Studies

• Development of an Electronic Cash Register based application for retail and hospitality industries
• Development of a Fraud Management System that could combat the direct costs of fraudulent transactions and reduce the occurrence of chargeback.
• Porting of Financial Applications into new generation terminals of one of the largest Global providers of electronic payment solutions at point-of-transaction
• Firmware development for global market leader in Contactless Payments
• Mobile Payment work for global provider of mobile payment services
• EMV compliant POS solution for Saudi based Client

Development of an Electronic Cash Register based application for retail, hotel and restaurant industries

A privately held company, it develops, markets and delivers product & service solutions to small businesses and consumers using traditional and Web-based (ASP) technologies.

The client was looking at increasing the reach of their product into the retail market. In order to achieve this, the client approached Tarang with the following challenges:

• Gift / Loyalty Application for Valutec Card Solution
• Credit/ Debit Card Application for FDMS – Omaha
• Check Application for Cross Check

Tarang designed, developed and implemented three applications for the client on their Electronic Cash Registers (ECR) using Embedded C on the proprietary Software Development Kit (SDK). All the applications are independent.

• To build ECR application for retail, hotel and restaurant industries
• Testing the ECR hardware

Development of a Fraud Management System that could combat the direct costs of fraudulent transactions and reduce the occurrence of chargeback.

The client is a US based premier provider of turnkey e-commerce solutions for leading businesses around the world.

The client wanted its customers to benefit from the most advanced fraud prevention measures to combat the direct costs of fraudulent transactions and reduce the occurrence of chargebacks.

Tarang designed, developed and implemented the Fraud Scoring System (FSS). The system consists of two modular components: one housing negative database and velocity checks and a fraud scoring module, comprised of history and geography tests, that assigns a 'grade' to transactions.

The automated, dependable Fraud Scoring System (FSS) performs customer profiling to identify good and bad transactions.

The system applies advanced scrubbing techniques to detect potential fraud and can be activated for front-end decisioning, back-end scrubs, or be turned off altogether. This highly adaptable system will be merchant configurable, allowing merchants maintain full control over their risk tolerance and final acceptance or rejection of an order and provide robust real time reporting functions.

Porting of Financial Applications into new generation terminals of one of the largest Global providers of electronic payment solutions at point-of-transaction

Client is one of the largest global providers of electronic payment solutions and value-added services at the point-of-transaction. It is the only company in its industry to provide complete, end-to-end high security payment solutions. These solutions range from countertop and mobile credit/debit payment terminals to network devices and services that expedite the fast and secure transmission of vital financial and business data.

Client had manufactured new generation terminals named T4100 and T42xx. They were looking for an Offshore Partner, who would help them launch the terminals globally in a short span of time with some of their client applications ported to new terminals. Tarang was chosen to work with the Client’s partners in the Global market to rewrite and develop the applications based on their respective business needs.

An ODC model was followed for this project and the team worked on the following:

• Migrating the legacy application and porting in to new terminals, for global applications
• Rewriting the application and development of new applications
• Modem mode porting and integrating with POS applications
• Porting Financial applications from T2100 to T4100 for Global Market
• Porting Financial applications from T4100 to T4200 for Global Market
• Reverse engineering of existing Z80 application and developing on T4200
• Developing new application for Global Market for T4100 and T42xx terminals
• Complete testing for all applications to prepare for Certification
• Porting of EMV applications
• Integration of T4100 payment application with Contactless Readers from global leader
• Reverse engineering of T7 terminal applications

A team of 20 developers worked on around 30 projects related to various types of applications like Credit / Debit , Loyalty , Gift , Redemption Points , Mobile Top Up, Generic Sale , EMV Transaction etc.

Firmware development for global market leader in Contactless Payments

Client is a market leader in contactless/NFC payment software, over the air (OTA) card provisioning, promotion, and transaction management infrastructure software, NFC smart posters, and contactless readers/writers.

Client was seeking a partner for firmware development on their mobile phones and contactless POS. Tarang was chosen to work on micro controller embedded systems, drivers, libraries etc. Tarang worked on embedded projects to develop contactless readers and provided support to all the client’s customers, who required these readers.

An offshore development centre was set up where the team worked on firmware development and POS applications. The team had worked on Readers VP 4500, VP 5000 doing enhancements and bug fixes and has been working on building next generation Reader VP 6500 and application maintenance on OMNI 3750 POS terminal.

Mobile Payment work for global provider of mobile payment services

Client is the first comprehensive mobile payment service provider in the United States that allows anyone to instantly get, send and spend money anywhere, anytime with anyone.

Client had tied-up with many banks, mobile device manufacturers and air service providers in India to take their mobile payment services to the market. Client supported business transactions like Get Money, Send Money, Get Balance, Get History, Mobile Top up and Bill Payment etc for their customers. Client was looking for a partner who could develop superior mobile payment applications to support the above.

Tarang team working onsite provided the following solutions:

• Mobile client integration on J2ME, BREW, IVR, SMS and SMS/ IVR channels
• Implementation and maintenance of the client server which caters to various modules like, fraud engine, incentives and awards engine, fee engine, velocity check, sign on, invite friends, schedulers and business transaction modules likes Get Money, Send Money, Get Balance, Get History, Mobile Top up and Pay bills
• Implementation of connector integration for Efunds and FSS switches and HSM integration
• Database server implementation and maintenance
• Disaster recovery solution for the product
• Facilitated PCI Compliance for mobile payment applications

EMV compliant POS solution for Saudi based Client

Client is a specialized provider of POS solutions and customized electronic banking solutions in Saudi Arabia. It was the first to introduce state-of-the-art electronic banking systems with locally designed software and sub systems and Smart Cards in Saudi.

Client wanted to develop and certify a point-of-sale payment application which complied with EMV specification as it was mandatory in Saudi Arabia. Tarang was a preferred partner because of its deep understanding of the POS & Payments domain.

Tarang worked with the client to develop and certify SPAN II application on MagIC terminal. SPAN II is the latest specification for implementing EMV Level II in Saudi Arabia and it is mandatory for any payment application on POS/ATM to comply with this specification. EMV is the Europay Mastercard Visa Integrated Chip Card Standard to ensure secure POS payment transactions.