Visa Inc.

Visa Inc. (/ˈviːzə/ or /ˈviːsə/) (also known as Visa, stylized as VISA) is an American multinational financial services corporation headquartered in Foster City, California, United States. It facilitates electronic funds transfers throughout the world, most commonly through Visa-branded credit cards, gift cards, and debit cards. Visa does not issue cards, extend credit or set rates and fees for consumers; rather, Visa provides financial institutions with Visa-branded payment products that they then use to offer credit, debit, prepaid and cash-access programs to their customers. In 2015, the Ni ... lson Report, a publication that tracks the credit card industry, found that Visa's global network (known as VisaNet) processed 100 billion transactions during 2014 with a total volume of US$6.8 trillion. Visa has operations across all continents worldwide with the exception of Antarctica. Nearly all Visa transactions worldwide are processed through VisaNet at one of four secure facilities. The data centers are located in Ashburn, Virginia, Highlands Ranch, Colorado, London, and Singapore. The data centers are heavily secured against natural disasters, crime, and terrorism; can operate independently of each other and from external utilities if necessary; and can handle up to 30,000 simultaneous transactions and up to 100 billion computations every second. Every transaction is checked past 500 variables including 100 fraud-detection parameters—such as the location and spending habits of the customer and the merchant's location – before being accepted. More

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A software engineer is a person who applies the principles of software engineering to the design, development, maintenance, testing, and evaluation of computer software. Prior to the mid-1970s, software practitioners generally called themselves computer scientists, computer programmers or software developers, regardless of their actual jobs. Many people prefer to call themselves software developer and programmer, because most widely agree what these terms mean, while the exact meaning of software engineer is still being debated. view job details