YapStone has named technology and payments systems veteran Daniel Issen as its new chief technology officer.

Issen will head the online and mobile payments technology provider's engineering and product delivery teams in his new position, the company said in an April 13 press release. He will also architect the company's technology stack for its projected 45% growth in 2015.

Issen joins YapStone having mostly recently worked for Amazon Local Commerce, helping the e-commerce giant launch Amazon Local Register, a portable card reader similar to Square's main offering. He also served as engineering director of Google's payments platform and in senior technology and architect roles at adBrite, PayPal and eBay.

"With [Issen's] extensive experience in architecting and growing payments platforms at scale, our proprietary payment technology will continue to be our competitive advantage," said Tom Villante, YapStone's chairman, chief executive and co-founder, in the release.

Headquartered in both Walnut Creek and Santa Monica, Calif., YapStone annually processes over $14 billion in payments volume, the company says.

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