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A software development house that builds complex payment products with exceptional quality.

QaiWare was founded in 2011 in Sofia, Bulgaria. Since 2012, the company’s main
focus has been entirely on FinTech and developer tools, which represent the core
background of its founders.

We believe that in the 21st century, getting payments right is essential to
business success. Our mission is to make that possible by transforming payments
and payment integration into a commodity for every business. With over a decade
of experience in building custom payment products, we know how to tackle payment
challenges for all participants in the payment value chain.

Our team

Today, the company employs close to 50 engineers and consultants. Over the past 8 years, our teams have accumulated extensive domain and business knowledge. With more than 10 large projects delivered, we know how to solve payment problems for all participants in the payments value chain.


& Consultants


Large Projects


Payment Methods


Vassil Nikolov - CTO

Vassil NikolovCTO

Oleg Ivanov - COO

Oleg IvanovCoo

Emilian Stoilkov - CEO

Emilian StoilkovCEO

Aleksandar Yalnazov - CPO

Aleksandar YalnazovCPO