Hire expert back end developers in the United States

"Daniel Koh was a pleasure to work with. As a senior engineer in Solana, he demonstrated deep expertise and professionalism. I highly recommend him and would gladly collaborate again."

"Cauê dos Santos Silva was great to work with. They really listened to my needs and all work was delivered on time."

"I had a good time working with this company."

"Great Work !!"

"Vladislav has effectively been acting as the CTO of qresentcards. From the very beginning, he understood the complexity of building a highly customized Shopify-based product with unique orders, QR-code logic, and a scalable print workflow. He works independently, thinks in systems rather than tasks, and consistently..."

"Vladislav has effectively been acting as the CTO of qresentcards. From the very beginning, he understood the complexity of building a highly customized Shopify-based product with unique orders, QR-code logic, and a scalable print workflow. He works independently, thinks in systems rather than tasks, and consistently delivers reliable, well-structured solutions. Communication has always been clear and professional, and he proactively shares progress and improvements without needing constant direction. I trust him fully with the technical backbone of the shop and would highly recommend him to anyone looking for a serious, responsible developer who can think long-term."

"Ioannis is a rare talent who combines deep technical mastery with a clear business mind. Having worked with him for over 12 years—from his early days at PaR to our collaboration on infotouch.gr—I’ve seen him evolve into a developer who can solve any complex challenge. He doesn't just write code; he builds scalable solutions..."

"Ioannis is a rare talent who combines deep technical mastery with a clear business mind. Having worked with him for over 12 years—from his early days at PaR to our collaboration on infotouch.gr—I’ve seen him evolve into a developer who can solve any complex challenge. He doesn't just write code; he builds scalable solutions that actually make sense for the client. He’s been a key partner in our success."