Middle Backend Developer | Payment Systems Specialist
Middle Backend Developer with 3+ years of experience at OnePay JSC, specializing in electronic payment gateway systems. I architect and build high-performance microservices that process hundreds of thousands of transactions daily with 99.9% uptime.
My expertise lies in designing payment systems, refund mechanisms, and BNPL (Buy Now Pay Later) integrations with multiple banking partners. I bridge backend and frontend teams, optimize database performance, and create automation tools that save countless hours of manual work.
Proven track record in building production-grade payment systems at OnePay JSC. Specialized in designing refund mechanisms, BNPL integrations with multiple banks (KBank, HomeCredit, Amigo), and international payment gateways for BigMerchants.