Summary
Biser Sirakov is a seasoned software leader and co-founder with 11 years of experience building scalable SaaS and fintech products, currently serving as Co-Founder & CTO of Ratestar, an AI marketing platform that converts customer feedback into measurable growth. He combines hands-on engineering and product strategy to align AI, automation, and growth marketing with robust SaaS architecture and go-to-market execution. Previously a senior engineer at Payhawk and a team lead at PXP Financial, he brings deep experience in payments, product-led growth, and data-driven decision making. Based in Sofia, Biser is known for leading cross-functional teams to ship production-grade systems and for turning reputation data into actionable business impact—an interest that drives his work beyond pure engineering into customer-centric growth.
11 years of coding experience
9 years of employment as a software developer
Bachelor's degree Computer Software Engineering, Bachelor's degree Computer Software Engineering at Sofia University St. Kliment Ohridski
Computer Software Engineering, Computer Software Engineering at Telerik Academy
School of Mathematics "Baba Tonka" Ruse
English, Bulgarian, Italian