Pavlo Sidelov

Pavlo Sidelov, Ph.D., is the founder and CTO of SDK.finance, as well as the company’s key technology ideologist and solution architect. With more than two decades of experience in digital payments, banking technology and financial software development, he has designed complex payment architectures, high-load transaction processing systems and the core infrastructure behind multiple FinTech products. At SDK.finance, Pavlo leads the platform’s technical vision and architectural development. His expertise covers payment systems, digital banking infrastructure, transaction processing, ledger architecture, API-driven platforms, cloud technologies, blockchain and the application of artificial intelligence and machine learning to fraud prevention and financial anomaly detection. Pavlo is the author of The World of Digital Payments: Practical Course (FinTech) and The World of Digital Banking. His work on digital payments is referenced in professional and academic programmes, and he is named as an inventor in several patents related to payment technologies and payment methods. He is a former member of the Forbes Technology Council and has served on the Banking Tech Awards judging panel, evaluating innovations in banking technology, digital payments and financial services. Pavlo is also a regular speaker at global and European FinTech events, where he shares practical insights into financial software architecture, payment infrastructure and the challenges of building scalable banking products. Beyond his work at SDK.finance, Pavlo has contributed his expertise as an independent consultant to the OSCE on financial and cybercrime topics. He has also mentored FinTech founders and technology teams through AIFC FinTech HUB and GrowthUP accelerators and supports collaboration with universities and business schools. In his articles for SDK.finance, Pavlo writes about payment architecture, digital banking platforms, real-time ledgers, transaction processing, open banking, fraud prevention, AI in financial services and the engineering decisions behind secure and scalable FinTech products. His work helps technology leaders understand how to design financial systems that remain reliable under real-world transaction volumes, integration failures and changing business requirements.