Oleh Shmyhelskyi
Java Developer
Oleh Shmyhelskyi is a Java Developer at dotcode, focused on backend development and building scalable server-side applications. His work spans API design, database integration, and keeping production systems reliable as they grow.
On the blog, Oleh shares practical insights on Java development, software architecture, and engineering practices that hold up in real projects.
Recent blog posts
Explore our blog for expert insights - tech trends, best practices, and many more
Open Banking API Integration
Open Banking API Integration: Best Practices Guide
Open banking API integration guide - how it works, PSD2 and standards, authentication and security, integration steps, and best practices.
Digital Banking Platform Architecture
Digital Banking Platform Architecture: What You Need to Know
Digital banking platform architecture explained - core components, microservices and API layers, cloud-native design, tech stack, and security.
Banking App Development Guide
Banking App Development: A Step-by-Step Guide
Banking app development guide covering the build process step by step, cost by project scope, must-have features, security requirements, and tech stack.