WORKSHOP: DESIGNING HIGH-TRUST API SYSTEMS FOR FINANCIAL TRANSACTIONS - SECURITY, SPEED & SCALABILITY

In a world of AI-driven automation and cloud-native platforms, APIs are no longer just connectors, they are critical control points for trust, security, and performance. Whether you’re scaling intelligent automation or building decision systems, your API layer determines how far you can go.

Furthermore, behind every trusted financial interaction lies an invisible architecture of resilience - APIs that authenticate, encrypt, and orchestrate data at millisecond speed while navigating layers of regulation and risk. Designing these systems demands a delicate balance - ensuring uncompromising security without sacrificing speed, scalability, or user experience. Modern FinTech and enterprise architects are building “trust by design” into their API ecosystems - uniting engineering rigor, governance, and performance optimization to deliver secure, compliant, and future-ready financial experiences.

Topics of discussion will include, yet will not be limited to:

• Architecture patterns and security-first practices that enable both innovation and integrity
• Embed zero-trust security into API design
• Balance speed with compliance in FinTech microservices
• Avoid common performance bottlenecks in high-volume transactions
• Implement governance and observability for API reliability at scale

Sibasis Padhi, Staff Software Engineer, WALMART GLOBAL TECH