Secure Geo-Validated Fintech SDKs

Goal

Simplify and secure financial transactions, including deposits, withdrawals, and wallet operations, while ensuring regulatory compliance through geolocation and device validations.

Solutions

• Lead a small team of developers focused on building SDKs for a Series A funded US-based payment platform with 3 paying customers and a growing user base.
• Developed client-side SDKs tailored for various platforms, including React, React Native, Pure JS, and Flutter and iOS Native.
• Created miscellaneous backend services on Express.js and Next.js, deployed as a Docker container.
• Setup a CI/CD processes for all services with scripts using GitHub Actions and Fastlane.
• Built CI/CD pipelines for smooth releases.
• Integrated a custom OAuth implemenatation of embedded SDKs for third party authentication.
• Created reference apps and maintained multi platform integration documents for ease of implementation.
• Enhanced monitoring and debugging via Sentry and GCP.

Impact

• Onboarded six major clients, demonstrating the reliability of SDKs.
• Achieved secure and compliant payment processes.

This project demonstrated expertise in SDKs, UI/UX, backend services, and scalable development solutions.