YoFio

Overview

Built consumer and merchant mobile apps for an early-stage fintech startup delivering digital credit and lending solutions. Owned the full mobile lifecycle from native module development to production releases.

Key Contributions

• Built and maintained consumer-facing mobile applications for an early-stage fintech startup delivering digital credit and lending solutions.
• Developed the primary customer mobile app using React Native and TypeScript, enabling loan requests, repayment flows, account visibility, and payment tracking.
• Designed and implemented a merchant-facing mobile application, sharing a common core codebase and reusable UI components to support multiple user roles efficiently.
• Built a web-based back-office administration panel using React, enabling internal teams to manage user properties, transactions, and operational workflows.
• Established and maintained a shared front-end architecture to support multiple applications while minimizing duplication and improving maintainability.
• Implemented and maintained native Android modules using Java and Kotlin to access device-level capabilities required for risk analysis and credit modeling.
• Integrated third-party platforms including Firebase, Twilio, Branch, Mixpanel, and Segment to support authentication, messaging, deep linking, analytics, and user behavior tracking.
• Implemented secure data collection and transmission workflows to a machine-learning backend hosted on Google Cloud Platform (GCP).
• Owned QA coordination, release preparation, and production deployments, managing submissions through App Store Connect and Google Play Console in a fast-paced startup environment.