Faris Spica

Designed and delivered cross-platform web and mobile applications using React and React Native, each serving thousands of active users in production. Led frontend architecture for a Banking-as-a-Service (BaaS) platform, integrating complex financial APIs and workflows into reliable, user-friendly interfaces. Implemented performance optimizations (code splitting, memoization, API caching, lists virtualization, image optimization). Developed a modular multi-tenant Core Banking System for a BaaS platform, featuring dynamic UI rendering, RBAC, real-time notifications, and granular expenditure analytics for diverse client configurations. Applied security best practices for fintech applications, including secure authentication flows and sensitive data handling on the client side, integration with KYC SDKs, implemented COP payment flows. Established code review standards and frontend best practices, reducing regression bugs and improving maintainability. Mentored junior engineers.

Led Angular Engineer on a large telecommunications project, refactoring a substantial legacy codebase to improve performance, structure, and testability. Architected and implemented a configurable identity verification platform with dynamic user flows, improving both security compliance and user completion rates. Developed features for a high-traffic telecommunications web application using React and Redux, managing complex global state and asynchronous data flows. Delivered full-stack functionality using Angular and .NET, collaborating closely with backend engineers and product stakeholders. Actively mentored junior developers and contributed to internal frontend standards, helping build a high-performing engineering culture.

Built a complete cross-platform time-tracking system from scratch using React, Redux, and React Native, covering both web and mobile clients. Led frontend architecture for cross-platform applications, standardizing reusable components and improving delivery speed across teams.