Portfolio


Revolutionizing Check Payments: MobilePay by Certegy Project Overview

React Native Mobile App

Certegy Mobile App Store download screen

In today’s fast-paced world, the convenience of mobile transactions is indispensable. Recognizing this need, I was tasked with developing a standout solution for check payments – the MobilePay app by Certegy. This project was an exhilarating journey to enhance financial transactions by leveraging cutting-edge technology. Below, I detail the innovative features and seamless user experience that MobilePay offers, setting a new standard in the industry.


Mastering Gradual Rollouts - A Guide for Mobile Developer

React Native Mobile App

Champion Energy Mobile App Store download screen

Gradual rollout strategies differ significantly between the App Store and Google Play Store, each with its unique set of rules and capabilities. Android offers precise control over rollout percentages and regional distribution, while iOS automates distribution over a week, presenting challenges in user engagement prediction. Through phased releases on iOS and staged rollouts on Android, we've successfully managed app updates, ensuring smooth transitions and maintaining high user satisfaction.

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Empowering the Energy Sector with Real-time Market Insights

SwiftUI Mobile and Apple Watch App

Mercuria Mobile App Store download screen

An in-depth case study showcasing the Mercuria MAP-C iOS app, a cutting-edge mobile application developed by Fred Siika for Mercuria Energy America LLC. This study highlights the app’s role in providing real-time data and analytics for power market hub prices across North America, its seamless user experience for iPhone and Apple Watch, and the significant impact on the energy trading industry, enhancing decision-making for energy professionals.

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