Mobile Developer at Teamway, Copenhagen, Denmark

Freelance mobile software engineer for various clients and roles. Developed high-quality Android native (Kotlin/Java) and cross-platform iOS applications using Flutter and React Native.

React Native Developer (Hybrid) at Quatrix Global, Nairobi, Kenya

Rebuilt an outdated delivery app that utilized geolocation, polylines, and notifications to alert riders and track orders from start to finish. Implemented a notification system to ensure the application received updates both in foreground and background. Redesigned the UI to be modern, user-friendly, and visually appealing. Improved order delivery rates and rider/driver confidence in the product. Monitored, tested, debugged, and issued timely fixes.

Lead App Developer at Directcore Technologies, Nairobi, Kenya

Oversaw development and maintenance of a mobile money application, Instacash. Implemented a custom translation engine to support Siswati and English translations from the backend with sync features to keep translations updated. Supervised other developers ensuring code quality and compliance with best practices and company regulations. Ran tests to maintain high-quality deliverables.

Android Developer at UbaPesa Limited, Nairobi, Kenya

Maintained the UbaPesa Android application, a fully automated peer-to-peer lending platform. Utilized ObjectBox NoSQL database to store and process incoming SMS data, sending messages to the backend with scheduled tasks. Built an in-house credit scoring engine based on SMS data, saving the company significant costs by replacing unreliable third-party credit scoring due to local regulations.

App Review Specialist (Consultant) at WS Insight LTD, Nairobi, Kenya

Reviewed a cross-platform Android and iOS mobile application to assess security, code quality, and implemented features against requirements. Provided recommendations for improvements and fixes. Based on team state and feature gaps, recommended project cancellation to avoid further sunk costs. The project was subsequently abandoned.

Mobile Developer at Teamway

Remote mobile development for clients; built Android native (Kotlin/Jetpack) and iOS apps; cross-platform mobile applications using Flutter and React Native.

React Native Developer at Quatrix Global

Developed React Native apps for multiple clients; hybrid mobile development; delivered features including geolocation and map pin mapping; improved app performance and user experience.

Android Developer at UBA Pesa Limited

Maintained and enhanced the UbaPesa Android app; increased crash-free user experience; implemented in-house credits scoring engine using NoSQL (ObjectBox); integrated SMS data storage and offline capabilities.

App Review Specialist (Consultant) at WS Insight Ltd

Conducted cross-platform mobile app reviews, evaluated security and code quality, and recommended improvements; communicated issues to senior leadership to avoid costly failures.

Android & iOS Developer at SILQU

Developed Android & iOS app for a Kenyan firm (SILQU) focused on advanced property management; integrated REST APIs for income/expense tracking, due bills, alerts, and organizational updates.

Mobile Developer at Napp Mobile

Remote/mobile developer focusing on React Native; contributed to mobile applications.

Mobile Developer (Remote) at Team Way

Freelance mobile software engineer for Team Way.io with responsibilities across clients and roles. Developed high-quality Android native (Kotlin/Java) apps and iOS apps using Flutter and React Native.

React Native Developer (Hybrid) at Quatrix Global

Modernized outdated delivery app functionality with React Native; integrated precise geolocation and map pinning; reduced rider navigation errors by 20% and distance traveled by 75 meters per trip; built a robust notification system; redesigned UI; improved order delivery and rider confidence.

Android Developer at UBA Pesa Limited

Maintained the UbaPesa Android app; increased crash-free user rate from 68% to 99%; implemented an in-house SMS data storage using ObjectBox; built a credit scoring engine; reduced costs by replacing third-party credit score provider.

App Reviewer Specialist (Consultant) at WS Insight Ltd

Reviewed cross-platform Android and iOS app InsightIsecure; assessed security, code quality, and feature implementation; recommended fixes; advised leadership to halt failing cross-platform mobile development to avoid sunk costs of $110k.

Mobile Software Engineer at Teamway.io

Freelance mobile software engineer delivering Android/iOS solutions for various clients; React Native and native Android work.

React Native Developer at Quatrix Global

Developed cross-platform mobile apps using React Native; Hybrid work arrangement.

Android Developer at UbaPesa Limited

Maintained the Android app for a fully automated peer-to-peer lending platform; improved fraud prevention, credit scoring, and local data storage; led app development and mentored peers.

Lead App Developer at InstaCash

Led end-to-end development and maintenance of InstaCash, a mobile money application. Modernized the app using React Native and native Android (Kotlin) components, integrated precise geolocation and map pin features, reduced rider navigation errors by 20% and trimmed average trip distance by 75 meters. Implemented a custom notification system to keep ground and back-end order updates synchronized, increasing user adoption by 28%. Supervised other developers, improving code quality and raising test coverage from 4% to 65%. Recreated the UI into a modern, intuitive design, resulting in 19% higher engagement time. Monitored, tested and debugged the app to deliver timely fixes.

App Review Specialist (Consultant) at Insight Isecure Ltd

Led cross-platform Android and iOS app review for Insight iSecure, which had fallen behind schedule. Assessed security, code quality and implemented state-of-the-art feature improvements. Proposed fixes and best practices to accelerate delivery.