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James Berry
@james_berrys
Mobile app developer
United States
English, French, Spanish, German
About me
I’m James Berry, a mobile and web app developer specializing in taxi booking apps, courier delivery apps, and ridesharing platforms. I build secure, scalable solutions for Android, iOS, and Web using Flutter and Firebase.
My apps include essential features such as real-time GPS tracking, payment gateway integration, admin dashboards, and driver-user systems. I help businesses launch reliable on-demand service applications designed for performance, usability, and growth.
I focus on clear communication, quality development, and delivering solutions that meet real business needs.
Skills
James Berry
Offline •
Average response time: 1 hour
See my services
Setup & Installation
I will develop a live streaming, video streaming or ott mobile app for ios and android
Cross-Platform Development
I will create mobile app development taxi booking app, courier delivery ridesharing app
Portfolio
Work experience
App Performance Optimization & Deployment Specialist
Freelancing Career • Freelance
Jul 2025 - Present • 10 mos
Optimized mobile apps for speed, responsiveness, and stability while preparing them for production deployment. Managed app testing, debugging, and deployment processes for both Google Play Store and Apple App Store.
MVP App Developer for Startups
Freelancer.com • Freelance
Dec 2024 - Present • 1 yr 5 mos
Built Minimum Viable Products (MVPs) for early-stage startups, helping founders validate ideas quickly and launch within tight timelines. Delivered core features, intuitive UI, and scalable backend integration to support future growth and iterations.
UI/UX-Focused App Developer
App • Freelance
Apr 2024 - Present • 2 yrs 1 mo
Created visually appealing and user-centric mobile applications with a strong focus on UI/UX design. Translated design concepts into smooth, interactive interfaces that improve user engagement and retention.
