View Case Study
Enterprise
Enterprise Client NDA
Doulado
Practice management for professional doulas
FlutterRiverpodDioFreezed+2
I'm Adonias Hibeste
Transforming complex business requirements into elegant, high-performance mobile applications with Swift, React Native & Flutter.
★★★★★
5.0"Outstanding Mobile Developer. Highly Exceeded All Expectations. Highly Recommended!"
Client Review From Upwork
My Expertise
Flutter
93%
React Native
90%
Swift/iOS
88%
Who Am I ?
Building Mobile Excellence from Concept to Launch
As a Senior Mobile Developer, I transform complex business requirements into elegant, high-performance mobile applications. With deep expertise in Swift/SwiftUI, React Native/Expo, and Flutter, I deliver full-cycle iOS and cross-platform solutions — from Figma design to App Store publication. Published the Sefere app on the Apple App Store.
💡My Approach
I believe great mobile apps are born from the intersection of technical excellence and user-centric design. From wireframing custom UI/UX to architecting scalable backends, I own the entire product lifecycle. This holistic approach ensures every line of code serves both the business goals and the end user's needs.
⚙️
Architecture & Performance
Expert in state management (BLoC, Riverpod, Redux, MobX), performance profiling, and building scalable architectures that ensure blazing-fast user experiences.
✨
Pixel-Perfect UI/UX
Translating complex wireframes and custom designs into flawless, responsive mobile interfaces that users love. Every pixel matters.
🔗
Complex Integrations
Proven track record in e-commerce (payment gateways, checkout flows), real-time systems (chat, live location), and health apps (HealthKit, Google Fit).
🎯What Sets Me Apart
- ▸End-to-End Ownership: From initial wireframes to production deployment, I manage the complete development lifecycle with precision.
- ▸Business-Driven Solutions: Every technical decision is aligned with your business objectives and user needs.
- ▸Specialized Expertise: Deep experience in health & wellness apps, e-commerce platforms, and real-time communication systems.
- ▸Quality at Speed: Delivering polished, high-performing applications quickly without compromising on code quality or user experience.
Ready to transform your mobile app vision into reality?
VIEW MY WORKMy Tech Stack
The tools and technologies I use to build world-class mobile applications
Flutter
React Native
swift
Firebase
Node.js
Next.js
PostgreSQL
MySQL
Javascript
Figma
Git
Mobile App Bug Fix
Dart
aws
Websocket
SwiftUI
Expo
TypeScript
EAS / TestFlight
Core Data
Stripe
Supabase
Cursor AI
Claude Code
Cross-Platform Responsive
Building apps that work flawlessly across all devices and screen sizes
Mobile
Optimized for phones
Tablet
Perfect for tablets
Desktop
Scales beautifully
4+
Years Experience
15+
Technologies
100%
Client Satisfaction
Enterprise Client
Work
Production applications built for real clients — from enterprise practice management to social platforms serving thousands of users.
View Case Study
Enterprise
Enterprise Client NDA
Sefere Social
Social network for the Habeshan diaspora
FlutterFirebase SuiteProviderRxDart+1
View Case Study
Enterprise
Enterprise Client NDA
Hababond Dating App
Premium dating app for the Ethiopian community
FlutterFirebaseBLoC 9WebRTC+2
View Case Study
Enterprise
Enterprise Client NDA
Hababond Social
Full-featured social media & marketplace
FlutterGoogle FontsFlutter SVG
View Case Study
Enterprise
Enterprise Client NDA
Sefere Web Portal
Multi-role community management platform
Next.js 16React 19FirebaseTailwindCSS 4+1
View Case Study
Enterprise
Enterprise Client NDA
Sefere Theme Studio
Visual theme editor & design system
Next.js 16React 19TypeScript 5TailwindCSS 4+1
Passion
Projects
Self-initiated builds — exploring new stacks, solving fun problems, and keeping the craft sharp.
Velo — Multi-Currency Digital Wallet
A production-grade digital wallet and cryptocurrency simulator. Features biometric security locks, real-time balance history charts, dynamic exchange rates, instant peer-to-peer transfers, and a simulated trading engine. Built with React Native, Expo, Zustand state management, and custom animated UI components.
React NativeExpoTypeScript
View Case Study
Secure VPN
A premium, high-performance VPN application featuring a minimalist dark-theme UI, one-tap secure connectivity, and real-time speed monitoring. Built with Flutter and Riverpod.
FlutterRiverpodLucide Icons
View Case Study
Swift Calendar
A professional iOS-style calendar and scheduling app built with Flutter. Features a clean Cupertino design, intuitive event management, and smooth animations.
FlutterCupertino UIDart
View Case Study
Gymflow — AI Workout Coach
A high-performance AI-powered personalized workout planner and fitness coach. Features real-time workout tracking, physiological sensor simulation, an interactive AI fitness coach chat, and visual historical progress charts. Built with React Native, Expo, Zustand state management, and custom vector UI elements.
React NativeExpoTypeScript
View Case Study
Dating App
A modern, high-fidelity dating application built with React Native. Features a sophisticated Cyber-Amber UI, swipe-to-match architecture, and premium animations.
React NativeExpoReanimated 3
View Case Study
Urban Taxi
A high-fidelity ride-hailing application with a professional black and yellow theme. Features real-time map integration, ride selection, and fare estimation.
FlutterGoogle MapsRiverpod
View Case Study
Social Media App
A vibrant social networking application with a clean, modern UI. Features story bubbles, a rich media feed, and high-performance interactive components.
FlutterRiverpodCached Image
View Case Study
Ecommerce App
A premium e-commerce marketplace featuring a minimalist 'Apple Store' aesthetic. Optimized for product discovery with a high-end black and gold theme.
FlutterRiverpodE-commerce
View Case Study
Express Delivery
A fresh and energetic food/logistics delivery application. Features location-aware restaurant discovery, trending deals, and real-time order tracking UI.
FlutterRiverpodDelivery UI
View Case Study
Meditrack Pro
AI-driven healthcare companion for vitals tracking and symptom analysis. Built with Flutter and BLoC for high-performance medical data management.
FlutterBLoCFirebase
View Case Study
SwiftUI Chat
A real-time messaging application with end-to-end encryption. Features premium iOS aesthetics, blur effects, and high-performance socket integration.
SwiftUICombineCryptoKit
View Case Study
FinanceFlow
A personal finance and expense tracking application with biometric security. Features interactive data visualization and Core Data persistence.
SwiftUISwift ChartsCore Data
View Case Study
Slate
A native Android smart notebook application built with Kotlin and Jetpack Compose. Designed with a premium midnight-carbon theme with neon gold-orange and cobalt accents. Features an interactive custom Canvas-drawn note mind map graph with drag-and-drop gesture physics, an automated speech-to-text dictation voice recorder with live transcribing streams and waveform visualizers, and a dual-tabbed AI assistant featuring custom summaries, task extractions, and an interactive simulated copilot chatbot playground.
KotlinJetpack ComposeMaterial 3
View Case Study
Bite
An enterprise-grade multivendor food delivery platform showcase application. Features synchronized role-based modules for Client, Vendor, Driver, and Manager portals, integrated with simulated GPS telemetry, real-time status transitions, and robust BI dashboards. Built with a premium beU-inspired neon green and charcoal theme.
React NativeExpoTypeScript
View Case Study
Acre - Real Estate Showcase
A premium React Native & Expo real estate marketplace application showcasing enterprise-grade property browsing, search, and discovery capabilities. Features immersive property galleries, interactive category filtering, and a professional Executive Slate & Sapphire design language. **Highlights:** Premium Executive Sapphire UI • Cross-platform iOS & Android optimization • Complex nested navigation
React NativeExpoTypeScript
View Case Study
Football Club Manager
A comprehensive football club member management system with blog publishing, event scheduling, e-commerce merchandise store, monthly payment processing, and personalized member profiles. Built with Flutter and Firebase for high-performance sports management.
FlutterDartFirebase
View Case Study
Bite — Multivendor Delivery Suite
An enterprise-grade multivendor food delivery platform showcase application. Features synchronized role-based modules for Client, Vendor, Driver, and Manager portals, integrated with simulated GPS telemetry, real-time status transitions, and robust BI dashboards. Built with a premium beU-inspired neon green and charcoal theme.
React NativeExpoTypeScript
View Case Study
Slate — AI Smart Notebook
A native Android smart notebook with AI copilot chat, interactive mind map graph, voice recorder with live waveform visualizer, and custom Canvas analytics charts. Built with Kotlin and Jetpack Compose.
KotlinJetpack ComposeMaterial 3
View Case Study
Velo — Multi-Currency Digital Wallet
A production-grade digital wallet and cryptocurrency simulator. Features biometric security locks, real-time balance history charts, dynamic exchange rates, instant peer-to-peer transfers, and a simulated trading engine. Built with React Native, Expo, Zustand state management, and custom animated UI components.
React NativeExpoTypeScript
View Case Study
Secure VPN
A premium, high-performance VPN application featuring a minimalist dark-theme UI, one-tap secure connectivity, and real-time speed monitoring. Built with Flutter and Riverpod.
FlutterRiverpodLucide Icons
View Case Study
Swift Calendar
A professional iOS-style calendar and scheduling app built with Flutter. Features a clean Cupertino design, intuitive event management, and smooth animations.
FlutterCupertino UIDart
View Case Study
Gymflow — AI Workout Coach
A high-performance AI-powered personalized workout planner and fitness coach. Features real-time workout tracking, physiological sensor simulation, an interactive AI fitness coach chat, and visual historical progress charts. Built with React Native, Expo, Zustand state management, and custom vector UI elements.
React NativeExpoTypeScript
View Case Study
Dating App
A modern, high-fidelity dating application built with React Native. Features a sophisticated Cyber-Amber UI, swipe-to-match architecture, and premium animations.
React NativeExpoReanimated 3
View Case Study
Urban Taxi
A high-fidelity ride-hailing application with a professional black and yellow theme. Features real-time map integration, ride selection, and fare estimation.
FlutterGoogle MapsRiverpod
View Case Study
Social Media App
A vibrant social networking application with a clean, modern UI. Features story bubbles, a rich media feed, and high-performance interactive components.
FlutterRiverpodCached Image
View Case Study
Ecommerce App
A premium e-commerce marketplace featuring a minimalist 'Apple Store' aesthetic. Optimized for product discovery with a high-end black and gold theme.
FlutterRiverpodE-commerce
View Case Study
Express Delivery
A fresh and energetic food/logistics delivery application. Features location-aware restaurant discovery, trending deals, and real-time order tracking UI.
FlutterRiverpodDelivery UI
View Case Study
Meditrack Pro
AI-driven healthcare companion for vitals tracking and symptom analysis. Built with Flutter and BLoC for high-performance medical data management.
FlutterBLoCFirebase
View Case Study
SwiftUI Chat
A real-time messaging application with end-to-end encryption. Features premium iOS aesthetics, blur effects, and high-performance socket integration.
SwiftUICombineCryptoKit
View Case Study
FinanceFlow
A personal finance and expense tracking application with biometric security. Features interactive data visualization and Core Data persistence.
SwiftUISwift ChartsCore Data
View Case Study
Slate
A native Android smart notebook application built with Kotlin and Jetpack Compose. Designed with a premium midnight-carbon theme with neon gold-orange and cobalt accents. Features an interactive custom Canvas-drawn note mind map graph with drag-and-drop gesture physics, an automated speech-to-text dictation voice recorder with live transcribing streams and waveform visualizers, and a dual-tabbed AI assistant featuring custom summaries, task extractions, and an interactive simulated copilot chatbot playground.
KotlinJetpack ComposeMaterial 3
View Case Study
Bite
An enterprise-grade multivendor food delivery platform showcase application. Features synchronized role-based modules for Client, Vendor, Driver, and Manager portals, integrated with simulated GPS telemetry, real-time status transitions, and robust BI dashboards. Built with a premium beU-inspired neon green and charcoal theme.
React NativeExpoTypeScript
View Case Study
Acre - Real Estate Showcase
A premium React Native & Expo real estate marketplace application showcasing enterprise-grade property browsing, search, and discovery capabilities. Features immersive property galleries, interactive category filtering, and a professional Executive Slate & Sapphire design language. **Highlights:** Premium Executive Sapphire UI • Cross-platform iOS & Android optimization • Complex nested navigation
React NativeExpoTypeScript
View Case Study
Football Club Manager
A comprehensive football club member management system with blog publishing, event scheduling, e-commerce merchandise store, monthly payment processing, and personalized member profiles. Built with Flutter and Firebase for high-performance sports management.
FlutterDartFirebase
View Case Study
Bite — Multivendor Delivery Suite
An enterprise-grade multivendor food delivery platform showcase application. Features synchronized role-based modules for Client, Vendor, Driver, and Manager portals, integrated with simulated GPS telemetry, real-time status transitions, and robust BI dashboards. Built with a premium beU-inspired neon green and charcoal theme.
React NativeExpoTypeScript
View Case Study
Slate — AI Smart Notebook
A native Android smart notebook with AI copilot chat, interactive mind map graph, voice recorder with live waveform visualizer, and custom Canvas analytics charts. Built with Kotlin and Jetpack Compose.
KotlinJetpack ComposeMaterial 3
View Case Study
Hover or drag to pause auto-scroll · Click for Case Study