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I build a complete RAG-powered customer support system using
Telegram, Supabase, Gemini AI, Cohere Model
AI and n8n automation.
My recent implementation achieved:
80% reduction in repetitive support inquiries
50-70% reduction in support operational costs
75-95% faster response times
3-5x increase in support team productivity
The solution includes:
Knowledge base from PDFs and SOPs
Vector search with Supabase
Voice, image, and text support
Human handoff capabilities
24/7 support availability
The network for creativity
Join 1.25M professional creatives like you
Connect with clients, get discovered, and run your business 100% commission-free
Creatives on Contra have earned over $150M and we are just getting started
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Clean work!
Kutuku | Cross-Platform E-Commerce Mobile App Concept
Built a modern cross-platform e-commerce mobile application with React Native and Expo, featuring seamless shopping, secure authentication, order tracking, and responsive user experiences for iOS and Android.
Project Type: Mobile Application (iOS & Android) Product Concept
Objective: Design and prototype a scalable, modern e-commerce application that simplifies product discovery, shopping, and order management while delivering a fast, intuitive mobile experience across Android and iOS.
Overview
Kutuku is a modern e-commerce mobile application designed to provide customers with a complete shopping experience from discovering products to securely placing orders and tracking deliveries in real time.
The project explores the complete customer journey from onboarding and product discovery to cart management, checkout, and order tracking while focusing on responsive layouts, reusable components, accessibility, and scalable application architecture.
This mobile app serves as a product engineering showcase, highlighting how I approach mobile application architecture, UI implementation, state management, navigation, and backend integration.
The Concept
Many mobile shopping apps become cluttered as new features are added, making navigation confusing and slowing down the shopping experience.
Kutuku explores a cleaner, mobile-first approach that prioritizes:
Simple product discovery
Fast navigation
Clear shopping flows
Consistent visual hierarchy
Scalable architecture
Reusable design patterns
The goal was to design an application that feels intuitive for customers while remaining maintainable for developers.
The Challenge
Building an e-commerce application goes beyond displaying products. Users expect fast navigation, personalized experiences, secure authentication, real-time updates, and a frictionless checkout process.
The challenge was to design an architecture that could support multiple shopping flows including product discovery, store management, cart management, order tracking, and customer profiles while keeping the experience smooth, responsive, and easy to scale.
The application also needed to support offline capabilities, secure local storage, responsive layouts for different mobile device sizes, and reusable components that simplify future feature development.
The Solution
I designed and developed a modular React Native application using Expo that combines modern UI patterns with scalable engineering practices. Rather than treating each screen as an isolated feature, I structured the application around reusable components, shared state management, and consistent navigation to ensure maintainability as the product grows.
The application delivers a complete shopping experience while remaining flexible enough to integrate additional commerce features, payment gateways, and AI-powered recommendations in future releases.
My Role
As the sole mobile engineer, I was responsible for the application's architecture, frontend implementation, and user experience.
My responsibilities included:
Product architecture and feature planning
Cross-platform mobile development with React Native and Expo
UI implementation from Figma designs
Component library development
Navigation architecture with React Navigation
Authentication flow implementation
State management and reusable hooks
Local data persistence using SQLite and Secure Store
Supabase backend integration
Map integration for order tracking
Performance optimization
Responsive layouts for phones and tablets
Core Features
Product Discovery
Browse featured products, categories, recommendations, and collections through a clean shopping experience optimized for mobile users.
Store Profiles
Dedicated storefront pages allow customers to explore merchants, browse their products, and follow favorite stores.
Search Experience
Search products with recent searches, suggestions, filtering, and category organization to help customers quickly discover relevant items.
Shopping Cart & Checkout
Complete cart experience with quantity management, address selection, order summaries, and a streamlined checkout flow.
Order Tracking
Real-time delivery tracking with interactive maps, shipment status, and progress indicators to improve transparency after processing payment and purchase.
Secure Authentication
Account registration, login, verification, and profile management powered by secure authentication and protected application routes.
Technical Highlights
Cross-Platform Architecture
Developed using React Native and Expo SDK 54, allowing a single codebase to power both Android and iOS applications while reducing maintenance costs.
Modern Navigation
Implemented scalable navigation using React Navigation 7, supporting nested navigators, authentication flows, and deep linking.
Secure User Data
Integrated Supabase, Expo Secure Store, and SQLite for secure authentication, local persistence, and offline-ready functionality.
Interactive Maps
Integrated React Native Maps to visualize delivery progress and improve the post-purchase customer experience.
Reusable Component System
Built reusable UI components and shared utilities to ensure design consistency, simplify maintenance, and accelerate future development.
Performance Optimization
Optimized rendering, navigation, asset loading, and local storage to deliver smooth interactions and responsive performance across a wide range of mobile devices.
Outcome
The project showcases best practices in mobile application development, including reusable component architecture, scalable navigation, secure authentication, offline-ready storage, responsive design, and clean code organization.
Its modular foundation makes it easy to extend with additional capabilities such as payment processing, push notifications, wishlists, loyalty programs, AI-powered product recommendations, and live order updates.
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