CEX Exchange Engine is an enterprise-grade, microservices-based backend designed to power a Centralized Exchange (CEX) with high throughput, strong consistency, and real-time market integrity. Built with NestJS + TypeScript, the system implements a Kafka-driven event architecture to decouple order intake, matching, balance accounting, and market-data generation. The platform is composed of independent services—API Gateway, Order Service, Matching Engine, Market Data Service, and Balance Service—backed by PostgreSQL for transactional state, TimescaleDB for time-series market data, and Redis for low-latency caching (orderbook snapshots + fast reads). The Matching Engine maintains in-memory orderbooks and executes trades using price-time priority, while critical events are streamed through Kafka topics (e.g., orders.placed, trades.executed, balances.updated) to ensure scalable, auditable system coordination.

A Decentralized Carbon Credit & I-REC Marketplace Hestiya is a sophisticated, enterprise-grade ecosystem built on the Polygon Mainnet to democratize carbon credit trading. The platform features a high-performance Marketplace for B2B/B2C trading, a Web3-integrated Admin Panel for project lifecycle management, and a robust Node.js/REST API backend. It allows users to buy, sell, and retire verified carbon credits (Verra, Gold Standard) using both Stripe (Fiat) and Crypto wallets. The system ensures total transparency by recording all critical operations on the blockchain while providing a seamless UI for managing environmental assets.

An AI-Powered Event Ticketing, Marketing & Management Platform. ORA is a production-grade, full-stack event ecosystem built on Next.js 14 that empowers organizers to create, promote, sell tickets, and manage events end-to-end. The platform features an AI-powered Event Page Generator (Claude API) for instant marketing pages, a Stripe-integrated ticketing engine with QR code check-ins, a Stripe Connect payout system for organizers, a dedicated Marketing Portal for promotional video production, and a comprehensive Admin Panel for platform governance. It supports multi-role access (Attendees, Organizers, Admins, Marketing Team), multi-language (EN/ES), SMS/Email OTP authentication, and real-time analytics dashboards — all secured with Edge-compatible HMAC session management.

A Decentralized ICO Platform with Wallet Integration, Vesting NFTs, and Staking Rewards. FinTrust is a Web3 application built on the Solana blockchain, enabling users to participate in token sales, stake FT tokens for rewards, manage vesting schedules through NFTs, and track transactions—all with a seamless, responsive UI designed from Figma prototypes.

Step counter Water intake and is a sophisticated, enterprise-grade mobile health application built with React Native to democratize personal wellness tracking. The platform features a high-performance Native Android Foreground Service for continuous step monitoring, an offline-first architecture using AsyncStorage for data resilience, and a premium subscription system powered by react-native-iap for advanced analytics. It allows users to track, analyze, and achieve daily step and hydration goals through real-time monitoring using Android's Step Counter API, intelligent daily notifications via Notifee, and comprehensive historical insights with interactive charts. The system leverages Zustand for reactive state management and React Native Reanimated for smooth animations, ensuring total data privacy by storing all health information locally while providing a seamless, neumorphic UI for managing wellness goals. Users can set customizable daily targets, view detailed statistics including streak tracking and lifetime totals, receive achievement notifications, and access premium features like monthly and yearly historical views. With native foreground service integration that auto-restarts on device reboot, pause/resume tracking control, unit conversion support (metric/imperial), haptic feedback for enhanced UX, and data export capabilities, StepWater delivers continuous, battery-efficient tracking without cloud dependencies, making it the perfect companion for privacy-conscious users seeking reliable fitness and hydration management on Android and iOS platforms.

AnimalTalker is an advanced, entertainment-focused mobile ecosystem built on React Native 0.75.4 and Expo ~54.0.0 to transform human-to-pet communication through an immersive audio-visual experience. The platform features a Multi-Species Translation Engine supporting 10 distinct animal categories (cats, dogs, horses, cows, chickens, ducks, goats, fish, rats, and raccoons) with 25+ emotional variants—each equipped with unique sound profiles and contextual translations—and a Global Localization Framework delivering seamless experiences across 14 worldwide languages (English, Spanish, French, German, Italian, Portuguese, Russian, Chinese, Japanese, Korean, Arabic, Hindi, Turkish, Urdu) with complete RTL support for Arabic, Hebrew, Urdu, and Persian speakers. The system implements bidirectional translation modes allowing users to convert human phrases into randomized animal vocalizations or decode animal sounds into playful human interpretations, powered by a High-Performance Audio System utilizing Expo AV with intelligent sound caching, preloading mechanisms, and 60+ bundled MP3/WAV files for offline operation. The application delivers a premium user experience through a sophisticated navigation flow (animated splash screen, first-launch language selector, animal selection grid, dual-mode translator, and comprehensive settings panel) enhanced by React Native Reanimated 3.16.1 for buttery-smooth 60fps animations, LinearGradient theming with pastel color schemes, and pulsating microphone recording feedback. Additional enterprise-grade features include AsyncStorage persistence for user preferences and first-launch states, React Native In-App Review integration for user engagement tracking, premium content unlocking with locked animal variants, TypeScript-based architecture ensuring type safety across 100% of the codebase, Context API-driven state management for global app configuration, i18n-js powered translation infrastructure with JSON locale files, and a modular component structure separating concerns across screens, hooks, utilities, and services—making AnimalTalker a production-ready, scalable platform for cross-platform (Android/iOS) deployment with clean separation of UI and business logic that transforms pet-owner interactions into delightful entertainment experiences.

Todo List Tasks Planner is a sophisticated, feature-complete mobile ecosystem built on React Native 0.73.2 to revolutionize personal and professional task management. The platform features a high-performance Task Management Engine with real-time synchronization, an Analytics-Driven Statistics Dashboard for productivity insights, and a robust Native Android Integration Layer. It allows users to create, schedule, and track tasks across multiple categories (Work, Personal, Wishlist) using an intuitive calendar interface, push notifications with exact alarm scheduling, and home screen widgets for instant access. The system supports dual-store deployment architecture with separate builds for Google Play Store (featuring Firebase Analytics and Google Mobile Ads) and Amazon Appstore (compliance-ready with zero Google dependencies), while providing a seamless native experience powered by Zustand state management, AsyncStorage persistence, and React Native Reanimated for 60fps animations. The platform ensures complete data integrity through persistent local storage while delivering enterprise-grade features like streak tracking, completion rate analytics, haptic feedback systems, and multi-dot calendar visualizations—making it the ultimate solution for users seeking measurable productivity improvements with unmatched reliability and cross-platform accessibility.