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01

A full-stack platform developed for tours and transfer bookings. It combines a multilingual customer-facing website and an administrative CRM panel within a single monorepo. The platform is built with Next.js 14, NestJS, Prisma, PostgreSQL, Redis, Stripe payment integration, and a role-based authentication and authorization system.

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02

Operational management & CRM panel for a travel company — fleet, reservations, transfers, and daily car rental with role-based dynamic modules. Multi-language React + MUI frontend backed by a .NET Clean Architecture API.

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03

Mobile auto-battler with backpack inventory management — collect mythical artifacts and arrange them into powerful combos to outplay other players. Joined the team as Game QA, running test passes and bug tracking across builds through to the App Store release.

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04

Food-ordering & delivery app for a global fast-food franchise — menu browsing, customizable combos, cart, map-based address selection and checkout. Built with React Native, Redux and a REST API at Celadonsoft.

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05

Frontend of an outfit marketplace connecting North American buyers with Asian manufacturers of footwear, apparel, and accessories. Built on Next.js and Medusa with separate admin, vendor, and shopper interfaces, PayPal/Stripe payments, a dynamic freight calculator, and courier integration for tracking and label generation.

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06

Web and native mobile apps for a book & media retailer where users buy and sell used books, CDs, DVDs, and games. Rebuilt the site structure and added a home collection service, saved basket, and a QR/barcode scanner for inventory valuation, plus an admin interface and push-notification management. Built with React, Redux, and React Native on a Python + PostgreSQL backend at Celadonsoft.

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07

Multi-functional e-learning platform where users create, take, and monetize courses through interactive card-based learning. Supports multiple question types, game-based mechanics with real-time animation, free and paid courses with creator monetization, and an admin panel. Built with React, Next.js, Redux, and Strapi on a MySQL backend at Celadonsoft.

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08

Full-stack store with React.js frontend and NestJS + PostgreSQL backend. Separate admin interface, order management, search by title/ISBN. Deployed on DigitalOcean.

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09

Multi-role course request workflow with React.js + NestJS + MongoDB. Developers create requests; seniors and managers approve or reject through an approval chain. Deployed on Vercel.

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10

Educational mobile app built with React Native (Expo) and Strapi. Streams training videos from the backend, Google Sign-In auth, and tracks user progress.

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11

Track daily and weekly habits. React Native (Expo) frontend with a Node.js + MongoDB backend for robust data management and a clean, user-friendly interface.

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12

An unusual online/offline TicTacToe with magic, bomb, and hidden-moves features. Built with React Native CLI and Firebase Realtime Database, phone-number auth and leaderboards.

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13

A travel companion for Prague spanning a refreshed website and native iOS/Android apps, with digital QR-based passes, AI-powered maps, trip planning, and nearby-attraction recommendations. Contributed as a frontend developer — building the responsive web 'Attractions' pages with React.js and Ant Design, and the mobile app with React Native CLI tailored for phones and tablets.

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14

Quiz application that dynamically handles data from an API — changes upstream reflect instantly in the app. Built with React.js, Bootstrap, and MobX.

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15

Tic-Tac-Toe played across the six faces of a 3D cube. React.js + Ant Design with local-storage auth, saved game history, and a leaderboard.

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16

Clean ticket-style interface for displaying flights, built with TypeScript, React Native CLI, and MobX.

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17

Responsive landing page design built with React.js and Bootstrap.