Telegram Mini App Developer (React + Laravel + Blockchain) Offline

We are looking for a Telegram Mini App Developer with experience in creating high-quality, interactive, and secure applications using modern tools and technologies. Your primary responsibilities will include frontend and backend development, blockchain integration, and setting up interactive Telegram applications.
 

Key Responsibilities:

Frontend Development (React):

• Developing component-based UIs using React 18+ (functional and class components, hooks).
• Utilizing TypeScript (strict typing, working with interfaces and generics).
• Managing state with Redux, Context API, or other tools.
• Handling asynchronous state with Redux Thunk, RTK Query, or equivalents.
• Setting up routing with React Router.
• Integrating RESTful APIs and WebSocket APIs (Axios/Fetch, error handling, managing loading/response states).
• Implementing interfaces for payment systems and wallet interactions, including TON Wallet.
• Connecting to TON API and integrating TON Connect for wallet-based authentication.
• Building responsive and adaptive interfaces using CSS-in-JS libraries and SCSS/SASS.
• Setting up light and dark themes.

Backend Development (Laravel):

• Developing RESTful APIs using Laravel 10/11.
• Optimizing performance and working with databases (PostgreSQL/MySQL).
• Managing queues (Laravel Queue, Redis).
• Integrating payment APIs (Stripe, Telegram Payments API), generating and handling invoices, managing transactions, and processing refunds.
• Connecting to TON API or other blockchain platforms (retrieving data, managing transactions, setting up webhooks).
• Ensuring API security and encrypting data (JWT, CSRF, XSS).

Telegram Integration:

• Using the Telegram Web Apps JS SDK to integrate events (e.g., openInvoice, alert).
• Adapting applications for fullscreen mode.

Testing and Optimization:

• Writing unit and e2e tests (Jest, React Testing Library, Cypress).
• Optimizing bundles using Webpack/Vite (minification, tree-shaking).
• Setting up logging (Monolog, Laravel Telescope) and monitoring (Sentry).

Additional Skills:

• Working with Docker for development and deployment.
• Setting up CI/CD pipelines (GitHub Actions, GitLab CI).
• Using Redis for caching and queues.
• Understanding blockchain architecture and dApps.
• Experience working with hardware wallets.
   

Requirements:

• Strong knowledge of React and Laravel.
• Experience with blockchain APIs, particularly TON API.
• Understanding of building secure applications (token handling, data encryption).
• Proficiency in English.
• Team player with excellent communication skills.