Никита Костава

Built a fully functional crypto wallet as a Telegram Mini App, featuring deposits, withdrawals, swaps, and off-chain transfers. Partially implemented P2P exchange logic and laid foundation for future DAO SaaS integration.

Developed a bot to automate model application intake, create casting announcements, and sell event tickets. Includes payment gateway integration and application administration.

Developed a fully functional social platform with user profiles, news feed, messaging, comments, friends system, WebSocket integration, and voice/video calls via WebRTC. Used microservice architecture with Kafka for asynchronous message processing.

Developed algorithms for real-time price analysis across multiple exchanges to identify arbitrage opportunities, accounting for fees and liquidity. Implemented detection of arbitrage opportunities between decentralized exchanges using Web3 API and liquidity pool analysis.

Developed a book-trading system for cryptocurrencies with full order book depth, real-time price updates, and dynamic order management. Implemented multi-currency balance replenishment and secure treasury transfer with transaction validation and dual-layer security.

Developed an e-commerce platform for a jewelry business, implementing modules for product catalog, payment processing, order management, CRM integration, and administration. Backend was developed with Django using a REST API.

Developed an internal marketplace for selling educational products, courses, and services among platform users. Implemented rating/review system and payment functionality using microservice architecture with Kafka.

Developed a Telegram Mini App game with Web3 integration, where players earn tokens for in-game interactions and data is stored on the blockchain. Used React with Telegram SDK and Web3 API.

Developed a bot for managing a referral system, tracking invited users, generating unique referral links, calculating bonuses, and providing invitation analytics.

Developed a full-featured LMS platform with multi-role support, internal chat, event calendar, and chunked data loading. Built on Django with flexible user and course model architecture.

Developed an online learning platform with student registration, course progression, video lessons, homework, and testing. Integrated administrative dashboard for course management and payment services.

Developed a Telegram bot that grants channel access after cryptocurrency payment, moderates the channel, and removes users who fail to renew subscriptions. Integrated crypto payment gateways and transaction verification.

Developed a fully functional e-commerce website with shopping cart, product filtering, payment processing, and user accounts. Implemented admin panel and microservice architecture with Kafka.

Pursued studies in English Language Dynamics course.