Pavlo Arkusha

Long-term cooperation — quality and deadlines are the priority

I build complex web products end-to-end with 7+ years of experience.

I specialize in CRM systems and Telegram bots.

I design architecture from scratch and maintain live products with real users.

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💻 FRONTEND

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🔹 Core

▪ React 19, TypeScript, Vite

▪ Material UI v7, Tailwind CSS v4

▪ Material React Table v3

🔹 State & Forms

▪ Zustand, React Hook Form, Yup

🔹 Real-time & API

▪ Socket.IO Client, Axios

▪ lightweight-charts (trading charts)

🔹 UX & i18n

▪ i18next / react-i18next (multilingual support)

▪ dnd-kit (drag & drop)

▪ TinyMCE (rich text editor)

▪ react-router-dom v6/v7

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⚙️ BACKEND

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🔹 Core

▪ Python 3.13, aiohttp (async web framework)

▪ Pydantic v2, pyJWT, bcrypt

🔹 Real-time

▪ python-socketio (Socket.IO Server)

▪ WebSockets

🔹 Schedulers & Utilities

▪ APScheduler, aiofiles, Loguru

▪ pandas, openpyxl, Pillow (Excel, images)

▪ yfinance (financial quotes)

▪ GeoLite2 / geoip2 (geolocation)

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🗄️ DATABASES

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▪ MongoDB (motor — async driver)

▪ Redis (caching, real-time data)

▪ PostgreSQL, MySQL

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🤖 BOTS

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▪ Aiogram 3.x (async Telegram bots)

▪ AI integrations: ChatGPT, Claude, Gemini

▪ Webhooks, inline keyboards, FSM

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💳 PAYMENT SYSTEMS

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▪ OxaPay, CryptoBot (crypto)

▪ Telegram Payments, Telegram Stars

▪ LiqPay, WayForPay, Portmone

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🚀 DEVOPS & INFRASTRUCTURE

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▪ Docker, docker-compose

▪ Nginx (reverse proxy, SSL)

▪ PM2 (process manager)

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🏆 DOMAIN EXPERIENCE

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▪ FinTech / Trading — real-time platforms, charts, orders, margin trading

▪ CRM systems — client management, leads, tasks, analytics

▪ Telegram bots — bots with payments, broadcasts, CRM integration