Full-stack developer (5+ years) specializing in Telegram bots, Mini Apps, automation, web development, and trading systems.
Based in Europe, working with clients globally and across Russian/CIS markets.
- CRM bots, notification bots, payment-integrated bots
- Telegram Mini Apps with React/TypeScript + backend
- Aiogram, Pyrogram, userbot development
- Full-stack web applications (React, Next.js, TypeScript, Node.js)
- PHP/MySQL websites with authentication and payment integrations
- Landing pages, corporate sites, e-commerce platforms
- REST API development (FastAPI, Django, Node.js)
- Third-party integrations (Stripe, CRM, payments, messaging)
- Database design and optimization (PostgreSQL, MySQL, Redis)
- Business process automation with n8n
- Data parsing/scraping with Playwright
- Internal tools and operational scripts
- MetaTrader/MQL5 Expert Advisors and indicators
- Trading strategy automation and backtesting
- PineScript to MQL5 conversion
- ChatGPT, Claude, and custom LLM integration into bots and systems
- Prompt engineering and AI workflow design
| Category | Technologies |
|---|---|
| Frontend | React, Next.js, TypeScript, HTML, CSS, Tailwind |
| Backend | Node.js, FastAPI, Django, PHP, Laravel |
| Mobile | React Native, Flutter |
| Database | PostgreSQL, MySQL, Redis, SQLite |
| Automation | Python, Playwright, n8n, Selenium |
| Telegram | Aiogram, Pyrogram, Telegram Web App SDK |
| Trading | MQL5, PineScript, MetaTrader 5 |
| Web3 | Solidity, Hardhat, ethers.js |
| DevOps | Docker, Git, Nginx |
| Other | Tilda, Figma basics |
| Project | Description | Tech |
|---|---|---|
| Aura Lending Platform | Full-stack lending/palm-analysis web app | NestJS, React, TypeScript |
| Doctor Workflow Mobile App | React Native prototype for medical workflows | React Native, Expo |
| OpenClaw Utopia Integration | TypeScript API integration for messenger | TypeScript, Node.js |
| Sport Event Website · Live site | PHP/MySQL event registration with VK OAuth | PHP, MySQL, Docker |
| Kazan Cleaning Website · Live site | Production business website for cleaning services | WordPress, Docker |
| Discount Pol Website · Live site | Production flooring catalog/e-commerce website | TypeScript, Next.js |
| Telegram 2048 Mini App · Live demo | Telegram Mini App implementation of 2048 | TypeScript, Vite |
| MetaTrader Scripts Toolkit | MQL5 Expert Advisors and automation | MQL5 |
| Linux Wallpaper Counter | Python utility for KDE Plasma | Python, QML |
| Stream Trading Engine | Python trading strategy research engine | Python |
| English Dictionary | TypeScript/React dictionary and learning tool | TypeScript, React |
- Telegram Bot Development — from simple notification bots to complex CRM-integrated solutions
- Telegram Mini Apps — full-stack Mini Apps with payments and backend
- Web Development — websites, dashboards, full-stack applications
- Backend & API — REST APIs, integrations, microservices
- Automation — business process automation, data processing, scripts
- Trading Systems — MQL5 Expert Advisors, strategy conversion, backtesting
- AI Integration — ChatGPT/Claude integration into existing workflows
- Email: dewyndlx@gmail.com
- GitHub: https://github.com/Dewyndl
- Telegram: @dewyndl
Open to freelance projects, long-term contracts, and collaboration on interesting technical challenges.
Last updated: June 2026