MongoDB developers

What I can help you with: ✅ Modern website and web application development from scratch; ✅ SaaS MVPs, CRMs, admin panels, user dashboards, and marketplaces; ✅ Frontend development: HTML, CSS, JavaScript, TypeScript, React, Next.js, Vue, Nuxt.js; ✅ Responsive and cross-browser layout: Tailwind CSS, Bootstrap; ✅ Backend development: Node.js, NestJS, Express.js, Python, Django, FastAPI, Flask; ✅ Databases: PostgreSQL, MySQL, MongoDB…

…real-time synchronizationPerformance optimization and algorithmic efficiency Crypto, Web3 & Trading SystemsBinance / BingX / OKX APIs, user-level endpointsDEX ↔ CEX arbitrage systemsSolana, SUI, Move, Ethereum smart contractsAutomated trading strategies and execution engines FrontendReact, Next.js, TypeScriptWebGL / Canvas for games and visualizationsInteractive UI and admin dashboard development Data & InfrastructurePostgreSQL, MongoDB…

⚙️ BACKEND ━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 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) ━━━━━━━━━━━━━━━━━━━━━━━━━━━━ ️ DATABASES ━━━━━━━━━━━━━━━━━━━━━━━━━━━━ ▪ MongoDB…

Web developer, Python/JS. I build websites, backends, parsers, Telegram bots, API integrations. Stack: Python (FastAPI, aiogram, BeautifulSoup, Selenium), JavaScript/TypeScript (Node.js, React), PHP (WordPress, OpenCart). Databases: PostgreSQL, MySQL, MongoDB…

REST APIs, Telegram bots, data parsers, business process automation solutions, and third-party service integrations. I can handle the entire development cycle — from frontend and backend development to server infrastructure setup and deployment. Technologies: • Backend: Go, Python, PHP, Java, REST API, gRPC • Frontend: React, Next.js, TypeScript, JavaScript • AI: OpenAI API, Claude, LLM Integration • Databases: PostgreSQL, MongoDB…