Title: Build a Multi-User Trading Bot Platform (FastAPI + Alpaca + PostgreSQL + Frontend Dashboard) Project Description: I am looking to hire a senior Python developer to build a complete multi-user trading bot platform. The backend should be built using FastAPI, integrate with Alpaca brokerage APIs, and include a simple HTML/CSS/JS dashboard frontend. The project involves real-time trading, WebSocket data, and multi-user account handling. Core Requirements 1. Backend (FastAPI) User authentication system (JWT or session-based) Role-based access (Admin/User) Endpoints for: Account connection (API keys) Strategy execution Fetching trade logs, PnL, and portfolio data WebSocket integration for: Live price stream Real-time bot actions 2. Trading Features Connect to Alpaca API (paper/live) Live order placement (buy/sell) Real-time strategy execution loop Historical data fetching for backtests Support for strategies like: Profit booking Trailing stop Averaging down ML-based predictions (optional) 3. Database PostgreSQL with asyncpg Tables for: Users API keys Logs Orders Strategies 4. Frontend Clean HTML dashboard (no heavy JS frameworks required) View: Real-time prices PnL summary Positions Trade logs Settings page 5. DevOps Docker containerization Deployment on VPS (Ubuntu) Logging + error handling Production folder structure Required Skills: Strong Python (AsyncIO + type hinting) FastAPI (routers, background tasks, JWT auth) Alpaca API / or other broker APIs WebSockets (real-time streaming) PostgreSQL + asyncpg HTML + JS dashboard experience Git, Docker, Linux (deployment) Deliverables: Fully working multi-user trading bot system API documentation Clean and modular code structure Deployment setup guide 2-week post-delivery support (bug fixes)