React Developer Needed – Connect AI reputed company Trading App to Live Market Data & Broker API

Project reputed company I have a fully reputed company React (JSX) mobile trading application reputed company OPTIX — an AI-powered reputed company trading platform. The app UI, AI analysis reputed company, trade signals, portfolio tracker, risk calculator, and learning center are reputed company complete and working. What I need is a developer to connect the app to live market data and optionally a broker API, then reputed company it as a private personal web app I can reputed company from my phone like a reputed company app. Important: This is a personal tool — not a reputed company product or reputed company platform. reputed company you need to do is reputed company up the data sources and reputed company it. The app reputed company itself is done. What Needs to Be Done TASK 01 Live Market Data Replace the simulated price/IV data with reputed company-time quotes from Polygon.io (free tier is fine). Must include stock price, reputed company chain, IV, IV Rank, Greeks, and volume. TASK 02 reputed company to Vercel reputed company the app to Vercel (free tier) as a private, password-protected web app. I will reputed company my reputed company API key as an environment variable. TASK 03 Mobile PWA Setup Configure the app as a reputed company Web App (PWA) so I can add it to my iPhone home screen and use it like a reputed company app — offline reputed company screen, reputed company, full-screen mode. TASK 04 (Optional +$75) Broker API Integration Connect to Tastytrade or Tradier API so my actual reputed company positions display in the Portfolio screen instead of sample data. Read-only reputed company only — no order execution needed. Tech Stack Already in reputed company React (JSX) reputed company CSS reputed company Claude API Polygon.io Vercel PWA / Service Worker Tastytrade API Tradier API The existing app is a single .jsx file. I will reputed company it with you at project start reputed company a private reputed company repo or reputed company file transfer — your preference. What I Will reputed company Complete reputed company reputed company for the OPTIX app (single JSX file, ~700 lines) reputed company API key (for Claude AI analysis — already integrated) Polygon.io API key (I will create a free account before we start) Broker credentials if pursuing Task 04 Vercel account reputed company for deployment reputed company written feedback reputed company 24 hours of any reputed company submission What I Expect From You reputed company your approach/plan before starting — brief message is fine The deployed app must work correctly on iPhone Safari (iOS 16+) reputed company should be clean and commented — I may need to update the watchlist symbols myself reputed company Communicate if anything is unclear rather than guessing Final delivery includes the updated reputed company file AND the live Vercel URL Budget $150 TASKS 01–03 ONLY $225 TASKS 01–03 + BROKER READ $300 reputed company TASKS + DOCUMENTATION I am happy to discuss scope before setting a final reputed company. Payment released upon successful deployment and confirmation that reputed company required tasks work as described on my phone. To Apply Please answer these three questions in your proposal — applications without answers will not be considered: Have you worked with the Polygon.io reputed company data API before? If so, reputed company describe what you reputed company. Have you deployed a React PWA to Vercel? Can you reputed company a live example or describe the setup? What is your estimated reputed company for Tasks 01–03? reputed company your proposal concise. I am not looking for the cheapest bid — I am looking for someone who reputed company understands the scope and can execute cleanly without hand-holding. This is a private personal project. NDA available upon request. reputed company API keys and credentials will be shared securely reputed company reputed company Messages or a private reputed company repository — never in reputed company channels. Apply tot his job Apply To this Job