I will develop a custom stock trading platform with broker api


Level 2
About this gig
Need a stock trading platform that actually plugs into real broker APIs and ships fast? I build production stock platforms broker-connected dashboards, multi-user systems, admin panels, and the back-end glue that holds it all together.
What's included by default:
- Broker API integration (Alpaca, Interactive Brokers, TD Ameritrade, Robinhood unofficial, Tradier)
- Real-time market data via TradingView or Polygon.io
- Order entry: market, limit, stop, bracket, OCO
- Watchlists, charts, news feed, options chains (where supported)
- Portfolio + positions + P&L tracking
- Admin panel: user management, KYC, audit logs (Standard and above)
- Paper trading sandbox (Premium)
- Mobile-responsive web app, optional native iOS/Android wrapper
Stack: Python or Node back end, React or Next.js front end, Postgres or MongoDB, hosted on your VPS or cloud.
7+ years building production trading systems. Repeat clients across UK, US, EU. NDA available before sharing project specifics.
Full architecture diagram and PDF spec delivered before code starts. Backtests where applicable, security review, and 30-day post-delivery support included on every order.
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Get to know Tj Alam
Algo Trading Developer, Python Bots, AlgoTrading Web Apps, Pine Script
Level 2
- FromIndia
- Member sinceJun 2017
- Avg. response time1 hour
- Last delivery1 day
Languages
English, Hindi
My Portfolio
FAQ
Q: Which broker APIs do you integrate with?
A: Alpaca, Interactive Brokers (IBKR), TD Ameritrade, Tradier, Charles Schwab API, Webull (where allowed) and any other broker with API . Crypto exchanges via separate integration if needed.
Q: Will I own the full source code?
A: Yes. Complete source, deployment scripts, and documentation. No vendor lock-in.
Q: Do you handle real-time market data?
A: Yes — Polygon.io, TradingView Charting Library, IEX Cloud, or your existing data vendor. Costs of data subscriptions are passed through.
Q: Can you build paper trading mode?
A: Yes, paper trading is included in the Premium package. Standard package can simulate via broker sandbox accounts.
Q: Do you handle compliance and regulatory integration?
A: KYC/AML integration with Sumsub, Onfido, Persona is included from Standard upward. Regulatory licensing (broker-dealer, RIA) is your legal team's responsibility.
Q: How is user data and PII protected?
A: Encrypted at rest (AES-256), TLS 1.3 in transit, role-based access control, audit logs on every privileged action. Premium tier includes SOC 2 readiness checklist.
Q: Do you build mobile apps too?
A: I deliver mobile-responsive web by default. Native iOS/Android wrappers (Capacitor or React Native) NOT available .
Q: Do you sign an NDA?
A: Yes — NDA available on request before any project specifics are shared.

