Node.js/TypeScript developer for MVP of auto trading service: TradingView → Binance/Bybit
1000 USD 
Project Overview:
We need to develop a multi-user service that accepts JSON webhooks from TradingView indicators and deterministically opens/closes positions on exchanges. The first iteration is pair trading: two opposite legs, aggregated PnL for the group, manual TP/SL based on total PnL.
Project Tasks
Receive webhooks from TradingView with JSON and security key.
Parse JSON and open 2 trades on the exchange for two tickers simultaneously.
Close both trades on a new signal or based on total PnL in dollars.
Support position scaling and partial closing.
Connect Binance and Bybit exchange keys. Check key permissions.
Create a bot: name, exchange and account, 2 tickers, leverage, stop loss, take profit.
Display current positions and PnL, trade history, simple WinRate for the bot.
Logs and statuses in real-time. Idempotency by idempotencyKey.
Testnet mode. Deploy staging and production. Secure key storage.
Stack
Backend: Node.js + TypeScript + NestJS.
Database: PostgreSQL. Cache and queues: Redis.
Exchanges: native SDKs for Binance and Bybit. CCXT can be used as a backup option.
Frontend: Next.js + React + Tailwind. WebSocket or SSE for statuses.
Infrastructure: Docker, docker-compose at the start. Then Kubernetes if desired.
Secrets: Vault or KMS. Logs and alerts: Sentry and Prometheus at a minimum.
Description in Notion: https://www.notion.so/runrox/29fa429bd63880deacb7fb520fc0b86e?source=copy_link
Please immediately share your experience with similar projects, cost, and implementation timelines. I would be happy to discuss the project in more detail.
Client's review of cooperation with Danyil Kulazhenko
Node.js/TypeScript developer for MVP of auto trading service: TradingView → Binance/BybitExcellent specialist, did everything as planned and even more! I recommend for collaboration, very experienced freelancer!
Freelancer's review of cooperation with Igor Dzhuzha
Node.js/TypeScript developer for MVP of auto trading service: TradingView → Binance/BybitGreat client. Clearly and to the point discussed all the details, talked about how to best implement the project. At the development stage, we solved situations together. Constant communication. It is very pleasant to work with such people.
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Здравствуйте. А что значит JSON webhook? У TradingView я таких не видел. Хотя есть вариант что мой контракт низкий и мне такого не показывают
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