Contact person: Binance Trading Bot with DCA Logic

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Location: Basel, Switzerland

Budget: Recommended by industry experts

Time to start: As soon as possible

Project description:
"A Binance Spot trading bot using DCA logic with:

Centralized, durable logging of everything (orders, errors, API responses, trade events).

A smart Resume System that recovers state after restarts without re-sending orders or losing track of deals.

A lightweight web UI to configure pairs, monitor balances and status/PNL, and view a price chart.

UI Pages

Settings

Add/enable a trading pair (e.g., BTCUSDT).

Per-pair fields:

Amount per buy (in USDT).

Take-profit % for sell orders.

Rebuy drop % from the last buy price.

Total deals allowed for the pair.

Max active deals (e.g., 5): hard cap on concurrently active buy/sell orders; extra deals are added gradually.

Toggle to enable/disable each pair.

Wallet

Shows non-zero balances.

Estimates value in USDT when price is available.

Status / PNL

Live snapshots: open deals, pending sell orders, realized PnL per fill.

Chart

Basic candlesticks for the selected pair.

Trading Logic (DCA)

When the bot runs and a pair is enabled:

If no active sell order exists for that pair:

Place an immediate market buy with the configured amount.

Place a take-profit limit sell at your target percentage (e.g., +1%).

Each time price drops by Rebuy % from the last buy price:

Place a new buy (with exchange-compliant quantity).

Place a dedicated sell for that tranche at the take-profit target.

After a sell fills:

Record realized PnL for that tranche precisely.

Restart the cycle: if no sell orders remain, place a fresh market buy and continue.

Max active deals prevents opening more than N concurrent buy/sell orders; additional deals are queued and created gradually (closest next 5 first).

Resume System

On restart or connectivity loss:

Fetch open orders and balances from Binance.

Reconcile exchange state with the persisted local state (linking existing orders/tranches).

Never re-submit an order that was already sent.

If inventory exists without a corresponding sell order, create the missing take-profit order at the correct target.

If price rallied and inventory exists, proceed to sell per strategy, then resume the cycle.

If no sell orders remain, start a new market buy and continue.

Logging

Durable central log (JSON lines) for:

Order attempts, API responses, network/library errors, strategy decisions, and execution events.

Enables thorough auditability, incident debugging, and accurate per-order PnL.

Binance Compliance & Safety

Respect minNotional, stepSize, tickSize from exchangeInfo.

Round quantities/prices to exchange filters.

Adhere to rate limits; use Testnet for safe dry-runs.

Key Config Fields

amount_per_buy: USDT amount per buy.

take_profit_pct: target profit per tranche (e.g., 1%)

rebuy_drop_pct: drop from the last buy price to open a new DCA tranche.

max_deals: total allowed tranches for the pair.

max_active_deals: cap on concurrently active deals/orders (e.g., 5).

Usual disclaimer: crypto trading carries significant risk. Start on Testnet and size carefully." (client-provided description)