Multi-Slave Inverse Hedging EA with Martingale Grid — MT5

Multi-Slave Inverse Hedging EA with Martingale Grid — MT5

Category: Experts

Description:

I am looking for an experienced MQL5 developer to build a professional-grade Expert Advisor system called Hedging EA Trader. This is a well-documented project — I have a full 30+ page Software Requirements Specification (SRS) ready to share with the selected developer.

System Overview:

The EA uses a Master/Slave architecture:

• 1 Master EA (Broker A) generates trades via a built-in Gold scalping strategy
• Up to 15 Slave EAs (Brokers B through P) mirror trades inversely
• Master BUY → all Slaves SELL | Master SELL → all Slaves BUY
• The Master side stays in loss, the Slave sides capture profit
• If polarity flips, the system closes all positions and reverses

Core Features Required:

1. Multi-Slave Communication — Master acts as TCP server, up to 15 Slave clients connect with unique IDs. JSON messaging, ACK protocol, heartbeat, reconnection logic, state persistence to disk.
2. Independent Lot Calculation — Each terminal calculates its own lot as 1% of its own available balance. Different account sizes produce proportional lots.
3. Martingale Grid — When Master is in loss by configurable pip distance, system opens new positions at doubled lot size on all terminals (1→2→4→8). Max total lots across all open levels = 10 (configurable). Each terminal enforces its own cap.
4. Trailing Stop-Loss — Configurable trailing SL in pips on profitable Slave positions. When hit, all positions on all terminals close.
5. Time-Based Safety — Auto-close all positions after 24 hours. Close 1 hour before NY session close on Fridays. Built-in holiday calendar + manual override list.
6. Kill Switch — Master button that closes everything on all terminals and halts trading until manually restarted. Each Slave also has its own close button.
7. Built-In Strategy — Gold (XAUUSD) scalping on M5: EMA(8/21) crossover + RSI(14) confirmation + ATR(14) volatility filter + session filter (London/NY).
8. On-Chart Dashboard — Master displays all Slave connection statuses, profit per terminal, grid level, spread, trailing SL status, 24h countdown, errors.
9. Symbol Mapping — Brokers use different names (XAUUSD, GOLD, XAUUSDm). Configurable mapping per Slave.
10. Edge Case Handling — Slave rejection, disconnection mid-trade, terminal restart recovery, insufficient margin, manual close of one leg, spread spikes, and more — all specified in the SRS.

Deliverables:

• .mq5 source code + .ex5 binaries (Master + Slave)
• Installation guide for VPS with multiple terminals
• Full parameter reference documentation
• Communication protocol documentation
• Demo account test results (16 test scenarios defined)
• Strategy backtest report on XAUUSD M5 (12+ months)

Account Type: MT5 Hedging (all accounts confirmed) Primary Instrument: XAUUSD (Gold) Deployment: VPS running all terminals

What I Expect From You:

• Review my SRS document thoroughly
• Provide estimated cost and timeline with milestones
• Ask clarifying questions — I am available for a call/meeting
• Experience with multi-terminal communication (TCP/socket/file bridge) is a must
• Experience with grid/martingale systems is strongly preferred

Budget is negotiable based on your proposal quality and experience.