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## Project Summary
I am hiring an experienced *MQL5 developer* to convert an existing *Heikin Ashi–based scalping strategy (currently written in Pine Script)* into a fully automated Expert Advisor for *MetaTrader 5*.
The trading logic already exists.
Your role is implementation, execution reliability, and engineering improvements — particularly eliminating trades during consolidation/ranging markets.
This is a custom build. Not a template or basic script conversion.
## What I Will Provide
* Pine Script strategy code
* Exact entry/exit rules
* Risk parameters
* Examples of expected behavior
* Screenshots/backtests for reference
You are not required to design the strategy itself — only convert and engineer it properly.
# Strategy Overview (Heikin Ashi Scalping)
The system is a short-term scalping strategy based on:
* Heikin Ashi candle logic
* Momentum/volatility confirmation
* Breakout or displacement-style moves
* Lower timeframe execution
* High trade precision and fast execution
Instrument:
* XAUUSD (Gold)
Timeframes:
* 1M–5M execution
Core behavior:
* Trade only when momentum is present
* Avoid sideways/ranging markets
* Fast entries and exits
* One position at a time
# Primary Technical Requirement – Consolidation Filtering (Developer Responsibility)
The Pine version currently enters too many trades during consolidation.
You must design and implement a professional solution to prevent trading in low-volatility or sideways conditions.
You are expected to engineer this using appropriate quantitative methods, for example:
* Volatility/ATR filters
* Momentum or displacement detection
* Range compression detection
* Volume filters
* Statistical or structural filters
* Any other reliable technique
Method choice is yours.
Requirement:
The EA must clearly separate:
* Consolidation → no trades
* Directional/momentum markets → allow trades
This filter must be testable and effective in backtesting.
# Functional Requirements
## Entry & Execution
* Convert Pine Script logic accurately into MQL5
* Immediate execution when conditions are met
* No duplicate orders
* Only one open trade at a time
* No trade spamming
* Stable execution during fast price movement
## Risk Management (mandatory)
* 0.5% risk per trade
* Maximum daily loss limit
* Automatic lot sizing
* Stop loss and take profit set instantly
* No martingale, grid, or averaging
## Engineering Standards
* Clean, modular, readable code
* Proper logging and error handling
* No blocking loops or freezes
* Runs continuously without supervision
* Works correctly in live trading
## Backtesting
* Fully compatible with MT5 Strategy Tester
* No repainting
* No lookahead bias
* Historical behavior matches rules
# Deliverables
* Complete .mq5 source code
* Compiled .ex5 file
* Installation instructions
* Input/parameter documentation
* Brief explanation of consolidation filter logic
* Panel to manually change time frames and risk
# Required Experience
* Advanced MQL5 development
* Automated trading systems
* Strategy conversion from *TradingView* Pine Script
* Experience implementing market-state or volatility filters
* Risk-based position sizing
# Application Requirements:
* Proof of previous work
* Proposed approach to consolidation filtering
1 week is needed after all requirements are met for a testing period to ensure all functions are working smoothly and as expected
1 week is needed after all requirements are met for a testing period to ensure all functions are working smoothly and as expected
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