I will fix and debug your mql5 expert advisor or mt5 indicator

T
tomas567
T
tomas567
Tomas
fix and debug your mql5 expert advisor or mt5 indicator
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fix and debug your mql5 expert advisor or mt5 indicator

About this gig

Your EA stopped trading? Orders rejected? Backtest looks different from live?


I diagnose and fix MQL5 Expert Advisors and indicators. Common issues I resolve daily:


OrderSend errors (10004, 10006, 10013, 10014, 10015, 10016, 10019)

"Trade context busy" and execution failures

EA works in backtest but fails live (tick model, spread, slippage issues)

Invalid stops, requotes, broker rejections

Array out of range, divide by zero, indicator handle errors

Memory leaks and performance issues in complex EAs


What I deliver:

Root cause analysis with detailed explanation

Fixed code with proper error handling added

Backtest validation before/after fix

Recommendations to prevent future issues


I've been debugging MQL5 for 10+ years. Published author of "Algorithmic Gold" I know where the bugs hide.


Send me your EA code + MT5 Journal/Experts logs and I'll give you a free initial diagnosis.

  • Programming language

    • Other

  • Expertise

    • Algorithms & Data structures
    • Debugging
    • Performance

Get to know Tomas

Tomas

From strategy idea to working EA

  • FromNetherlands
  • Member sinceNov 2017
  • Avg. response time1 hour

  • Languages

    Dutch, English, Polish
Algorithmic trader and published author of 4 trading books on Amazon. 10+ years in financial markets specializing in XAUUSD, forex majors, and indices. I build Expert Advisors using ICT/SMC methods — order blocks, FVGs, liquidity analysis. Not basic indicator crossovers. Tech: MQL5, Python, MetaTrader 5, XGBoost/ONNX. I trade my own systems with real money — I only build what actually works. Message me with your strategy for honest feedback before we start.

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