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I specialize in Expert Advisors and custom indicators for MetaTrader 5. My approach is straightforward: no martingale, no grid, no black-box magic. Just solid technical logic backed by proper backtesting.
What I build:
Expert Advisors (breakout, mean-reversion, indicator-based strategies)
Custom indicators (market structure analysis, signal detection, visual tools)
MQL4 to MQL5 migration and code modernization
Strategy optimization and debugging
Published on MQL5 Market:
Tokyo Trigger — Stochastic breakout EA for USDJPY H1 (backtested 2012-2025)
GBP RSI Buy Milker — Double RSI strategy for GBPUSD M1 (backtested 2003-2025)
My stack:
MQL5 / MQL4 (native MetaTrader development)
C++ style OOP with standard MQL5 classes (CTrade, CPositionInfo, CSymbolInfo)
Clean code with proper error handling and documentation
Open-source portfolio: https://github.com/jimmer89/mql5-portfolio
Currently available for freelance projects. I deliver on time, communicate clearly, and write code you can actually read and maintain.
Languages: English, Spanish, Catalan
OVERVIEW SyncCrosshair Pro synchronizes your crosshair across all open chart windows. When you move your mouse on one chart, all other charts instantly display the crosshair at the exact same time position. Perfect for traders who analyze multiple timeframes or correlated instruments simultaneously. KEY FEATURES ✅ Multi-Chart Crosshair Sync • Vertical line synchronized by time • Horizontal line synchronized by price • Works across different symbols (EURUSD, XAUUSD, indices, crypto...) • Works
🎌 Tokyo Trigger – Technical Precision at Its Finest 🔍 Optimized for USDPY H1 | Tested with real data from 2012 to 2025 📌 Overview Tokyo Trigger is a plug and play expert advisor (EA) built with rigor, specifically designed to capitalize on precise technical conditions in the USDJPY pair on the 1-hour (H1) timeframe. This advisor only takes long side (buy) decisions , based on signals derived from the Stochastic indicator, filtered to avoid false signals and optimized with "Breakout"
Double RSI Buy – Expert Advisor for GBP/USD (M1) Double RSI Buy is an expert advisor designed to trade the GBP/USD pair on the 1-minute time frame. Its logic is based on a combination of two RSI indicators, which identify entry opportunities in oversold conditions and manage exits in overbought zones. Main Features: Strategy based on double RSI (Relative Strength Index) logic. Optimized timeframe: M1 (1 minute). Instrument: GBP/USD. Trades are executed at candle open, with no order duplication