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Trading Systems Developer
において
Independent MQL4 NinjaScript
Trader and systems developer — 12 years on MetaTrader 4 and NinjaTrader 8.
▸ See my published work: "Smart Session Breakout MT4" in CodeBase — a non-repainting
Asian range breakout indicator with an ATR body-quality filter, on-chart dashboard
and four alert types. Free, full source, open for questions.
WHAT I TRADE
Index and energy futures (ES, NQ, CL), FX majors and crosses, equities, indices and
commodities. I currently trade a proprietary-firm evaluation account under strict
daily-loss and maximum-drawdown rules, so I work under real risk conditions rather
than in theory.
WHAT I BUILD
· Expert Advisors from written specifications
· Custom indicators — price action, candlestick patterns, technical indicators,
multi-timeframe, session-based logic
· MT4 ↔ MT5 conversions
· Strategy backtesting, optimisation and parameter tuning
· NinjaScript indicators and strategies for NinjaTrader 8
WHY WORK WITH ME
I am a trader first. I understand what a strategy is trying to do before I write a
line of code — so I ask the right questions instead of coding a specification that
will not survive live markets. If I see a logical problem in your idea, I will tell
you before we start, not after you have paid.
I work in both the MetaTrader and NinjaTrader ecosystems, which is uncommon. If you
have a strategy running in one and want it in the other, that is exactly my ground.
BACKGROUND
B.Sc. in Computer Programming & Systems Analysis. Professional development experience
in COBOL, Pascal and C++ on IBM AS/400 before moving into trading systems.
Certified by Micro1 (2025) — AI content and prompt evaluation. I use AI tools in my
development and testing workflow, and I am currently building toward ONNX model
integration in MQL5.
HOW I WORK
Clear scope before coding · realistic deadlines · English comments in all source
code · source delivered with the compiled file · I answer questions after delivery.
Languages: Greek (native), English (professional). Based in the EU.
▸ See my published work: "Smart Session Breakout MT4" in CodeBase — a non-repainting
Asian range breakout indicator with an ATR body-quality filter, on-chart dashboard
and four alert types. Free, full source, open for questions.
WHAT I TRADE
Index and energy futures (ES, NQ, CL), FX majors and crosses, equities, indices and
commodities. I currently trade a proprietary-firm evaluation account under strict
daily-loss and maximum-drawdown rules, so I work under real risk conditions rather
than in theory.
WHAT I BUILD
· Expert Advisors from written specifications
· Custom indicators — price action, candlestick patterns, technical indicators,
multi-timeframe, session-based logic
· MT4 ↔ MT5 conversions
· Strategy backtesting, optimisation and parameter tuning
· NinjaScript indicators and strategies for NinjaTrader 8
WHY WORK WITH ME
I am a trader first. I understand what a strategy is trying to do before I write a
line of code — so I ask the right questions instead of coding a specification that
will not survive live markets. If I see a logical problem in your idea, I will tell
you before we start, not after you have paid.
I work in both the MetaTrader and NinjaTrader ecosystems, which is uncommon. If you
have a strategy running in one and want it in the other, that is exactly my ground.
BACKGROUND
B.Sc. in Computer Programming & Systems Analysis. Professional development experience
in COBOL, Pascal and C++ on IBM AS/400 before moving into trading systems.
Certified by Micro1 (2025) — AI content and prompt evaluation. I use AI tools in my
development and testing workflow, and I am currently building toward ONNX model
integration in MQL5.
HOW I WORK
Clear scope before coding · realistic deadlines · English comments in all source
code · source delivered with the compiled file · I answer questions after delivery.
Languages: Greek (native), English (professional). Based in the EU.
Antonios Kokkalis
パブリッシュされたコードSmart Session Breakout MT4 Asian Range with ATR Body-Quality Filter Dashboard and Non-Repainting Alerts
Asian session range breakout indicator for MetaTrader 4. Signals are confirmed on bar close and never repaint. Unlike simple session breakout tools, it also measures the strength of the breakout candle: the candle body must reach a configurable multiple of ATR, so marginal breaks are filtered out. Includes range size filters, an on-chart dashboard with session phase, spread, ATR in pips and a bar close countdown, plus pop-up, sound, email and push alerts.
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