Antonios Kokkalis

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.

Grafici & Idee