We have a professionally built MT5 Expert Advisor with pre-written code ready. We need an experienced MQL5 developer to REVIEW, FIX, and CERTIFY the ENGINE MODULE.
YOU ARE NOT BUILDING FROM SCRATCH.
You are reviewing 8 existing .mqh files. WHAT YOU WILL DO:
1. Review 8 pre-written .mqh engine files
2. Fix known shutdown bug: "invalid pointer access in AlmudoEngine.mqh (60,10)"
3. Achieve ZERO warnings in MT5 Build 4500+
4. Verify custom mutex (m_trade_lock) is bulletproof
5. Confirm all 8 callback interface points fire correctly
6. Write 1 unit test script
FILES YOU WILL RECEIVE:
- AlmudoEngine_Types.mqh (READ ONLY - do not change)
- IAlmudoEngineCallback.mqh (READ ONLY - do not change)
- AlmudoEngine_TradeLock.mqh (Review and fix)
- AlmudoEngine_Execution.mqh (Review and fix)
- AlmudoEngine_PositionMgmt.mqh (Review and fix)
- AlmudoEngine_Filters.mqh (Review and fix)
- AlmudoEngine_Signals.mqh (Review and fix)
- AlmudoEngine.mqh (Review and fix)
STRICT NON-NEGOTIABLE RULES:
- No DLL imports anywhere
- No Sleep() calls — only GetTickCount()
- Magic Number constant: ALMUDO_EA_MAGIC = 26052026
- Zero compilation warnings
- All class names keep CAlmudo_ prefix
- All member variables keep m_ prefix
- NDA must be signed before code is shared
KNOWN BUG (Priority Fix):
"invalid pointer access in AlmudoEngine.mqh (60,10)" This crashes on EA shutdown. Fix the destructor pointer cleanup sequence.
DELIVERABLES:
- All 8 certified .mqh files (5 days)
- 1 unit test .mq5 script
- Changelog documenting every fix
MILESTONE PAYMENT STRUCTURE:
Day 2: TradeLock + Callback interface ($30) -
Day 4: Execution + Filters + Signals ($30) -
Day 5: Full engine + bug fix + test script ($40)
SCREENING QUESTION (must answer to be considered):
What causes "invalid pointer access" in MQL5 and how do you fix it? Give a code example.
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