PROJECT DESCRIPTION
Looking for 1 experienced MQL5 developer to build 2 Expert Advisors for MetaTrader 5, targeting XAUUSD and major currency pairs. Strong preference for a single developer handling both EAs to maximize code reuse, reduce cost, and ensure consistency.
EA1 — Grid Martingale Pro
· Buy/Sell grid with Fixed or ATR Dynamic distance (ATR read once per fill, stored in grid_step_at_open[])
· Gap Protection: Market fill when price jumps past pending level
· Trend Filter: CCI + SuperTrend + ADX — stop opening new grid on counter-trend signal
· Exit logic: Net TP, Total TP, Trailing Stop, Hard Stop, Daily Drawdown
· CCanvas Panel 4 tabs (built at M3): Trading / Grid Setup / TP-SL / Filter
· Grid Preview: Fixed = exact entry price — ATR = 3-state display ✅📊❓
· State persistence: survive VPS restart via file I/O
EA2 — Hedging Grid Martingale
Reuses EA1 codebase entirely. Developer only adds Hedging layer:
· Place Pending on both sides (Buy Stop GU + Sell Stop GD) — determine direction when L2 fills
· Rolling TP: winning side auto-closes each level TP, losing side holds (loss-hold)
· BE_Net + BE_Total: draw 2 horizontal lines on chart — update realtime via OnTradeTransaction()
· BE_Total = BE_Net − Realized / (net_lot × ContractSize) [direct formula, no point conversion]
· 3 parallel exit conditions: Net TP / Total TP / Hard Stop (first triggered wins)
· Hard Stop → STOP BOT (no auto-reset, awaits user intervention)
· CCanvas Panel 3 tabs (built at M3): Trading+Info / Grid Setup+Exit / Filter
💰 PAYMENT — 3 MILESTONES
Payment split into 3 milestones. The agreed total is the net amount the developer receives — developer is responsible for all MQL5 platform transaction fees.
| Đợt / Milestone | Deliverable | Acceptance Criteria | Payment |
| M1
30% | EA1 Core
(không Panel / no Panel) | • Grid chạy đúng: Fixed & ATR mode
• Gap Protection hoạt động
• Trend Filter (CCI + SuperTrend + ADX)
• TP/SL/Trailing/Hard Stop/Daily Drawdown
• Video backtest 'Every tick based on real ticks'
• State persistence sau VPS restart | 30%
upon
delivery |
| M2
35% | EA2 Core
(không Panel / no Panel) | • Hedging GU/GD logic hoạt động
• BE_Net + BE_Total vẽ đúng trên chart
• 3 exit conditions song song (Net TP / Total TP / Hard Stop)
• Pass 6 test scenarios A→F từ spec
• Tái sử dụng code EA1 (ATR, Filter, Risk Mgmt) | 35%
upon
delivery |
| M3
35% | Cả 2 Panel
(EA1 + EA2) | • EA1: CCanvas 4-tab panel hoạt động realtime
• EA1: Grid Preview Fixed (chính xác) & ATR (✅📊❓)
• EA2: CCanvas 3-tab panel, BE_Total nổi bật
• SAVE / hot-update khi bot đang chạy
• Toàn bộ 2 EA test pass trên demo account | 35%
on
final
acceptance |
⚠️ Important: EA1 and EA2 must run fully without the Panel at M1 and M2. The panel is a UI overlay only — core logic must work independently via MetaTrader's Inputs tab. Developer must design internal variables (BE, grid state, trend status) to be panel-ready from M1.
✅ DEVELOPER REQUIREMENTS
· 3+ years MQL5 experience with completed EA projects on MQL5.community profile
· CCanvas custom panel experience required
· Must be comfortable with: iATR(), iCCI(), iADX(), OnTradeTransaction(), custom SuperTrend
· English or Vietnamese communication is fine
· Backtest video required at M1 and M2 — 'Every tick based on real ticks'
❌ DO NOT APPLY IF:
· No completed projects visible on MQL5 profile
· No CCanvas / custom UI panel experience
· Unwilling to accept milestone-based payment
📎 ATTACHED DOCUMENTS
· A descriptive document will be sent to you once you are selected.
· GridMartingalePro_Spec_v5.2_EN.docx — Full EA1 specification
· Panel_Trading_v1.9_EN.docx — EA1 panel design
· Hedging_Spec_v3.3_EN.docx — Full EA2 specification
· Hedging_Panel_v2.3_EN.docx — EA2 panel design
· Vietnamese versions also included for reference
Please include in your proposal: (1) relevant EA projects from your portfolio, (2) your experience with CCanvas panels, (3) estimated timeline per milestone.
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