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Mga Tala sa Engineering

Mga build note mula sa team: backtest fidelity, order execution, precision, at ang mga trade-off sa likod ng isang awtomatikong trading platform. Isinulat para sa mga developer.

6Mga Artikulo
44 minKabuuang Oras ng Pagbabasa
IntermediateKahirapan
1
6 Things I'd Tell Myself Before Building a Trading Bot Platform
Mga Tala sa EngineeringIntermediate
7 min basahin

6 Things I'd Tell Myself Before Building a Trading Bot Platform

Engineering lessons from building a trading bot platform: quiet failures, simulators that flatter you, precision as a domain and constraints that remove work.

2
Floating Point Will Cost You Money: Precision in Trading Systems
Mga Tala sa EngineeringIntermediate
7 min basahin

Floating Point Will Cost You Money: Precision in Trading Systems

Three exchanges, three incompatible minimum order rules, and a bug from inventing a rule one of them never had. What precision work looks like in production.

3
Designing Non-Custodial Trading: API Key Scopes and Never Touching Withdrawals
Mga Tala sa EngineeringIntermediate
8 min basahin

Designing Non-Custodial Trading: API Key Scopes and Never Touching Withdrawals

Why we refuse API keys that carry withdrawal permission instead of just promising not to use it, and what that constraint removes from the system.

4
The Mouse Wheel Is Quietly Editing Your Number Inputs
Mga Tala sa EngineeringIntermediate
6 min basahin

The Mouse Wheel Is Quietly Editing Your Number Inputs

Two React traps that only hurt when a field holds money: the number input mouse wheel, and a portalled Radix popover that swallows every keystroke in a dialog.

5
Why Backtests Lie: Simulating Indicator-Based Exits Is Harder Than It Looks
Mga Tala sa EngineeringIntermediate
8 min basahin

Why Backtests Lie: Simulating Indicator-Based Exits Is Harder Than It Looks

Three ways a backtest looks better than reality: reading an unclosed higher timeframe bar, repainting candles and skipping conditions it cannot replay.

6
What I Underestimated Building a No-Code Trading Bot Platform
Mga Tala sa EngineeringIntermediate
8 min basahin

What I Underestimated Building a No-Code Trading Bot Platform

Three problems harder than expected in a no-code trading bot platform: exchanges that fail quietly, floating point in order sizing and never holding funds.

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