HardwareThe Pragmatic Engineerabout 2 hours ago
Software engineering at a proprietary trading company: Optiver
23 min read
Optiver, a proprietary trading firm headquartered in Amsterdam, prioritizes minimizing latency across its software stack and manufactures its own hardware. The company reported €4.5B trading income and €1.7B profit in 2025, with 11 offices globally. A single bug at peer Knight Capital caused a $440M loss.
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