Ultra-low latency C++20 Smart Order Router for crypto perpetuals. Features an O(N) K-way merge phase that eliminates std::sort, pure-integer greedy allocation, and regime-aware dynamic latency penalties based on volatility and book imbalance. Zero heap allocations and exception-free.

Smart order router achieving 74% fill improvement | Real-time latency tracking | 8 venues | 87% improvement under stress

VALEN S4: Production algorithmic trading system for Hyperliquid DEX. 3-layer architecture, 11 sleeves, 4,376 tests, 900+ PRs. Live on mainnet. Clean Architecture, AI-augmented development, hypothesis-driven research.