Notes on low-latency systems, trading infrastructure, and capital markets technology.https://rueishi.dev/en-ushttps://rueishi.dev/posts/engineering-an-institutional-hft-system/https://rueishi.dev/posts/engineering-an-institutional-hft-system/An architectural tour through the design decisions, critical factors, and engineering techniques that distinguish an institutional-grade trading platform from a hobby trading bot — illustrated by NitroJ Exchange (NitroJEx), a Java 21 low-latency cryptocurrency trading platform.Wed, 29 Apr 2026 00:00:00 GMThttps://rueishi.dev/posts/the-pragmatic-engineers-guide-to-low-latency-java/https://rueishi.dev/posts/the-pragmatic-engineers-guide-to-low-latency-java/Deterministic systems matter in the T+0 era. What senior Java engineers must unlearn from enterprise practice, what they must learn from mechanical sympathy, and how a concrete crypto market-data gateway brings those ideas to life.Mon, 13 Apr 2026 00:00:00 GMT