Juslen

  • Building a Production Ready Rust SDK: A Practical Guide

    Building a Production Ready Rust SDK: A Practical Guide

    How to design SDKs that developers actually want to use Introduction When I set out to build a Rust SDK for a payment API, I had one clear goal: make it easy for Rust developers to integrate payments into their applications. But “easy” is harder than it sounds. This post walks through the key…

  • Understanding High Frequency Trading Order Books

    Understanding High Frequency Trading Order Books

    What is an Order Book? An order book is the core data structure used by exchanges to match buyers and sellers. Think of it as a live ledger showing all the buy orders (bids) on one side and all the sell orders (asks) on the other side, organized by price. The Two Sides Bids…