.NET Object Mapping: How We Process $2M Worth of Stock Trades Every Minute

Our object mapping strategy couldn’t handle the scale…

It was 9:30 AM on a Monday morning. The stock market had just opened, and our trading platform was processing thousands of orders per second. Suddenly, our monitoring dashboard lit up like a Christmas tree (well, Merry Christmas to you!) Response times were climbing, and memory usage was way out of roof... and you know what! The culprit, Our object mapping strategy couldn’t handle the scale…

If you’ve ever worked on a high-stakes financial application, you know that moment of panic when performance issues threaten to impact real people’s money. I’ve been there, and I’m going to share how we turned our mapping shit into a robust solution that now handles millions of dollars in trades daily.

sip a coffee now!

Real Cost of Bad Mapping

Let me paint you a picture of our fintech world:

public class StockTrade
{
    public int Id { get; set; }
    public string Symbol { get; set; }
    public decimal Price { get; set; }
    public int Quantity { get; set; }
    public…