When you can't afford to guess the right batch size and don't want to pay for that lesson in production
When I designed the persistence layer of a real-time interbank settlement pipeline, I had a problem that many financial systems share: I didn't have a precise estimate of daily order volume. Some days would be normal. Others would be outliers and in a settlement system, ou...
Every exchange has an API. Most of them are bad.
Not broken — just bad in the quiet, invisible way that costs you hours. The response says "side": "buy" but the docs say it should be "BUY". The timestamp is milliseconds on one endpoint and seconds on another. A field is documented as optional but always present...
I have been using AI heavily since around May 2025. These days, I mostly review the code it generates, and I’ve been amazed by how much it has improved compared to the days when we were simply copying snippets from ChatGPT—the one that started it all.
I often hear people say, “This code is garbage,” or “AI writes terrible code,” and so on.
I have to admit that sometimes I feel g...
Warranty registration is one of those workflows that looks simple on a whiteboard and gets weird in production. A customer buys a product, forwards a receipt, types the serial number in the body, maybe attaches a photo of the box, and asks whether the warranty starts on the purchase date or delivery date. Someone on the operations team now has to read the message, check whether the required fie...
The developer role is shifting fast, and WeAreDevelopers World Congress 2026 in Berlin is one of the best places to have that conversation. We are excited to have our Field CTO Guillaume Moigneu on stage on July 9 to dig into what that shift actually means in practice.
His talk, "You don't need to write the code. You need to become a verification architect and prove it's correct...