Working with big data doesn't always mean big infrastructure. Sometimes, it just takes a few lines of smart code.

In this talk, I'll demonstrate how seemingly minor JavaScript tweaks can lead to dramatic performance improvements - even at massive scale. Through real-world examples, we'll see how choosing the right loop, restructuring a simple object, or avoiding a hidden sync trap can cut execution time by 90% or more.

The talk isn't just for JS developers: whether you're a data engineer, analyst, or someone who reads code but doesn't write it daily - this session will show you how understanding the platform you're working with can eliminate bottlenecks without scaling up hardware.

Expect quick wins, “aha” moments, and a new appreciation for the power of the small stuff.