PyCon UK 2025

Aastha

Aastha is a Software Engineer at Bloomberg in London, where she works on scalable search systems for the company’s AI-powered research platform, Document Search (or DS <GO>). She has been using Python for over six years and loves applying it to real-world problems. Outside of work, you’ll find her playing badminton, running, or exploring hiking trails.


Session

09-20
14:00
25min
Why Your Async Code Might Be Slower — and How to Fix It
Aastha

Asyncio has become one of Python’s most popular libraries for writing fast, scalable applications. But sometimes, using async can actually make programs slower.
This talk explores common asyncio mistakes, how misunderstanding I/O-bound vs. CPU-bound tasks hurts performance, and practical patterns for writing efficient async code.

Space 2