Hello, World!
I am Alejandro Cabello Jiménez
Posts
Explore my latest articles, technical publications, and conference talks on large-scale backend architecture and Python.
BlogRedis or Valkey? And Now What?
When Redis changed its license and the community forked it into Valkey, every team running Redis had to ask: and now what? What I found digging into it, and the question I now ask of every piece of our stack.
BlogFunding a Python conference the year AI learned to write Python
What it took to fund the first PyConES in Barcelona, in the same year AI learned to write Python, seen from inside the sponsorship team.
BlogPlanting Seeds Looks Easy
Much of an engineer's most valuable work looks trivial from the outside. On choosing the right seed, why it grows in silence, and how Streamlit changed our internal tooling at Perk.
TalksEuroPython 2026
Returning to EuroPython with Alberto Maldonado to share how we cut our flight search engine's execution time from over 4 seconds to under 500 milliseconds by tuning Python's GC, replacing Pydantic with TypedDict, and restructuring how we traverse and parallelize work in AWS Lambda.
Open Sourcegh-inspector: inspect GitHub orgs without cloning
A CLI tool that scans GitHub organizations for dependency versions, CODEOWNERS, and Python version targets, all without cloning a single repo.
BlogHow I Use PyCharm at TravelPerk
JetBrains interviewed me about how I use PyCharm to build the company’s flight search engine.
Experience
A selection of companies and organizations I have worked with, contributing to exciting projects and innovations.
