José Gilgado
Founder at Buffer
Spain
Summary
👤
Senior🎓
Top SchoolJosé Gilgado is a founder and senior full-stack software engineer with 14+ years building high‑traffic systems and APIs used by millions, currently shaping third‑party integrations and a Node.js/TypeScript GraphQL backend at Buffer. He has founded multiple ventures (MatGoat, Planleave) and led product and engineering work across Scala, Ruby on Rails, PHP and modern JS stacks, including a push‑notification system that handled 20k/sec for 700k users. Comfortable across backend, API design and product thinking, he combines hands‑on implementation with UX and requirements analysis to deliver pragmatic, scalable solutions. Based in Spain, he also shares technical writing and reflections publicly at josem.co, showing a habit of turning experience into clear, reusable lessons.
14 years of coding experience
7 years of employment as a software developer
Bachelor of Science - BS, Computer Science, Bachelor of Science - BS, Computer Science at Universidad Rey Juan Carlos
English, Spanish
Github Skills (58)
buffer10
single-page10
big-o10
single-page-application9
laravel9
php9
publish9
xml9
expressive8
kanjivg8
chrome-extension8
strings8
foundation8
atomic-design8
web-application8
Programming languages (7)
Github contributions (5)
josem/bigoref
Oct 2014 - Oct 2019
Big O Reference of common algorithms and data structures
Contributions:25 commits, 2 PRs, 7 pushes in 5 years 1 month
data-structuresalgorithms-and-data-structuresbig-o
josem/jquery.autojump
Nov 2014 - Dec 2017
Contributions:2 releases, 25 commits, 5 pushes in 3 years 2 months
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