Sergio Collado
Madrid, Community of Madrid, Spain
Summary
👤
SeniorSergio Vázquez is a CTO and co‑founder with a decade of hands‑on experience building SaaS and web applications across the full stack using MongoDB, Express, React, and Node.js. He combines entrepreneurial grit—having founded and led hardware and e‑commerce ventures—with professional roles at product companies like Adevinta, Fintonic and IKEA, where he focused on scalable front‑end architectures and CI/CD-driven delivery. As a self‑taught, continuous learner he moves comfortably between coding, technical leadership and product thinking, and has repeatedly taken startups from concept to revenue. Based in Luxembourg, he also freelances as a full‑stack engineer, bringing practical CRO and client‑facing experience to projects. Outside work he channels creativity into music, photography and gastronomy, which informs a pragmatic but design‑aware approach to UX and engineering.
10 years of coding experience
Stackoverflow
31reputation
2kreached
0answers
1question
Github Skills (29)
sui9
js8
html8
web-components8
apply8
dom8
solve8
css8
object-oriented-programming8
javascript8
react-components8
dom-element8
instagram8
coffeescript8
bootstrap7
Programming languages (4)
Github contributions (5)
IronSRA/el-viajero
Feb 2020 - Apr 2020
Contributions:80 commits, 49 pushes in 2 months
SergioColladoV/SergioColladoV
Nov 2020 - Jul 2022
Contributions:3 pushes, 1 branch in 1 year 7 months
Find and Hire Top DevelopersWe’ve analyzed the programming source code of over 60 million software developers on GitHub and scored them by 50,000 skills. Sign-up on Prog,AI to search for software developers.