Juan Pernia
Frontend Engineer at Amazon
Dublin, Ireland
Summary
👤
Senior🎓
Top SchoolJuan Pernia is a Frontend Engineer with over 10 years of experience, currently improving global hourly hiring experiences at Amazon's PXT team. He specialises in turning complex UIs into streamlined, high-conversion journeys—evidenced by simplifying a pre-hire appointment flow from ~1200 options to two steps and enabling availability-driven applications that increased hires. Comfortable across React, NestJS and legacy stacks, he has built reusable component libraries and performant interactive tools for large enterprises like Bank of Ireland and high-traffic Amazon services serving 250k+ users at peak. His background combines hands-on front-end architecture, UX design, and product-minded ownership from startups to banking and e-commerce, plus early entrepreneurial experience co-founding a language-course marketplace. Based in Dublin, he blends design sensibility with pragmatic engineering to reduce friction and measurably improve user outcomes.
11 years of coding experience
9 years of employment as a software developer
Bachelor's degree in Business Administration, Majoring in: Information Technology, Business management, IT project management, Agile methodologies, Computer Science, 17/20, Bachelor's degree in Business Administration, Majoring in: Information Technology, Business management, IT project management, Agile methodologies, Computer Science, 17/20 at Universidad Católica del TáchiraTeaching in Higher Education, Education, Teaching in Higher Education, Education at Universidad Pedagógica Experimental Libertador
English, Spanish
Github Skills (14)
javascript8
css8
html8
lorem-ipsum8
compiler7
commonjs7
react6
markdown5
remark5
zero-configuration4
jquery-plugin4
commonmark3
caching2
wordpress2
Programming languages (3)
Github contributions (5)
juanrules/workoutteim
Apr 2020 - Feb 2026
A workout timer
Contributions:15 pushes, 9 branches, 6 tags in 5 years 10 months
workouttimerreact
juanrules/father-ted-ipsum
Feb 2020 - Sep 2021
A random text generator based on Channel 4 Father Ted show's scripts
Contributions:1 release, 13 commits, 6 PRs in 1 year 7 months
father-tedtedjavascriptrandom-textlorem-ipsum-generator
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