Jonathan Feliciano - Software Architect at Slalom

Jonathan Feliciano

Software Architect at Slalom

Guadalajara, Jalisco, Mexico

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Summary

👤

Senior

🎓

Top School

Jonathan Feliciano is a software architect with 11 years of experience specializing in modern JavaScript frontends, particularly React, Next.js, and TypeScript, and a strong track record building scalable design systems and accessible UIs. He has led cross-functional efforts to improve product quality and developer velocity—revamping design systems, establishing testing standards, and introducing analytics and accessibility tooling at companies like Cerby, Human API, and Wizeline. Jonathan pairs hands-on frontend work (including contributions to open-source contest platform omegaUp) with full-stack understanding from earlier roles modernizing legacy apps and backend APIs. A Telematics Engineering graduate and long-time competitive programming mentor and tutor, he brings a discipline for clean architecture and performance optimization to product-focused teams. Now based in Guadalajara, he blends consulting and in-house experience to deliver maintainable UI systems that scale across large teams.

11 years of coding experience

11 years of employment as a software developer

Bachelor's degree, Telematics Engineering, Bachelor's degree, Telematics Engineering at Universidad del Caribe (MX)

English, Spanish

Stackoverflow

Stats

56reputation

3kreached

4answers

0questions

Github Skills (17)

javascript10

front-end-development10

codemirror10

vue-jsx10

css9

responsive-design9

sass9

html9

frontend6

react6

styled-components6

laravel6

axios6

algorithm6

Programming languages (7)

TypeScriptCSSSCSSJavaScriptVuePHPPython

Github contributions (5)

omegaup/omegaup

Apr 2018 - Dec 2018

omegaUp automatic programming contest evaluator & arena

Role in this project:

Front-end Developer

Contributions:10 reviews, 7 commits, 18 PRs in 7 months

Contributions summary:Jonathan primarily contributed to the front-end of the application, focusing on improving the user interface and experience. Their work includes adding features such as a code editor component using CodeMirror, enabling the ability to copy input examples, and refactoring UI elements for better usability. They also worked on fixing issues related to component properties and updating the application's responsiveness and design, demonstrating a focus on user-facing functionality.

pythonarenacontest-programmingevaluatorautomatic-programming

imjpfeliciano/imjpfeliciano.github.io

Nov 2019 - Feb 2025

Landing page - JPFeliciano

Contributions:73 PRs, 172 pushes, 82 branches in 5 years 3 months

cssjavascriptlinksnextjsreact

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