James Mcdonell
Senior Frontend Engineer II at Appcues
Medellín, Antioquia, Colombia
Summary
👤
Senior🎓
Top SchoolJames Mcdonell is a Senior Frontend Engineer with nine years of experience who transitioned from finance to software to move from insight to implementation. Based in Medellín, he specializes in building robust React and TypeScript web apps, often backed by Firebase and Node, and favors getting architecture and testing right up front. He’s delivered both greenfield features and significant rewrites—improving client-side scheduling logic, modernizing class components to hooks, and introducing CI with Cypress and Jest. Comfortable wearing technical lead and hands-on developer hats, he’s led issue triage, PR reviews, and security rule configurations while working closely with product and design. His background in analytics and economics gives him a data-driven mindset for prioritization and measurable impact.
9 years of coding experience
6 years of employment as a software developer
Honours Degree, Economics, First Class, Honours Degree, Economics, First Class at University of AdelaideBachelor’s Degree, Economics, Bachelor’s Degree, Economics at Universidad Escuela de Administración y Finanzas y Tecnologías
English, Spanish
Stackoverflow
35reputation
17kreached
5answers
4questions
Github Skills (185)
pdf-viewer10
payment10
ratatui10
cli10
git10
pdfjs10
ecommerce-application10
pdf10
constructors10
editor9
linux9
api9
shell9
api-client9
api-platform9
Programming languages (12)
Github contributions (5)
jmcdl/PopRestStore
Nov 2018 - Oct 2019
REST API for eCommerce and an in-browser eCommerce application built with Vue JS
Contributions:46 pushes, 2 branches in 11 months
apivue-jsecommercebrowserjavascript
jmcdl/jmcdl-website
Jul 2022 - Mar 2023
Contributions:12 PRs, 8 pushes, 7 branches in 8 months
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