Juan Sánchez
Staff Software Engineer at Recharge
Medellín, Antioquia, Colombia
Summary
👤
Senior🎓
Top SchoolJuan Sánchez is a Staff Software Engineer based in Medellín with 11 years of experience building reliable subscription commerce infrastructure at Recharge and earlier driving front-end and backend improvements across startups. He combines full-stack fluency (React, GraphQL, Ruby on Rails, Python/Django, Node) with a strong testing and performance mindset—having led migrations to React Testing Library, raised test coverage from 30% to 80%, and cut a real-time engine’s memory and CPU usage by over 90% and 80% respectively. Juan has a track record of mentoring teams, introducing testing culture, and making pragmatic architecture decisions that improve maintainability and scalability. He’s comfortable spanning UI, API and data-visualization challenges, and often champions measurable quality improvements that reveal non-obvious gains in operational efficiency.
11 years of coding experience
9 years of employment as a software developer
Pregrado, Ingeniería informática, Pregrado, Ingeniería informática at Politécnico Colombiano 'Jaime Isaza Cadavid'
English, Spanish
Stackoverflow
1reputation
0reached
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Github Skills (131)
datetime10
web-application10
ui-components10
experiences10
windows10
http10
remix10
svg10
node-red10
web-development10
fundamentals10
javascript10
linux10
html10
js10
Programming languages (9)
Github contributions (5)
ubidots/ubidots-nodered
Apr 2018 - Oct 2020
Node-RED node used to interact with Ubidots API.
Contributions:2 reviews, 39 commits, 13 PRs in 2 years 6 months
apinode-redmqttinteractmqtt-client
Smithtekpty/smithtek-nodered
Aug 2018 - Sep 2020
Node-RED node to send or receive data from the SmithTek platform
Contributions:1 review, 3 PRs, 9 pushes in 2 years
nodejsreceivenode-red
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