Giancarlos Castillo
Staff Software Engineer at Expressable
Santo Domingo, Distrito Nacional, Dominican Republic
Summary
👤
Senior🎓
Top SchoolGiancarlos Castillo is a Staff Software Engineer with a decade of experience building user-focused, performant web applications, currently driving technical initiatives at Expressable to support speech therapy patients and clinicians. He specializes in React, TypeScript, Jest and AWS, and has a track record of improving developer productivity through CI/CD, TDD, feature flags and modern bundling, which cut rollback rates and build times at previous roles. He combines hands-on delivery with mentorship and architectural guidance, having led monorepo migrations and implemented testing frameworks that raised product robustness. As a co-founder of a small dev shop, he also brings entrepreneurial experience shipping e-commerce and custom desktop solutions for SMBs. Based in Santo Domingo, he pairs practical engineering discipline with a creative, self-directed mindset—"master of my own ship"—that surfaces in both team leadership and product-focused design.
10 years of coding experience
7 years of employment as a software developer
Ingeniería de software, Ingeniería de software at Universidad APECFull Stack Web Development Full Stack Web Development, Full Stack Web Development Full Stack Web Development at freeCodeCamp
Spanish, English, Portuguese
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (145)
starter-kit10
expressjs10
visual-studio10
ascii10
javascript10
nodejs-server10
slugify10
editor10
ligature10
slug10
opentype10
fonts10
electron10
typescript10
vscode-extension10
Programming languages (9)
Github contributions (5)
GianCastle/divoc
Mar 2020 - Aug 2023
🦠A just for fun Covid monitor web but better (no Typescript)
Contributions:31 PRs, 12 pushes, 3 branches in 3 years 5 months
reactmonitorweb-monitortrackerlodash
GianCastle/giancastle-blog
Dec 2019 - Jun 2020
Personal website where I shared my thoughs on many topics.
Contributions:77 commits, 62 pushes, 3 branches in 5 months
gastbyjamstack
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