Jan Guillermo
Software Engineer II at Microsoft
Greater Seattle Area United States
Summary
👤
Senior🎓
Top SchoolJan Guillermo is a Software Engineer II with 11 years of experience building and maintaining large-scale, highly available cloud services for tax processing at Microsoft, handling billions of dollars and hundreds of transactions per second globally. He holds both a BS and MS in Software Engineering from RIT and traces his passion for web development back to elementary school and a selective University of Washington Summer Academy that steered him toward computing. Jan has a track record of delivering accessibility-minded solutions—from an RFID-enabled caption alignment system for live theatre to an accessibility lab—demonstrating attention to inclusive design beyond typical backend concerns. Comfortable across full-stack workflows and regulatory complexity, he ensures services stay reliable and compliant with evolving international tax laws. Based in the Greater Seattle Area, he combines production-scale system engineering with a persistent focus on real-world impact and accessibility.
11 years of coding experience
5 years of employment as a software developer
Master's degree, Software Engineering, Master's degree, Software Engineering at Rochester Institute of Technology
English, American Sign Language
Github Skills (16)
markdown10
markdown-it10
vue10
encryption9
security9
privacy9
javascript9
google-translate-api9
cognitive-services8
e-mail8
audio5
computer-vision5
katex4
accessibility4
react-redux2
Programming languages (4)
Github contributions (5)
JanGuillermo/RawMangaTranslator
Feb 2017 - Nov 2019
This program scans for the text in manga using Computer Vision API from Microsoft's Cognitive Services, then translates the text using Google Translate API.
Contributions:3 PRs, 4 pushes, 1 branch in 2 years 9 months
cognitive-servicescomputer-visiongoogle-translate-api
JanGuillermo/lethal-company-mods
Dec 2023 - Dec 2024
Making Lethal Company accessible for all
Contributions:4 reviews, 41 PRs, 42 pushes in 1 year
Find and Hire Top DevelopersWe’ve analyzed the programming source code of over 60 million software developers on GitHub and scored them by 50,000 skills. Sign-up on Prog,AI to search for software developers.