Sean Fitzpatrick
Technical Lead at TripStack
Old Toronto, Ontario, Canada
Summary
👤
Senior🎓
Top SchoolSean Fitzpatrick is a Technical Lead with a decade of experience who transitioned from materials engineering and construction into web development, bringing a practical, process-driven mindset to software teams. He has a track record of improving operational workflows—designing scheduling, estimating, and reporting systems that delivered measurable labor and material savings in manufacturing—now applied to building reliable web products at TripStack. As a full‑stack contributor to the PreTeXt publishing system, he enhanced both HTML and LaTeX outputs and added advanced image and WebGL/Asymptote support, demonstrating an appreciation for scholarly publishing and complex build outputs. Sean blends hands‑on coding with technical leadership, mentoring junior developers while shipping features end-to-end. He holds formal web development training from Lighthouse Labs and executive education in entrepreneurial leadership, pairing engineering rigor with product awareness. Based in Old Toronto, he offers a unique perspective that combines field-level construction insights, math instruction experience, and open-source contributions.
10 years of coding experience
4 years of employment as a software developer
Executive Education, Entrepreneurial Leadership and Innovation, Executive Education, Entrepreneurial Leadership and Innovation at Dalhousie UniversityWeb Development Bootcamp - Immersive, Web Development Bootcamp - Immersive at Lighthouse Labs
English, French
Github Skills (10)
latex10
xslt10
authorization9
auth9
authorize9
publish9
authorizations9
html9
authorisation9
textbook9
Programming languages (13)
Github contributions (5)
PreTeXtBook/pretext
Jun 2019 - Aug 2022
PreTeXt: an authoring and publishing system for scholarly documents
Role in this project:
Full-stack Developer
Full-stack DeveloperContributions:1 review, 22 commits, 32 PRs in 3 years 1 month
Contributions summary:Sean primarily contributed to the styling and functionality of the PreTeXt publishing system, focusing on both HTML and LaTeX output. Their work included adding support for Asymptote image integration, including WebGL output, and enabling features like links to full-size images and enhanced privacy settings for embedded videos. They also made adjustments to the LaTeX output, including fixes to Beamer.
stempublishingpdfpretexttextbook
ULeth-Math-CS/APEXCalculusPTX
Oct 2023 - Mar 2024
In-progress conversion of APEX Calculus to PreTeXt
Contributions:121 reviews, 28 PRs, 38 pushes in 5 months
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