James Teh
Software Engineer at Canva
Brisbane City, Queensland, Australia
Summary
🤩
Rockstar🎓
Top SchoolJames Teh is a full-stack software engineer with 18 years' experience, currently building products at Canva from his base in Brisbane. He combines electrical and software engineering training with practical industry experience across enterprises like Telstra Purple and Transurban, bringing strengths in data-driven decisioning, cloud engineering and production support. James is a recognized accessibility specialist and tech lead at Mozilla and a long-time contributor to projects such as Gecko and the liblouis braille translator, where he implemented critical UIA text APIs and braille position handling improvements. He excels at turning complex accessibility and edge-case requirements into robust backend solutions, and is equally comfortable shipping front-end features and analytics dashboards. Notably, his background in PLC/SCADA and industrial projects gives him a systems-minded approach to reliability and tooling that informs his software design.
18 years of coding experience
6 years of employment as a software developer
Bachelor’s Degree, Computer Software Engineering, HD, Bachelor’s Degree, Computer Software Engineering, HD at Monash UniversityThe University of MelbourneHigh School, 93.15, High School, 93.15 at Ivanhoe Grammar School
Github Skills (16)
c1710
c-language10
braille10
cprogramming-language10
c1110
gecko10
back-end-development10
text-processing9
text-rendering9
accessibility9
algorithms8
data-structures8
algorithm8
data-structure8
cross-platform6
Programming languages (18)
Github contributions (5)
liblouis/liblouis
Sep 2008 - Jun 2017
Open-source braille translator and back-translator.
Role in this project:
Back-end Developer & Accessibility Specialist
Back-end Developer & Accessibility SpecialistContributions:63 commits, 8 PRs, 19 comments in 8 years 10 months
Contributions summary:James primarily contributed to the back-end logic and functionality of the braille translator, focusing on improvements to the translation engine. They addressed several bug fixes, enhancing the accuracy of character mapping and position handling, especially with respect to cursor placement and contractions. Significant work involved updating position arrays to accommodate the nuances of braille translation, and the introduction of features like the "noUndefinedDots" mode, optimizing the output and handling of edge cases related to braille rendering.
blindbrailletranslationcross-platformaccessibility
mozilla/gecko-dev
Oct 2017 - Jan 2023
Read-only Git mirror of the Mercurial gecko repositories at https://hg.mozilla.org. How to contribute: https://firefox-source-docs.mozilla.org/contributing/contribution_quickref.html
Role in this project:Back-end Developer & Accessibility Specialist
Back-end Developer & Accessibility SpecialistContributions:1082 commits in 5 years 4 months
Contributions summary:James's contributions primarily focused on implementing features related to accessibility within the Mozilla Gecko browser engine. They implemented and refined the UIA (User Interface Automation) text pattern, including methods like `GetText`, `GetSelection`, and `GetVisibleRanges`. The user also worked on integrating custom highlights (text fragments, spelling and grammar errors) and improving handling of selection changes and text input for accessibility tools.
repositoriesfirefoxmercurialgit-mirrormozilla
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