Valjean Clark
Software Engineer at Sierra
San Francisco, California, United States
Summary
👤
Senior🎓
Top SchoolValjean Clark is a software engineer with 11 years of experience based in San Francisco, blending product, design, and engineering to ship performant web applications. He’s currently building at Sierra after roles leading product design and engineering at LightStep and contributing to performance-critical mapping and UI work at Remix and New Relic. Valjean excels at bridging design and code—starting his career as an interaction designer and later driving shared component libraries, complex SPAs, and performance optimizations. He’s also an independent product builder who took time to prototype Composer and other ideas while backpacking major trails, showing a restless curiosity for both technical and real-world exploration. His background includes HCI graduate work from Uppsala and a broad undergraduate engineering foundation, which inform his user-focused, system-aware approach. Outside work he’s navigated significant physical rehab, a detail that underscores persistence and disciplined problem-solving.
11 years of coding experience
8 years of employment as a software developer
Bachelor of Engineering - BE, Computer Science, Mechanical Engineering, Mathematics, Game Engineering, Spanish, Bachelor of Engineering - BE, Computer Science, Mechanical Engineering, Mathematics, Game Engineering, Spanish at University of Nevada, RenoMasters, Human-Computer Interaction, Masters, Human-Computer Interaction at Uppsala University
English
Github Skills (61)
webgl10
zero-configuration10
type-inference10
schema-validation10
mapbox-gl-js10
mapbox-gl10
gulp-plugin10
gulp10
typescript10
redux10
build-tools10
data-visualization10
developer-tools10
create-react-app10
react10
Programming languages (3)
Github contributions (5)
purifycss/gulp-purifycss
Jul 2015 - Jul 2024
Removed unused CSS with the gulp build tool
Contributions:2 PRs in 9 years
cssgulp
vbud/vbud.github.io
Apr 2015 - Nov 2020
Contributions:32 pushes, 5 branches in 5 years 8 months
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