Valjean 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, Reno
Masters Human-Computer Interaction, Masters Human-Computer Interaction at Uppsala University
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