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Oliver Ullman — Backend Development freelancer in Boulder
@oliver-ullmanEstimated
Boulder, CO, United States
Oliver is a React expert who has worked with high-profile clients such as Facebook, Chess.com, and Diem and a full-stack developer who brings energy and intelligence to any team he joins. Oliver's clients value his rapid pace of development and high throughput. His love of programming comes from writing clean, elegant, and scalable solutions.
Building — top 7% on LanceRank · 5 verified projects across 1 platform.
At a glance
Oliver Ullman is a Backend Development freelancer based in Boulder with verified Toptal reputation, estimated LanceRank Score 39/100 (Building), last updated 2026-05-27 on LanceRank.
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AlgorithmsFull-stackGatsbyJSCSSJavaScriptGitHub