Jack Clark is a Staff Software Engineer with 11 years of hands-on experience building full-stack web applications, currently leading engineering work at EquipmentShare after senior roles at Travelex and NearForm. He specializes in both front-end and back-end development, with a track record of improving test coverage and developer experience—evidenced by his work adding Jest and React Testing Library suites and TypeScript declarations to the popular graphql-hooks client. Comfortable in senior and principal positions, Jack has progressed from year-in-industry intern to director-level engineering at a startup, blending delivery focus with architectural thinking. Based in Ashford, UK, he combines pragmatic engineering discipline with an eye for project structure and tooling that scales across teams. Notably, his open-source contributions show a preference for minimal, well-tested libraries that streamline GraphQL usage in React.
11 years of coding experience
14 years of employment as a software developer
The Norton Knatchbull Grammar School
Computer Science w/ Year in Industry, BSc, Computer Science w/ Year in Industry, BSc at University of Kent
Contributions:20 releases, 37 commits, 106 PRs in 4 months
Contributions summary:Jack's contributions primarily centered on setting up and implementing unit tests for the GraphQL client and related components. They established the test suite using Jest and React Testing Library. The user wrote tests for core components, including `GraphQLClient`, `useQuery`, and `useClientRequest`. Additionally, the user refactored the code by updating the testing library, added TypeScript declaration files, and improved the project structure using Lerna.
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Jack Clark - Staff Software Engineer at EquipmentShare