John Gozde
Senior Staff Software Engineer at Imply
Calgary, Alberta, Canada
Summary
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Rockstar🎓
Top SchoolJohn Gozde is a Senior Staff Software Engineer in Calgary with 13 years of experience leading UI engineering teams and shipping robust web platforms. He specializes in design systems, SPA/MPA architecture, multi-tenant services, build tooling, end-to-end test platforms, and CI pipelines, and has driven platform and product work across multiple product verticals. At Imply he led the Polaris UI launch, architected the company's first multi-tenant Node.js service, and migrated monorepo pipelines to GitHub Actions with turborepo caching. A frequent open-source contributor, he has improved testing and performance in well-known projects like react-window and Apache Druid and expanded jest-dom’s test coverage to handle SVG and edge cases. He has a practical obsession with developer tooling—authoring esbuild plugins and tooling to speed builds and developer feedback loops. Colleagues rely on him to raise engineering standards around usability, accessibility, performance, and testability while mentoring teams through technical transitions.
13 years of coding experience
17 years of employment as a software developer
Bachelor of Science (BSc) Software Engineering, Bachelor of Science (BSc) Software Engineering at University of Calgary
Stackoverflow
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Github Skills (22)
typesc10
blueprint10
javascript10
testing10
typescript10
eslint10
type-definition10
type-system10
testing-library10
dom10
jestjs10
typescript-types10
typescripts10
react10
css9
Programming languages (12)
Github contributions (5)
testing-library/jest-dom
Jul 2018 - Jan 2020
:owl: Custom jest matchers to test the state of the DOM
Role in this project:
QA Engineer / Test Automation Engineer
QA Engineer / Test Automation EngineerContributions:14 reviews, 8 commits, 15 PRs in 1 year 6 months
Contributions summary:John's contributions primarily focused on enhancing and expanding the test suite for the `jest-dom` library. They added tests to cover new features, like support for SVG elements in matchers. They modified existing tests to improve coverage and ensure the correct behavior of various matchers, including `toBeInTheDOM`, `toContainElement`, `toHaveAttribute`, `toHaveClass`, and `toHaveStyle`. The user also updated the tests to accommodate changes in the library's API and to ensure consistent behavior for different scenarios, including edge cases and negative testing.
jsdomowljestcustom-jest-matcherstesting
DefinitelyTyped/DefinitelyTyped
Oct 2017 - Jan 2020
The repository for high quality TypeScript type definitions.
Role in this project:Front-end Developer
Front-end DeveloperContributions:18 reviews, 15 commits, 11 PRs in 2 years 3 months
Contributions summary:John primarily contributed to the type definitions for the `react-window` library, updating existing definitions, adding new properties for the `List` and `Grid` components, and incorporating a new "smart" align option. They also updated tests for refs and added testing library functionalities. These changes demonstrate a focus on improving the developer experience and ensuring type safety for users of the `react-window` library.
typescript-definitionstype-definitionshigh-qualitydtsdefinitions
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