Jack Kavanagh
Staff Software Engineer at Kong Inc.
Amsterdam, North Holland, Netherlands
Summary
🤩
Rockstar🎓
Top SchoolJack Kavanagh is a Staff Software Engineer based in Amsterdam with 11 years of experience specializing in cross-platform applications, particularly Electron and React Native. He currently leads core development and modernization efforts for Insomnia at Kong, improving Electron tooling, HTTP and WebSocket features, and developer-facing UX like tag editors and autocomplete. A pragmatic full‑stacker, Jack contributes concise, high-utility JavaScript to prominent open-source projects—including one-line utility collections and feature work in the widely used Insomnia API client. He combines product-focused bug fixes with architectural modernization, ensuring tooling stays robust across desktop and mobile environments. Jack’s background in practical IT education and a BSc from the University of Hull underpins a hands-on approach to shipping reliable developer tools. Colleagues would note his knack for simplifying complex UI/UX concerns into small, high-impact code changes.
11 years of coding experience
BSc (Hons), BSc (Hons) at University of HullBTEC ND IT practitioners, BTEC ND IT practitioners at Truro College
Dutch, English, chinese (中文)
Stackoverflow
582reputation
223kreached
22answers
0questions
Github Skills (28)
javascript10
api-client10
api10
react10
typescript9
typescript-types9
front-end-development9
nodejs9
typescripts9
graphql8
http-client8
wordpress-graphql8
wpgraphql8
api-design8
electron8
Programming languages (21)
Github contributions (5)
Kong/insomnia
Aug 2021 - Jan 2023
The open-source, cross-platform API client for GraphQL, REST, WebSockets, SSE and gRPC. With Cloud, Local and Git storage.
Role in this project:
Full-stack Developer
Full-stack DeveloperContributions:1055 reviews, 194 commits, 1313 PRs in 1 year 4 months
Contributions summary:Jack made contributions focused on enhancing the Insomnia API client. They were involved in fixing bugs and improving the functionality of the tag editor and autocomplete features within the application. The user also worked on updating wording related to the Dev Portal and integrating the sync button and component library buttons with the appropriate themes. Additional work included adding a missing text xpath type handler and removing a convenience bundle.
grpcgraphql-restrest-apiapi-clientapi
wzhouwzhou/one-line-wonders
Oct 2018 - Oct 2019
OneLineWondersCode | 1000+ Commits | 279/300 One Liners | 200+ Forks | Actively maintained open-source collection of "one-line" programs performing various tasks in different languages
Role in this project:Full-stack Developer
Full-stack DeveloperContributions:9 commits, 12 PRs, 1 comment in 11 months
Contributions summary:Jack primarily contributed JavaScript one-liners to the repository. They added functions such as `memoize`, `isPrime`, `getFrequency`, `isOdd`, `isEven`, and `hex2rgb`. The user also refactored code and included a `shuffle` function, enhancing the collection of concise JavaScript programs. Their work is focused on providing utility functions for various tasks.
pythonc-programmingpowershellhaskelljavascript
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