Daniel Schmidt
Lead Engineer at Charlie Tango
Copenhagen, Capital Region of Denmark
Summary
🤩
Rockstar🎓
Top SchoolDaniel Schmidt is a Lead Engineer based in Copenhagen with 11 years of experience building high-performance web and React frontends. At Charlie Tango he has grown from creative Flash developer to leading and scaling a frontend team from 7 to 14 engineers while staying hands-on in code, CI/CD, and DevOps. He drives technical direction with a focus on accessibility, Core Web Vitals, and developer workflows—introducing TypeScript, Jest, and Prettier across projects. An active open-source contributor, Daniel has improved popular tooling like Storybook and maintained a well-regarded react-intersection-observer implementation with Firefox fixes, performance tuning, and React compatibility updates. He combines product-facing UI craftsmanship with backend integration tooling (including tooling to render React inside .NET) and a practical hiring and mentorship approach. Colleagues rely on him for steady technical leadership that balances code quality, performance, and team growth.
11 years of coding experience
15 years of employment as a software developer
Multimediedesigner Flash Development, Multimediedesigner Flash Development at Odense Teknisk Skole
Danish, English
Stackoverflow
36reputation
334reached
1answer
0questions
Github Skills (18)
javascript10
performance-monitor10
react-hooks10
storybook10
ui-components10
component-kit10
performance-analysis10
react10
ui-design9
front-end-development9
uid9
cli9
typescripts8
typescript-types8
typescript8
Programming languages (9)
Github contributions (5)
thebuilder/react-intersection-observer
May 2017 - Jan 2023
React implementation of the Intersection Observer API to tell you when an element enters or leaves the viewport.
Role in this project:
Front-end Developer
Front-end DeveloperContributions:109 releases, 18 reviews, 388 commits in 5 years 9 months
Contributions summary:Daniel primarily contributed to the React implementation of the Intersection Observer API. Their work involved fixing bugs related to intersection ratios in Firefox, optimizing performance, and refactoring the render method to provide more control over the output. They also updated the code to prepare for React 16.3 and fixed linting issues, demonstrating a focus on component stability and code quality. The user further improved the project with the implementation of modern styling, storybook, and documentation updates.
intersection-observerreactviewportintersectionobserver-apiperformance
storybookjs/storybook
May 2016 - Dec 2022
Storybook is the industry standard workshop for building, documenting, and testing UI components in isolation
Role in this project:Front-end Developer
Front-end DeveloperContributions:3 reviews, 19 commits, 8 PRs in 6 years 8 months
Contributions summary:Daniel's commits primarily involve refactoring the codebase to replace the "inquirer" library with "prompts" across multiple files, demonstrating a focus on updating interactive CLI functionalities. They also made changes related to UI components by fixing deprecated ReactDOM.findDOMNode calls and adjusting UI elements with the use of React-resize-detector. Furthermore, the user's contributions include fixing types and merging changes, indicating participation in maintaining code quality and integrating external changes.
storybooktestingui-componentsstyleguidewebpack
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