Marco Link
Senior Engineer at Freelancer
Berlin, Germany
Summary
🤩
RockstarMarco Link is a Senior Engineer based in Berlin with 18 years of hands-on web development experience spanning Flash-era interactive projects to modern TypeScript tooling. At Contentful he has driven migrations of core libraries to TypeScript, fixed build and browser-compatibility issues (including IE11), and improved developer experience across contentful.js and migration tooling. He combines full-stack fluency with a pragmatic focus on robustness—adding integration tests, better typings, and configurable fetch limits to improve scalability and correctness. A long-time freelancer and former game-studio senior developer, he brings both product-facing intuition and deep engineering craftsmanship to open-source and production systems.
18 years of coding experience
13 years of employment as a software developer
English
Stackoverflow
11reputation
215reached
1answer
1question
Github Skills (20)
babel610
javascript10
testing10
typescript10
contentful10
sdk10
chai10
typescript-types10
babel-core10
babeljs10
typescripts10
apidoc9
build-automation9
api9
nodejs9
Programming languages (11)
Github contributions (5)
contentful/contentful-migration
Jul 2020 - Jul 2022
🚚 Migration tooling for contentful
Role in this project:
Full-stack Developer
Full-stack DeveloperContributions:31 reviews, 10 commits, 41 PRs in 2 years
Contributions summary:Marco made several contributions to the contentful-migration repository, primarily focused on enhancing the migration tooling. They implemented a feature to configure the per-request limit, improving the fetching process. Furthermore, the user addressed issues with entry publishing, ensuring that the 'preserve' setting accurately reflects the entry's state, especially when there are unpublished remote changes. In addition, they added support for public tags and improved the type definitions. Finally, they added an integration test for default values.
contentfulmigrationtooling
contentful/contentful.js
Apr 2020 - Jan 2023
JavaScript library for Contentful's Delivery API (node & browser)
Role in this project:Full-stack Developer
Full-stack DeveloperContributions:3 releases, 99 reviews, 67 commits in 2 years 10 months
Contributions summary:Marco primarily focused on improving the codebase by fixing build issues and migrating it to Typescript. They addressed compatibility problems with older browsers like IE11, and also refactored and improved the build configuration. Furthermore, they converted unit tests to Typescript and updated several integration tests. The user also made enhancements to the type definitions and API to improve developer experience.
contentfulapijavascript-librarybrowserjavascript
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