Fred Carlsen
Full Stack Engineer at Sanity.io
Oslo, Norway
Summary
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RockstarFred Carlsen is a Full Stack Engineer based in Oslo with 14 years of experience building polished front-end experiences and product-focused web applications. He has held senior engineering roles across agencies and startups, and currently contributes at Sanity.io while also working with Superbig AS, blending product engineering with design-minded implementation. Fred’s open-source contributions include front-end work on notable projects like the 0x protocol monorepo and Sanity Studio, where he improved UI components, accessibility of asset workflows, and migrated parts of the codebase to TypeScript and Sanity UI. He’s especially skilled at translating design systems into robust, reusable UI components and improving developer ergonomics around content editing tools. Colleagues describe him as a pragmatic engineer who balances craft with speed, often surfacing small UX details (like SVG loaders and contact modals) that noticeably lift the product experience.
14 years of coding experience
14 years of employment as a software developer
English, Norwegian
Stackoverflow
111reputation
0reached
1answer
0questions
Github Skills (17)
form-builder10
javascript10
typescript10
ui-design10
uid10
front-end-development10
typescript-types10
typescripts10
react10
headlessui9
cms9
headless-browser9
css9
headless-cms9
html9
Programming languages (13)
Github contributions (5)
0xProject/0x-monorepo
Nov 2018 - Jul 2019
0x protocol monorepo - includes our smart contracts and many developer tools
Role in this project:
Front-end Developer
Front-end DeveloperContributions:422 commits, 7 PRs, 4 comments in 7 months
Contributions summary:Fred primarily focused on front-end development within the 0x-monorepo. Their contributions involved implementing new UI components and features for the website, including adding brand colors and styling elements. The user also worked on integrating SVG loaders, adding a new page structure, and enhancing the user interface of the website, especially on the landing page. They also implemented adjustments to the existing header and added a contact modal to improve user experience.
monorepoexchangeethereumblockchain0x-protocol
sanity-io/sanity
Jun 2021 - Dec 2022
Sanity Studio – Rapidly configure content workspaces powered by structured content
Role in this project:Front-end Developer
Front-end DeveloperContributions:3 releases, 187 reviews, 99 commits in 1 year 6 months
Contributions summary:Fred primarily contributed to the form-builder package, focusing on front-end development tasks. Their work involved fixing UI issues, enhancing component features, and refactoring existing code to use Sanity UI and TypeScript. The commits demonstrate the implementation of new features like asset source support, improved drag-and-drop functionality, and updates to preview components. Additionally, the user was involved in migrating components to Sanity UI.
cmsheadlessreactrealtimesanity-studio
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