Simon Hoejberg
FrontEnd & DX Lead at Unison Computing
Boston, Massachusetts, United States
Summary
🤩
RockstarSimon Hoejberg is a FrontEnd & DX Lead based in Boston with 16 years of experience building user-facing systems and developer experiences. He blends practical front-end craftsmanship—React, JavaScript, CSS tooling—with backend understanding from contributing to projects like the Unison programming language server. A track record of senior engineering and architecture roles (Upserve, Salsify, Mirah) shows he moves between hands-on implementation and shaping developer workflows. He writes about collaboration and functional programming, and maintains small, focused OSS utilities such as a CSS arrow generator that reveal his attention to interface detail. Colleagues rely on him to simplify complex UIs and to bridge product, design, and platform concerns. Outside work he mixes engineering with writing and food, bringing a thoughtful, human-centered perspective to technical leadership.
16 years of coding experience
16 years of employment as a software developer
Danish, English
Github Skills (9)
css10
programming-language10
javascript10
api10
jquery10
haskell10
api-design10
documentation9
html9
Programming languages (19)
Github contributions (5)
hojberg/cssarrowplease
Mar 2012 - Jul 2022
Generate CSS tooltip arrows
Role in this project:
Front-end Developer
Front-end DeveloperContributions:97 commits, 5 PRs, 11 pushes in 10 years 6 months
Contributions summary:Simon primarily contributed to the front-end development of the project, specifically focusing on the creation and styling of CSS arrows. Their work involved implementing Javascript code for the models and views related to the arrow generation. The user also worked on styling and configuring the application's UI, including the integration of color pickers and copy-to-clipboard functionality. This user was responsible for creating the necessary components to generate and display CSS arrows.
arrowscssjavascripttooltip-arrowcss-arrow
unisonweb/unison
Mar 2021 - Jan 2023
A friendly programming language from the future
Role in this project:Back-end Developer
Back-end DeveloperContributions:94 reviews, 116 commits, 82 PRs in 1 year 10 months
Contributions summary:Simon primarily contributed to the Unison codebase server, focusing on improving the API, correcting parsing of parameters and resolving inconsistencies with the data being handled. They refactored the codebase by replacing and merging different variants to preserve data, and they updated the codebase server token to be a simplified version using NanoID. In addition, the user added a new endpoint for fetching the details of a namespace, added code to render documentation as html, and integrated a command line user interface for opening the Codebase UI.
haskellcompilerdistributed-systemsunisonunison-language
Find and Hire Top DevelopersWe’ve analyzed the programming source code of over 60 million software developers on GitHub and scored them by 50,000 skills. Sign-up on Prog,AI to search for software developers.