Ilan Cosman
Software Engineer at Protogon Research
Redwood City, California, United States
Summary
🤩
Rockstar🎓
Top SchoolIlan Cosman is a software engineer with nine years of experience, based in Redwood City, California, currently building autonomous AI-driven trading systems at Protogon Research. He brings full-stack expertise and a penchant for developer tooling, evidenced by significant open-source contributions to the fish shell ecosystem—improving core shell behavior, prompts, and high-utility plugins like fzf.fish. Ilan focuses on performance, usability, and automation: he has implemented faster built-ins, CI integrations, auto-configuration features, and refined prompt color and environment displays. A UC San Diego computer science graduate, he pairs rigorous engineering with hands-on open-source craftsmanship, making small developer-facing improvements that materially boost day-to-day productivity.
9 years of coding experience
Bachelor's degree, Computer Science, Bachelor's degree, Computer Science at UC San Diego Jacobs School of Engineering
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (27)
git10
fzf10
scripting10
command-line-interface10
terminal-emulator10
terminal-application10
prompt10
cicd10
script10
customisation10
customizing10
command-line10
prompting10
sh10
shell10
Programming languages (10)
Github contributions (5)
IlanCosman/tide
Apr 2020 - Sep 2022
🌊 The ultimate Fish prompt.
Role in this project:
Full-stack Developer
Full-stack DeveloperContributions:20 releases, 39 reviews, 1072 commits in 2 years 5 months
Contributions summary:Ilan contributed extensively to the development of the Tide prompt, a project focused on creating a custom Fish shell prompt. Their contributions include implementing core features like the installation script, streamlining colors, and adding functionalities such as showing git status information and the current Python environment. They also refactored code to enhance performance and improve the overall user experience of the prompt by ensuring accurate color printing.
fish-promptfish-pluginpromptfishshell
PatrickF1/fzf.fish
Sep 2020 - Mar 2021
🔍🐟 Fzf plugin for Fish
Role in this project:Full-stack Developer
Full-stack DeveloperContributions:10 reviews, 10 commits, 13 PRs in 5 months
Contributions summary:Ilan primarily contributed to the enhancement and maintenance of the `fzf.fish` plugin. They refactored code for improved efficiency and stylistic consistency, replacing dependencies and built-ins with faster alternatives. Their work included improvements to the command-line interface, file preview functionalities, and CI/CD integration for syntax and format checking. The user also implemented features to improve the plugin's overall usability, focusing on improved history search and command-line repaint behavior.
fzf-pluginfzfclizshfish-shell
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