Ariel Deitcher
Staff Software Engineer at GitHub
Los Angeles, California, United States
Summary
🤩
Rockstar🎓
Top SchoolAriel Deitcher is a Staff Software Engineer in Los Angeles with 11 years of experience building scalable backend systems and leading engineering teams across startups and high-growth companies. At GitHub he contributes to the official cli/cli project, improving pull request merge workflows and adding merge-queue support that enhances developer ergonomics for a widely used open-source tool. He has a strong track record of shipping production Go microservices, architecting high-throughput e-commerce systems that drove multimillion-dollar GMV, and introducing serverless and CI/CD practices at scale. Ariel blends hands-on implementation with people leadership—mentoring engineers, redesigning hiring processes, and creating a culture of focused delivery and clear communication. Outside engineering he trains as an EMT, reflecting a practical, service-oriented mindset and capacity to perform under pressure. He holds a CS degree from Columbia and is known for rapidly turning ambiguous requirements into reliable, maintainable systems.
11 years of coding experience
12 years of employment as a software developer
Project Management, Project Management at UCLA ExtensionBachelor of Science Computer Science (Systems Track), Bachelor of Science Computer Science (Systems Track) at Columbia University
Hebrew, French
Github Skills (6)
github-cli10
git10
go10
command-line-interface9
golang8
github-api7
Programming languages (10)
Github contributions (5)
cli/cli
Apr 2022 - Jan 2023
GitHub’s official command line tool
Role in this project:
Back-end Developer
Back-end DeveloperContributions:95 reviews, 14 commits, 15 PRs in 9 months
Contributions summary:Ariel's contributions center around refactoring and enhancing the merge command functionality within the GitHub CLI. They implemented a warning message for already merged pull requests, and refactored the merge command to support merge queue. These changes indicate a focus on improving the usability and functionality of the tool's pull request management capabilities. The work involves modifying core components related to pull request merging and conflict resolution.
golangcommand-line-toolgocommand-linecli
github/gh-projects
Dec 2022 - Mar 2023
gh-projects
Contributions:5 reviews, 93 commits, 52 PRs in 2 months
gh-extension
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