Engineering

Over the course of a year, GitHub’s engineers make millions of commits across all of our internal repositories, process billions of API requests, and run tens of thousands of deployments across the internal apps that power GitHub’s services. We use many of GitHub’s products and plenty of other open source tools to operate at this scale. Here’s an inside look into how we do it.

Featured

How engineers can use one-on-ones with their manager to accelerate career growth

Go beyond status updates and use these meetings to surface challenges, solve problems, and drive impact.

IssueOps: Automate CI/CD (and more!) with GitHub Issues and Actions

A look into building IssueOps workflows on GitHub to do everything from CI/CD to handling approvals and more.

Finding leaked passwords with AI: How we built Copilot secret scanning

Passwords are notoriously difficult to detect with conventional programming approaches. AI can help us find passwords better because it understands context. This blog post will explore the technical challenges we faced with building the feature and the novel and creative ways we solved them.

How to debug code with GitHub Copilot

GitHub Copilot can streamline your debugging process by troubleshooting in your IDE, analyzing pull requests, and more, helping you tackle issues faster and more robustly.

Latest

How GitHub uses CodeQL to secure GitHub

How GitHub’s Product Security Engineering team manages our CodeQL implementation at scale and how you can, too.

Considerations for making a tree view component accessible

A deep dive on the work that went into making the component that powers repository and pull request file trees.

Breaking down CPU speed: How utilization impacts performance

The Performance Engineering team at GitHub assessed how CPU performance degrades as utilization increases and how this relates to capacity.

How to make Storybook Interactions respect user motion preferences

With this custom addon, you can ensure your workplace remains accessible to users with motion sensitivities while benefiting from Storybook’s Interactions.

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GitHub Enterprise Cloud with data residency: How we built the next evolution of GitHub Enterprise using GitHub

How we used GitHub to build GitHub Enterprise Cloud with data residency.

The ultimate guide to developer happiness

Five actionable tips and strategies to supercharge developer happiness—and a more innovative workplace.

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How GitHub supports neurodiverse employees (and how your company can, too)

Teams with neurodivergent employees can be up to 30 percent more productive. Discover tips on how best to support them in your workplace.

How we improved availability through iterative simplification

Solving and staying ahead of problems when scaling up a system of GitHub’s size is a delicate process. Here’s a look at some of the tools in GitHub’s toolbox, and how we’ve used them to solve problems.

Exploring the challenges in creating an accessible sortable list (drag-and-drop)

Drag-and-drop is a highly interactive and visual interface. We often use drag-and-drop to perform tasks like uploading files, reordering browser bookmarks, or even moving a card in solitaire.

How we improved push processing on GitHub

Pushing code to GitHub is one of the most fundamental interactions that developers have with GitHub every day. Read how we have significantly improved the ability of our monolith to correctly and fully process pushes from our users.

How GitHub reduced testing time for iOS apps with new runner features

Learn how GitHub used macOS and Apple Silicon runners for GitHub Actions to build, test, and deploy our iOS app faster.

How we’re building more inclusive and accessible components at GitHub

We’ve made improvements to the way users of assistive technology can interact with and navigate lists of issues and pull requests and tables across GitHub.com.

Empowering accessibility: GitHub’s journey building an in-house Champions program

As part of GitHub’s dedication to accessibility, we expanded our internal accessibility program and scaled up our assessment process to help remove or lower barriers for users with disabilities. Then, we empowered employees from various disciplines to drive accessibility efforts within their teams.