Brian Cristante
Software Engineer at Instagram
New York, New York, United States
Summary
🤩
Rockstar🎓
Top SchoolBrian Cristante is a software engineer with 11 years of experience building reliable CI/CD and developer tooling at scale, currently working at Instagram after a multi-year tenure leading engineering efforts at GitHub and Microsoft. He combines hands-on full-stack development with DevOps expertise—improving workflows for projects like actions/setup-python and the widely used pip installer—while also contributing infrastructure and test reliability improvements to Azure Pipelines tasks. Known for refactoring and optimizing build systems, Brian moves between code, automation, and managerial responsibilities, briefly taking on staff engineering management at GitHub before returning to individual contributor work. He holds an MS in Computer Science and a BS in Mathematics from UNC Chapel Hill, and brings a pragmatic, detail-oriented approach exemplified by frequent CI/CD and GHES integrations and build optimizations.
11 years of coding experience
8 years of employment as a software developer
Master of Science - MS Computer Science, Master of Science - MS Computer Science at University of North Carolina at Chapel Hill
Stackoverflow
841reputation
68kreached
5answers
0questions
language-agnostic
top-5%
algorithm
top-5%
Github Skills (31)
github-ci10
typescript10
xamarin10
cicd10
build-automation10
typescript-types10
yaml10
azure-pipelines10
typescripts10
githubaction-workflow10
msbuild9
algorithm9
unit-testing9
language-agnostic9
python8
Programming languages (13)
Github contributions (5)
actions/setup-python
Dec 2019 - Jun 2022
Set up your GitHub Actions workflow with a specific version of Python
Role in this project:
DevOps Engineer
DevOps EngineerContributions:83 reviews, 19 commits, 29 PRs in 2 years 6 months
Contributions summary:Brian primarily focused on improving and maintaining the build and deployment infrastructure for the `actions/setup-python` repository. Their contributions involved refactoring and optimizing the GitHub Actions workflow. They also made changes to the deployment setup and addressed issues related to the GitHub Enterprise Server (GHES) integration. This user also appears to be making code formatting updates based on terminology updates.
github-actions-workflowpythonworkflow-actionsset-upworkflow
microsoft/azure-pipelines-tasks
Dec 2017 - Mar 2019
Tasks for Azure Pipelines
Role in this project:Full-stack Developer
Full-stack DeveloperContributions:294 commits, 146 PRs, 242 pushes in 1 year 3 months
Contributions summary:Brian primarily focused on refactoring and improving the Xamarin iOS build task. They updated the codebase by changing `let` to `const` where appropriate. The user also expanded the wildcard patterns to find a single solution file and added unit tests to the project, which improved the reliability of the builds. In addition, the user also removed some spurious files and updated existing test cases to fix some broken tests.
azure-pipelineswindowsazurepipelinesazure-devops
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