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Justin Perlman

PROFILE

Justin Perlman

Josh Perlman engineered build and CI/CD improvements for the coreweave/ml-containers repository, focusing on vLLM-tensorizer’s stability, performance, and maintainability. He implemented a multi-stage Docker build to produce lean images, aligned base images and environments across CUDA and PyTorch variants, and resolved complex dependency and compatibility issues. Using Dockerfile, Python, and CMake, Josh automated build processes, introduced custom Triton build steps, and tuned build parameters for optimal speed and reliability. His work addressed 23 bugs and delivered 12 new features, demonstrating depth in build automation, containerization, and DevOps, while ensuring robust, reproducible builds for machine learning container workflows.

Overall Statistics

Feature vs Bugs

34%Features

Repository Contributions

46Total
Bugs
23
Commits
46
Features
12
Lines of code
374
Activity Months1

Work History

June 2025

46 Commits • 12 Features

Jun 1, 2025

June 2025 monthly wrap-up for coreweave/ml-containers focusing on vLLM-tensorizer build stability, performance, and maintainability. Highlights include CI/build pipeline improvements, a lean multi-stage Docker image, and proactive dependency/compatibility work across CUDA and PyTorch variants.

Activity

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Quality Metrics

Correctness91.4%
Maintainability94.0%
Architecture90.0%
Performance84.0%
AI Usage20.0%

Skills & Technologies

Programming Languages

CMakeDockerfileGitPythonShellYAML

Technical Skills

Base Image ManagementBuild AutomationBuild EngineeringBuild System ConfigurationBuild SystemsCI/CDCI/CD ConfigurationCUDAContainerizationDependency ManagementDevOpsDockerDockerfileGitHub ActionsNCCL

Repositories Contributed To

1 repo

Overview of all repositories you've contributed to across your timeline

coreweave/ml-containers

Jun 2025 Jun 2025
1 Month active

Languages Used

CMakeDockerfileGitPythonShellYAML

Technical Skills

Base Image ManagementBuild AutomationBuild EngineeringBuild System ConfigurationBuild SystemsCI/CD

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