Jieru Hu
Software Engineer at Meta
Bellevue, Washington, United States
Summary
🤩
Rockstar🎓
Top SchoolJieru Hu is a software engineer with seven years of experience building large-scale distributed systems and AI training/inference infrastructure, now working on Meta’s MSL Training Scheduler. Previously at Microsoft he led critical components of a managed inferencing platform that handles hundreds of millions of core hours and trillions of monthly inference requests, delivering features for fast model updates, secure network isolation, and dramatic cost and latency improvements for LLM hosting. His background spans cloud compute orchestration (Azure Batch), control-plane services, and full-stack engineering across C#, .NET, C++, React and Python. Jieru is an active open-source contributor—adding a Submitit SLURM launcher and structured configs to the widely used Hydra framework—bringing HPC and remote-testing support into ML workflows. He holds triple bachelor’s degrees in Computer Science, Mechanical Engineering and Applied Mathematics from UW–Madison, and often combines research-minded rigor with production-grade engineering. Colleagues describe him as a pragmatic systems builder who surfaces subtle integration gaps between research tooling and cloud-scale operations.
7 years of coding experience
9 years of employment as a software developer
Bachelor’s Degree Computer science, Bachelor’s Degree Computer science at University of Wisconsin-Madison
Chinese, Chinese
Github Skills (5)
slurm10
python10
hydra10
aws9
unit-testing9
Programming languages (2)
Github contributions (5)
hydra-ecosystem/hydra
May 2020 - Jun 2022
Hydra is a framework for elegantly configuring complex applications
Role in this project:
Backend Developer
Backend DeveloperContributions:3 releases, 421 reviews, 200 commits in 2 years
Contributions summary:Jieru implemented a new Submitit SLURM Launcher plugin, enhancing the functionality of the Hydra framework. This involved significant changes to the `submitit_launcher.py` file, which includes core logic for integrating Submitit with SLURM. Additionally, the user structured the configuration of the Submitit launcher, introducing structured configs for improved maintainability. The user's work adds support for remote testing and introduces improvements to the AWS launcher.
pytorch-lightningcomplex-applicationsframeworkhydra
jieru-hu/hydra
Mar 2020 - May 2022
Hydra is a framework for elegantly configuring complex applications
Contributions:3 PRs, 863 pushes, 338 branches in 2 years 2 months
complex-applicationsframeworkhydramodular
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