Software Engineer, Core ComfyUI Contributor

ComfyUI

Core contributor to ComfyUI, a powerful AI creation engine for visual professionals. Drive architecting and implementing clean software abstractions and extensible APIs.

Posted 5/19/2026full-timeRemote • 🇺🇸 United StatesMid-LevelSenior💰 $150,000 - $300,000 per yearWebsite

Tech Stack

Tools & technologies

Node.jsOpen SourcePythonPyTorch

About the role

Key responsibilities & impact

Create a world-class creative tool and workflow engine
Architect and implement foundations that power engineering organization
Write shared abstractions that are extensible for future changes
Design data models evolved in an open source environment
Introduce new core types, such as VIDEO or 3D
Partner with product design and frontend engineers to ship user-facing features

Requirements

What you’ll need

Experience writing Python and maintaining APIs and SDKs used at scale
Regularly write and review code, maintaining a high bar for each
Care deeply about elegant software design and writing clean code
Bonus: Familiar with ComfyUI or other node based workflow tools
Bonus: Strong understanding of tensors, pytorch, and can contribute to implementing new models for ComfyUI

Benefits

Comp & perks

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Hard Skills & Tools

PythonAPIsSDKssoftware designclean codetensorspytorchdata modelscore typesextensible abstractions

Soft Skills

elegance in software designcode reviewcollaborationattention to detail