ComfyUI · 2 days ago
Senior/Staff Backend Engineer
San Francisco, CA
Full-time
Onsite
Senior Level, Lead/StaffComfyUI is the world’s leading visual AI platform, and they are seeking a Senior/Staff Backend Engineer to lead backend initiatives for millions of creatives. The role involves building robust distributed systems, designing scalable data models, and optimizing workflows to enhance the user experience.
Computer Software
Responsibilities
Work with a cross-functional team to quickly ship features, often going from idea to production in days not weeks
Ship features that directly impact millions of ComfyUI users
Help shape our technical direction as we grow
Deploy ComfyUI’s diverse custom nodes written by the open source community in a secure and maintainable way
Write algorithms to schedule a diverse and heterogenous set of workflows on GPU nodes, optimizing for both latency and throughput
Build a notification system from scratch in one week
Qualification
Required
You enjoy having high levels of ownership to ship high quality features
You habitually invent novel solutions to solve hard problems
You've built a great product before, and care about the user experience as much as the engineering behind it
You have a strong understanding of distributed systems and scaled large systems before
Preferred
Are not afraid to deep dive into infrastructure (Kubernetes / Helm) to get things done
Company
ComfyUI
Building ComfyUI
Founded in 2024
11-50 employees
H1B Sponsorship
ComfyUI has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2024 (2)
2022 (8)
2021 (4)
2020 (1)
Funding
Current Stage
Early StageTotal Funding
$17M2025-09-16Series Unknown· $17M
Company data provided by crunchbase