# Member of Technical Staff — Inference-Multimodal & Diffusion at RadixArk

- Company: RadixArk
- What the company does: RadixArk builds large-scale inference and training systems for the entire AI community, making frontier-level AI infrastructure open and accessible. Backed by Accel.
- Company website: https://www.radixark.ai/
- Type: Startups (AI role)
- Level: Senior
- Location: Palo Alto, CA
- Work setup: On-site
- Pay: $200K to $400K base salary per year (USD)
- Posted: 2026-02-17
- Apply by: 2026-10-08
- Apply: https://job-boards.greenhouse.io/radixark/jobs/4134889009
- Page: https://www.1752.vc/careers/jobs/radixark-member-of-technical-staff-inference-multimodal-and-diffusion/

## About the role

RadixArk is seeking a Member of Technical Staff — Inference-Multimodal & Diffusion to advance the frontier of generative modeling. You will work on cutting-edge diffusion and flow-based models for image, video, and multimodal generation, pushing model quality, efficiency, and scalability. This role combines deep research thinking with strong engineering execution — from designing novel algorithms to training and deploying models at scale.

## What they're looking for

- 5+ years of experience in ML research or applied ML engineering
- Strong expertise in diffusion models or generative models (DDPM, DDIM, latent diffusion, flow matching, etc.)
- Deep understanding of deep learning fundamentals and optimization
- Proven experience training large-scale models on GPUs/TPUs
- Strong proficiency in PyTorch or JAX
- Experience implementing research ideas into working systems

Tags: Member of Technical Staff