# Member of Technical Staff — Developer Technology 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: 2026-07-23
- Apply by: 2026-10-08
- Apply: https://job-boards.greenhouse.io/radixark/jobs/4329271009
- Page: https://www.1752.vc/careers/jobs/radixark-member-of-technical-staff-developer-technology/

## About the role

RadixArk is seeking a Member of Technical Staff, Developer Technology (DevTech) to make LLM inference and training dramatically faster, cheaper, and more accessible on modern GPU hardware. Our systems sit at the center of how modern AI is served and trained: SGLang is a high-performance inference engine that serves trillions of tokens daily across leading AI companies and research labs, and Miles is our reinforcement-learning post-training framework for large-scale LLM and MoE models.

## What they're looking for

- Minimum Requirements
- 4+ years of experience in GPU systems, LLM infrastructure, or performance engineering
- Strong profiling and debugging skills: able to root-cause performance and correctness issues across the stack
- Hands-on GPU programming experience in at least one of CUDA, ROCm, or Triton, and willingness to work across platforms
- Strong programming skills in Python plus C++ or CUDA
- Comfortable making progress on hard, ambiguous problems with little context to start from, and fast to ramp into unfamiliar systems, codebases, and domains

Tags: Member of Technical Staff