# Member of Technical Staff — Backend/API Platform 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: 2025-12-29
- Apply by: 2026-10-08
- Apply: https://job-boards.greenhouse.io/radixark/jobs/4087910009
- Page: https://www.1752.vc/careers/jobs/radixark-member-of-technical-staff-backend-api-platform/

## About the role

RadixArk is looking for a Member of Technical Staff — Backend/API Platform Engineer to build the API layer, control plane, and platform services that power SGLang and Miles in production. You'll design and implement the REST/gRPC APIs, authentication systems, multi-tenancy isolation, and monitoring infrastructure that thousands of developers and companies rely on. This role bridges high-performance inference/training systems with production-grade platform engineering.

## What they're looking for

- Debug production issues and implement reliability improvements

Tags: Member of Technical Staff