RadixArk

NewBe an early applicant North America

4 days ago

Member of Technical Staff — Backend/API Platform

AI API Api Documentation Authentication Automation +19 skills

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…

Business Development

AI Business Development Distributed Training GitHub LLM

About the Role We're looking for a Business Development to build the BD function at RadixArk from the ground up. The BD team is the institutional memory of this company — maintaining active relationships across…

Product Manager

AI Analytics C++ Distributed Training GitHub +6 skills

Key Responsibilities Product Strategy & Roadmap Define, prioritize, and drive the product roadmap for inference and training infrastructure. Stay ahead of AI trends, including new model architectures, hardware…

Technical Program Manager

AI AWS CI/CD C++ CUDA +9 skills

About the Role As a Technical Program Manager at RadixArk, you'll drive the execution of complex, cross-functional programs across our inference and training infrastructure. You'll partner closely with Product…

Product Marketing Manager

AI Cloud Distributed Training GitHub Go-to-Market +2 skills

About the Role RadixArk is seeking a Product Marketing Manager to own how SGLang, Miles, and our open source infrastructure are positioned and perceived across the market. SGLang already has 20K+ GitHub stars and…

4 weeks ago

Member of Technical Staff — Training

Agentic AI CUDA Data Pipelines Distributed Systems Distributed Training +7 skills

About the Role As a Member of Technical Staff, Training, you will design, build, and operate the distributed systems behind large-scale model post-training — spanning training, inference, and orchestration, with a…

Member of Technical Staff — Inference-Multi-Hardware

AI Cloud C++ CUDA Distributed Systems +9 skills

About the Role RadixArk is seeking a Member of Technical Staff - Inference-Multi-Hardware to push the limits of performance for frontier AI systems. Most performance engineering assumes a single vendor's stack.…

Member of Technical Staff — Inference-Multimodal & Diffusion

HybridNorth America

AI Deep Learning Distributed Training Generative AI GitHub +5 skills

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…

Member of Technical Staff — Inference-Kernel, Compiler & Communication

AI C++ CUDA Distributed Training GitHub +6 skills

About the Role RadixArk is seeking a Member of Technical Staff — Kernel / Compiler / Communication to push the limits of performance for frontier AI systems. You will work at the lowest layers of the stack — kernels,…

Member of Technical Staff — Reliability-CI Infrastructure

AI Bash CI/CD CUDA Developer Experience +14 skills

About the Role RadixArk is hiring a Member of Technical Staff — CI / Infrastructure to own the infrastructure that keeps SGLang moving. Our CI system runs 300+ GPU tests across NVIDIA, AMD, Intel, and Ascend hardware…

Member of Technical Staff — Cluster Infrastructure & Supercomputing

AI C++ Distributed Systems Distributed Training GitHub +9 skills

About the Role RadixArk is looking for a Member of Technical Staff Cluster Infrastructure to architect and scale the core compute platform that powers frontier-level AI training and inference. You will design and…

Member of Technical Staff — Inference-TPU

AI Distributed Training GitHub JAX LLM +3 skills

About the Role RadixArk is looking for a Member of Technical Staff — TPU Systems to build high-performance inference and training systems using JAX, XLA, and Pallas. You'll push model workloads to their limits on…

Member of Technical Staff — Inference-Core Engine

AI C++ CUDA Distributed Systems Distributed Training +11 skills

About the Role RadixArk is seeking a Member of Technical Staff — Inference to push the limits of large-scale AI inference. You will work on the core systems that serve frontier models at scale, optimizing performance,…

Member of Technical Staff — Developer Experience

AI C++ CUDA Developer Advocacy Distributed Training +4 skills

About the Role RadixArk is seeking a Developer Advocate to build and engage our technical community around SGLang, Miles, and our open source infrastructure. SGLang already has 30K+ GitHub stars and serves billions of…

Member of Technical Staff — Developer Technology

AI C++ CUDA Distributed Training GitHub +8 skills

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…

Member of Technical Staff — Performance

AI Cloud C++ CUDA Distributed Systems +6 skills

About the Role RadixArk is hiring a Member of Technical Staff — Performance in Palo Alto, CA — someone who can push LLM inference and training systems to the limit across real production workloads. You’ll work on the…

Member of Technical Staff — Product

Accessibility AI API Api Design C++ +14 skills

About the Role RadixArk is seeking experienced product-focused engineers to join our team in building the developer-facing surfaces of our inference and training infrastructure. As a Member of Technical Staff —…