RadixArk
radixark.com
Actively hiring
AI Infrastructure
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Overview
News
Technologies
Salaries
Products
People
Growth
Offices
Jobs
Financials
How RadixArk hires
Truth index
C 55/100
Ghost roles
75%
Stale roles
0%
Reposted roles
0%
RadixArk scores C on the Alion truth index (A is best, E worst), measured over 20 open roles re-checked against its own hiring board: 75% look like ghost listings, 0% have gone stale and 0% are the same role posted again. It measures how much of what this employer publishes turns into a real, finite search - not the employer as a workplace. How the index is computed
News
Nvidia, AMD back $100M round for AI tooling startup RadixArk
Nvidia, AMD back $100M round for AI tooling startup RadixArk - SiliconANGLE
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RadixArk Launches With $100 Million In Seed Funding To Democratize Frontier AI Infrastructure
RadixArk, an AI infrastructure company founded by the creators of the open-source inference engine SGLang, has launched with $100 million in seed funding at a $400 million post-money valuation. The round was led by Accel and co-led by Spark Capital, with
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AMD Seed Investment In RadixArk Adds New Angle To AI Story
RadixArk has launched with a $100m seed round backed by Advanced Micro Devices, aiming to broaden access to large scale AI infrastructure. The platform is built around SGLang and targets support for new AI model architectures and specialized hardware beyo
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RadixArk Launches with $100 Million in Seed Funding Led by Accel to Grow SGLang and Democratize Frontier AI Infrastructure
PALO ALTO, Calif., May 05, 2026--RadixArk, the company democratizing access to frontier AI infrastructure, launched today with $100 million in Seed funding at a $400 million post-money valuation. The round was led by Accel and co-led by Spark Capital, wit
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Our $100M Seed to Build Open Infrastructure for Frontier AI
RadixArk announces $100 million in Seed funding at a $400 million post-money valuation to build open infrastructure for frontier AI, powered by SGLang and Miles.
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Technologies
Tech DNA
Python
C++
Go
CUDA
Triton
Megatron-LM
AWS
Azure
GCP
LLM
AI/ML
Python
C++
LLM
SGLang
GitHub
CUDA
CUDA Toolkit
Triton
vLLM
TPU
HPC
CI/CD
Megatron-LM
NCCL
TensorRT-LLM
TensorRT
ROCm
XLA
KV Cache
AWS
Kubernetes
Linux
Mixture of Experts
Post-training
JAX
MLIR
Quantization
InfiniBand
Azure
GCP
Multimodal AI
NVLink
Reinforcement Learning
Apache TVM
PyTorch
Ray
Speculative Decoding
Buildkite
Docker
GitHub Actions
GitLab CI
Jenkins
SLURM
Datadog
Grafana
Platform Engineering
Prometheus
IAM
Unix
AI Agents
CUTLASS
FSDP
GRPO
LLM Evaluation
PPO
Model Context Protocol
Diffusion Models
AWS Trainium
OpenAI
Pre-training
SFT
DeepSpeed
Edge AI
Machine Learning
PyTorch C++
Security
Go
Rust
Bash
JavaScript
HIPAA
OWASP Top 10
SIEM
SOC 2
Threat Modeling
Other
TypeScript
Rest API
Discord
gRPC
Slack
Reddit
X (Twitter)
Stack modernity
67/100
How modern this stack is, based on technology relevance, AI adoption and the share of legacy tools.
In-demand technologies
SGLang
20 jobs
Required
$400k
+35% vs market
LLM
20 jobs
Required
$400k
+91% vs market
GitHub
19 jobs
Required
$400k
+135% vs market
Python
14 jobs
Required
$400k
+117% vs market
C++
11 jobs
Required
$400k
+100% vs market
CUDA Toolkit
10 jobs
Required
$400k
+59% vs market
CUDA
10 jobs
Required
$400k
+58% vs market
TPU
6 jobs
Required
$400k
+67% vs market
Salary medians are calculated from this company's open jobs and compared with the market.
Industry adoption
Python
25%
CI/CD
19%
AWS
19%
Kubernetes
19%
Linux
19%
Docker
18%
Share of companies in the same industry that use each technology.
Stack changes
Unix
Sep 2026
Threat Modeling
Sep 2026
SOC 2
Sep 2026
SIEM
Sep 2026
Rest API
Sep 2026
OWASP Top 10
Sep 2026
IAM
Sep 2026
HIPAA
Sep 2026
Technologies recently added to or removed from this company's stack - a signal of tech migrations and new initiatives.
NVIDIA
Jobgether
Qualcomm
Adobe
Cisco Systems
Bright Vision Technologies
Salary insights
Compensation ranges based on this company's open jobs
Median
$400k
Typical range
$200k – $400k
Open positions
18
17
Jobs
Middle
11.8%
Senior
5.9%
Staff
82.4%
| Level | Jobs | Median | Typical range |
|---|---|---|---|
| Middle | 2 | $300k | $300k |
| Senior | 1 | $300k | $300k |
| Staff | 14 | $400k | $300k – $400k |
Highest paying role
Member of Technical Staff — Training
$400k
Normalized to USD per year
Growth
Hiring Momentum
40/100
Stable
Open positions
20
1 opened / 0 closed in 30 days
ATS activity
Every ~3 hours
09/23/2026
Hiring Dynamics
0%
Hiring Focus
The percentage next to each role is its share of the company's job openings over the last 90 days; the arrow shows the shift versus the previous period.
AI/ML
80% ▼
HR
20% ▲
Offices
Where the company hires and what each office is for
Cities
2
Hiring now
1
Countries
2
Busiest office
Palo Alto
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Headquarters
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Office with open vacancies
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Palo Alto
United States
Engineering / R&D
Palo Alto Office
20 open roles 5 posted in 90 days 75% engineering $367k Avg Salary
hires for AI/ML, Product, DevOps
Singapore
Singapore
Regional office
Singapore · Hybrid
Jobs
≈ $208k – $426k per year (Estimated) • In office • 4+ years exp • Bachelor's Degree • Palo Alto
SGLang
LLM
DevOps
Rest API
GCP
Azure
CI/CD
AWS
Kubernetes
GitHub
IAM
Linux
Unix
Cybersecurity
OWASP Top 10
SOC 2
HIPAA
Threat Modeling
SIEM
Apply
$200k – $400k per year • In office • 4+ years exp • Bachelor's Degree • Palo Alto
Python
Go
Rust
SGLang
LLM
DevOps
Rest API
gRPC
GCP
Datadog
Prometheus
Azure
CI/CD
AWS
Kubernetes
Grafana
Platform Engineering
GitHub
Apply
$160k – $300k per year • Equity • In office • 3+ years exp • Bachelor's Degree • Palo Alto
Python
C++
SGLang
LLM
OpenAI
DevOps
GitHub
Apply
$160k – $300k per year • In office • 4+ years exp • Bachelor's Degree • Palo Alto
Python
C++
CUDA Toolkit
SGLang
LLM
CUDA
TPU
AWS Trainium
DevOps
CI/CD
AWS
GitHub
Apply
≈ $127k – $330k per year (Estimated) • In office • Bachelor's Degree • Palo Alto
Python
C++
CUDA Toolkit
JAX
SGLang
LLM
CUDA
DevOps
GitHub
Apply
$200k – $400k per year • In office • 3+ years exp • Palo Alto
vLLM
CUDA Toolkit
Reinforcement Learning
Multimodal AI
AI Agents
SGLang
TensorRT
TensorRT-LLM
LLM
Mixture of Experts
CUDA
Triton
PPO
GRPO
Post-training
Megatron-LM
FSDP
NCCL
NVLink
LLM Evaluation
CUTLASS
Machine Learning
Apply
$200k – $400k per year • In office • 4+ years exp • Palo Alto
Python
C++
vLLM
CUDA Toolkit
Quantization
SGLang
LLM
CUDA
Triton
Megatron-LM
TPU
NCCL
ROCm
MLIR
Apache TVM
XLA
DevOps
GitHub
HPC
Apply
$200k – $400k per year • Remote/Hybrid • 5+ years exp • Palo Alto
JAX
Multimodal AI
Diffusion Models
SGLang
PyTorch
LLM
TPU
DevOps
GitHub
Apply
$200k – $400k per year • In office • 5+ years exp • Palo Alto
Python
C++
CUDA Toolkit
SGLang
LLM
CUDA
Triton
NCCL
InfiniBand
NVLink
MLIR
Apache TVM
XLA
DevOps
GitHub
HPC
Apply
$200k – $400k per year • In office • Palo Alto
Python
Bash
CUDA Toolkit
Quantization
SGLang
LLM
CUDA
NCCL
InfiniBand
ROCm
KV Cache
DevOps
GitHub Actions
GitLab CI
CI/CD
Jenkins
Docker
Buildkite
GitHub
Linux
Management
Slack
Apply
$200k – $400k per year • In office • 5+ years exp • Palo Alto
Python
Go
Rust
C++
SGLang
LLM
Ray
TPU
InfiniBand
DevOps
SLURM
Kubernetes
GitHub
HPC
Linux
Apply
$200k – $400k per year • In office • 3+ years exp • Bachelor's Degree • Palo Alto
Python
vLLM
JAX
SGLang
LLM
TPU
MLIR
XLA
DevOps
GitHub
Apply