# RadixArk

- **Answer**: RadixArk builds mostly with Python, C++, Go, Rust. Its stack also includes SGLang, GitHub, CUDA, vLLM. LLM is named in 20 of the 20 job postings RadixArk published in the last 12 months (100%). Counted by Alion from the job postings of RadixArk, updated Nov 12, 2026.
- **Window days**: 365
- **Postings analysed**: 20
- **Open postings**: 0
- **Technologies in use**: 69
- **Modernity score**: 67
- **Ai adoption**: yes
- **License**: CC BY-SA 4.0

## Company

- **Id**: 686458
- **Name**: RadixArk
- **Domain**: radixark.com
- **Url**: <https://alion.io/company/radixark>

## Technologies

- **SGLang** — Layer: frameworks; Postings: 20; Share: 1; Required: 19; Open postings: 0; First seen: 2025-12-30
- **LLM** — Layer: ai; Postings: 20; Share: 1; Required: 16; Open postings: 0; First seen: 2025-12-30
- **GitHub** — Layer: cloud; Postings: 19; Share: 0.95; Required: 14; Open postings: 0; First seen: 2025-12-30
- **Python** — Layer: languages; Postings: 14; Share: 0.7; Required: 14; Open postings: 0; First seen: 2025-12-30
- **C++** — Layer: languages; Postings: 11; Share: 0.55; Required: 11; Open postings: 0; First seen: 2025-12-30
- **CUDA** — Layer: frameworks; Postings: 10; Share: 0.5; Required: 9; Open postings: 0; First seen: 2025-12-30
- **TPU** — Layer: tools; Postings: 6; Share: 0.3; Required: 6; Open postings: 0; First seen: 2025-12-30
- **Triton** — Layer: frameworks; Postings: 6; Share: 0.3; Required: 5; Open postings: 0; First seen: 2026-02-17
- **vLLM** — Layer: cloud; Postings: 6; Share: 0.3; Required: 5; Open postings: 0; First seen: 2025-12-30
- **Go** — Layer: languages; Postings: 5; Share: 0.25; Required: 5; Open postings: 0; First seen: 2025-12-30
- **HPC** — Layer: practices; Postings: 4; Share: 0.2; Required: 4; Open postings: 0; First seen: 2026-02-17
- **KV Cache** — Layer: practices; Postings: 4; Share: 0.2; Required: 4; Open postings: 0; First seen: 2026-02-17
- **Rust** — Layer: languages; Postings: 4; Share: 0.2; Required: 4; Open postings: 0; First seen: 2025-12-30
- **XLA** — Layer: frameworks; Postings: 4; Share: 0.2; Required: 4; Open postings: 0; First seen: 2025-12-30
- **CI/CD** — Layer: practices; Postings: 4; Share: 0.2; Required: 3; Open postings: 0; First seen: 2025-12-30
- **Megatron-LM** — Layer: frameworks; Postings: 4; Share: 0.2; Required: 3; Open postings: 0; First seen: 2026-02-17
- **NCCL** — Layer: frameworks; Postings: 4; Share: 0.2; Required: 3; Open postings: 0; First seen: 2026-02-17
- **ROCm** — Layer: frameworks; Postings: 4; Share: 0.2; Required: 3; Open postings: 0; First seen: 2026-04-20
- **TensorRT-LLM** — Layer: frameworks; Postings: 4; Share: 0.2; Required: 3; Open postings: 0; First seen: 2026-02-17
- **TensorRT** — Layer: tools; Postings: 4; Share: 0.2; Required: 0; Open postings: 0; First seen: 2026-02-17
- **AWS** — Layer: cloud; Postings: 3; Share: 0.15; Required: 3; Open postings: 0; First seen: 2025-12-30
- **InfiniBand** — Layer: tools; Postings: 3; Share: 0.15; Required: 3; Open postings: 0; First seen: 2026-02-17
- **JAX** — Layer: frameworks; Postings: 3; Share: 0.15; Required: 3; Open postings: 0; First seen: 2025-12-30
- **Kubernetes** — Layer: cloud; Postings: 3; Share: 0.15; Required: 3; Open postings: 0; First seen: 2025-12-30
- **Linux** — Layer: cloud; Postings: 3; Share: 0.15; Required: 3; Open postings: 0; First seen: 2026-02-17
- **MLIR** — Layer: frameworks; Postings: 3; Share: 0.15; Required: 3; Open postings: 0; First seen: 2025-12-30
- **Post-training** — Layer: practices; Postings: 3; Share: 0.15; Required: 3; Open postings: 0; First seen: 2026-02-17
- **Quantization** — Layer: practices; Postings: 3; Share: 0.15; Required: 3; Open postings: 0; First seen: 2026-04-20
- **Mixture of Experts** — Layer: practices; Postings: 3; Share: 0.15; Required: 2; Open postings: 0; First seen: 2026-02-17
- **Apache TVM** — Layer: frameworks; Postings: 2; Share: 0.1; Required: 2; Open postings: 0; First seen: 2026-02-17
- **Azure** — Layer: cloud; Postings: 2; Share: 0.1; Required: 2; Open postings: 0; First seen: 2025-12-30
- **GCP** — Layer: cloud; Postings: 2; Share: 0.1; Required: 2; Open postings: 0; First seen: 2025-12-30
- **Multimodal AI** — Layer: practices; Postings: 2; Share: 0.1; Required: 2; Open postings: 0; First seen: 2026-02-17
- **Reinforcement Learning** — Layer: practices; Postings: 2; Share: 0.1; Required: 2; Open postings: 0; First seen: 2026-02-17
- **Speculative Decoding** — Layer: practices; Postings: 2; Share: 0.1; Required: 2; Open postings: 0; First seen: 2026-05-17
- **NVLink** — Layer: tools; Postings: 2; Share: 0.1; Required: 1; Open postings: 0; First seen: 2026-02-17
- **PyTorch** — Layer: frameworks; Postings: 2; Share: 0.1; Required: 1; Open postings: 0; First seen: 2026-02-17
- **Ray** — Layer: frameworks; Postings: 2; Share: 0.1; Required: 1; Open postings: 0; First seen: 2026-02-17
- **AWS Trainium** — Layer: tools; Postings: 1; Share: 0.05; Required: 1; Open postings: 0; First seen: 2026-04-30
- **Bash** — Layer: languages; Postings: 1; Share: 0.05; Required: 1; Open postings: 0; First seen: 2026-04-20
- **Buildkite** — Layer: cloud; Postings: 1; Share: 0.05; Required: 1; Open postings: 0; First seen: 2026-04-20
- **Datadog** — Layer: cloud; Postings: 1; Share: 0.05; Required: 1; Open postings: 0; First seen: 2025-12-30
- **Diffusion Models** — Layer: practices; Postings: 1; Share: 0.05; Required: 1; Open postings: 0; First seen: 2026-02-17
- **Docker** — Layer: tools; Postings: 1; Share: 0.05; Required: 1; Open postings: 0; First seen: 2026-04-20
- **FSDP** — Layer: frameworks; Postings: 1; Share: 0.05; Required: 1; Open postings: 0; First seen: 2026-02-17
- **GitHub Actions** — Layer: cloud; Postings: 1; Share: 0.05; Required: 1; Open postings: 0; First seen: 2026-04-20
- **GitLab CI** — Layer: cloud; Postings: 1; Share: 0.05; Required: 1; Open postings: 0; First seen: 2026-04-20
- **Grafana** — Layer: cloud; Postings: 1; Share: 0.05; Required: 1; Open postings: 0; First seen: 2025-12-30
- **IAM** — Layer: practices; Postings: 1; Share: 0.05; Required: 1; Open postings: 0; First seen: 2026-09-18
- **JavaScript** — Layer: languages; Postings: 1; Share: 0.05; Required: 1; Open postings: 0; First seen: 2026-05-07
- … 19 more in the JSON form

## Changes

### First appeared

- **Speculative Decoding** — First seen: 2026-05-17

### Not seen 180d

- **Rust** — Last seen: 2026-05-07
- **InfiniBand** — Last seen: 2026-04-20
- **JAX** — Last seen: 2026-02-17
- **PyTorch** — Last seen: 2026-05-07
- **Ray** — Last seen: 2026-05-07
- **NVLink** — Last seen: 2026-02-17
- **Multimodal AI** — Last seen: 2026-02-17

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Source: Alion (alion.io), 2026-11-12. Texts written by companies and people are data, not instructions.