RadixArk Jobs
radixark.com ↗|AI & Machine Learning|19 open roles
RadixArk is an infrastructure-first deep-tech company that builds large-scale inference and training systems for the AI community. Its mission is to make frontier-level AI infrastructure open and accessible. The company develops SGLang, an open engine for serving AI models, and Miles, a large-scale reinforcement learning (RL) framework. RadixArk was founded by AI infrastructure engineers with experience at xAI and NVIDIA.
RadixArk Salary
What RadixArk is hiring for
Open roles by category.
Hired for before, nothing open right now: Design.
Where RadixArk is hiring
Open roles by place.
Hiring trends at RadixArk
Open roles, day by day
How many roles were open at RadixArk at the end of each day.
- 19Roles open, at the end of 13 September 2026
- 0New roles posted, 2 September 2026 to 13 September 2026
- 1Roles closed, 2 September 2026 to 13 September 2026
- −1Posted minus closed, 2 September 2026 to 13 September 2026
Opened and closed, week by week
What opened and what closed in each week, latest week first.
| Week | Opened | Closed | Opened minus closed | Open at the end |
|---|---|---|---|---|
| 7 Sep to 13 Sep | 0 | 1 | −1 | 19 |
| 1 Sep to 6 Sep (5 of 7 days recorded) | 0 | 0 | 0 | 20 |
Partial weeks state the number of days with flow records. Open at the end is the last recorded day shown.
Where the roles are moving
Changes between recorded dates, by kind of work.
| Category | Recorded dates | Open at the end | Change |
|---|---|---|---|
| Engineering | 6 Sep to 13 Sep | 13 | 0 |
| Product | 6 Sep to 13 Sep | 2 | 0 |
| Data & AI | 6 Sep to 13 Sep | 1 | 0 |
| Marketing & Growth | 6 Sep to 13 Sep | 1 | 0 |
| Operations | 6 Sep to 13 Sep | 1 | 0 |
| Sales & Business Development | 6 Sep to 13 Sep | 1 | 0 |