SECTION I · THE BRIEF
Brief #80363Updated 02 JUL 2026PALO ALTO, CAGreenhouseACCEL
Employbl Company Profile

AI Infra Resident (1-Year Program)

RadixArk focuses on developing infrastructure for AI inference and training systems. It builds tools to make frontier-level AI more efficient, accessible, and cost-effective.

Location
Palo Alto, CA
Company size
10–50
Posted
1w ago
Via
Greenhouse
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  • 01Comp band & equity packageLocked
  • 02Seniority & experience requirementsLocked
  • 03Interview process & rubricLocked
  • 04Hiring manager & team contextLocked
  • 05Growth trajectory in this roleLocked
  • 06Offer & decision timelineLocked
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AI Infra Resident (1-Year Program) - RadixArk

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Job Title
AI Infra Resident (1-Year Program)
Job Location
Palo Alto, CA
Job Listing URL
https://job-boards.greenhouse.io/radixark/jobs/4088962009
Job Description

 

About The Role

RadixArk is launching a full-time, paid, 1-year residency program for aspiring AI infrastructure engineers. You'll rotate across inference, training, kernels, compilers, and cluster infrastructure, working on real production systems alongside senior engineers. This is an opportunity to learn from the team behind SGLang and Miles while owning meaningful projects that impact thousands of developers.

Requirements

  • Bachelor's or Master's degree in Computer Science, Engineering, or related field (recent graduates welcome)

  • Strong foundations in systems programming, ML systems, or high-performance computing

  • Experience with Python and/or C++; exposure to CUDA, JAX, or distributed systems is a plus

  • Demonstrated ability to learn quickly and debug complex technical problems

  • Curiosity, grit, and willingness to dive deep into unfamiliar layers of the stack

  • Desire to grow into a world-class AI infrastructure engineer

  • Strong communication skills and ability to work collaboratively

Responsibilities

  • Join a full-time, paid, 1-year residency focused on AI infrastructure

  • Rotate across inference, training, kernels, compilers, and cluster infrastructure

  • Work on real production systems: LLM serving (SGLang), diffusion inference (Flux, Wan), RL training (Miles), schedulers, and performance tooling

  • Learn to debug failures across the full stack: model → runtime → kernel → hardware

  • Own meaningful projects with close mentorship from senior engineers

  • Contribute to SGLang, Miles, and other open-source projects

  • Document learnings and create guides for the community

  • Present technical deep-dives and share knowledge with the team

  • Participate in code reviews and learn engineering best practices

About RadixArk

RadixArk is an infrastructure-first company built by engineers who've shipped production Al systems,created SGLang (20K+ GitHub stars,the fastest open LLM serving engine),and developed Miles(our large-scale RL framework).
We're on a mission to democratize frontier-level Al infrastructure by building world-class open systems for inference and training.
Our team has optimized kernels serving billions of tokens daily,designed distributed training systems coordinating 10,000+ GPUs, and contributed to infrastucture that powers leading Al companies and research labs.
We're backed by well-known infrastructure investors and partner with  NVIDIA, Google,AWS,and frontier Al labs.
Join us in building infrastructure that givees real leverage back to the Al community.

Compensation

We offer competitive compensation for this 1-year residency program, with health benefits and potential for conversion to a full-time role. Compensation is determined by location and prior experience. Strong residents may receive offers to join RadixArk full-time with equity after program completion.

Equal Opportunity

RadixArk is an Equal Opportunity Employer and is proud to offer equal employment opportunity to everyone regardless of race, color, ancestry, religion, sex, national origin, sexual orientation, age, citizenship, marital status, disability, gender identity, veteran status, and more.

 

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Where this role is based

Palo Alto, CA

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RadixArk Headquarters Location

San Francisco, CA

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RadixArk Company Size

Between 10 - 50 employees

RadixArk Founded Year

2025

RadixArk Total Amount Raised

$100,000,000

RadixArk Funding Rounds

View funding details

  • Seed

    $100M

RadixArk's Investors

RadixArk's Industries