Member of Technical Staff — Developer Experience at RadixArk
RadixArk is hiring a Member of Technical Staff — Developer Experience in Palo Alto, CA, US. On-site. Pay: USD 200k-400k/yr.
About RadixArk
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.
Member of Technical Staff — Developer Experience job description
About the Role
Key Responsibilities
-
Technical Content & Education: Create technical content that helps developers succeed with SGLang and Miles, including tutorials, cookbooks, video guides, blog posts, and live streams. Host workshops and live coding sessions demonstrating deployment patterns and optimization techniques. Build demo applications and reference architectures that showcase what's possible on RadixArk's infrastructure. Partner with engineering to translate new features into accessible content as soon as they ship.
-
Conference & External Representation: Give talks at conferences, meetups, and webinars on AI infrastructure optimization and best practices. Represent RadixArk at industry events, hackathons, and university recruiting activities. Build relationships with AI researchers, infrastructure engineers, and technical leaders to grow RadixArk's presence in the community.
-
Community Engagement: Engage directly with developers on GitHub, Discord, and social media to answer questions, triage feedback, and surface what the community is building. Identify and amplify community contributions, success stories, and innovative use cases. Build and maintain relationships with influential developers, open source maintainers, and technical educators.
-
Engineering & Product Partnership: Gather product feedback from the community and synthesize insights for engineering and product teams. Bring real developer pain points back into roadmap conversations, and close the loop with the community on what's been delivered. Track community metrics and continuously improve how we engage with developers.
Qualifications
-
4+ years of experience in developer advocacy, developer relations, or a senior engineering role with significant community-facing work.
-
Strong technical background with hands-on experience building AI applications or infrastructure.
-
Excellent public speaking skills with a proven track record of conference talks and technical presentations.
-
Outstanding writing and content creation abilities across formats including tutorials, blog posts, videos, and live streams.
-
Solid understanding of AI/ML infrastructure, including LLM serving, distributed training, and GPU optimization.
-
Proficiency in Python and the ability to write production quality code examples.
-
Self-starter who can identify opportunities and drive initiatives independently.
-
Genuine passion for open source development and community building.
-
Active presence in developer communities such as GitHub, Twitter/X, Discord, or Reddit.
-
Existing relationships with AI infrastructure engineers, researchers, or open source maintainers.
-
Experience working with or contributing to popular open source AI/ML projects.
-
Familiarity with C++, CUDA, or kernel-level optimization.
-
Experience running developer programs at an infrastructure or developer tools company.
About RadixArk
RadixArk is an infrastructure-first company built by engineers who've shipped production AI systems, created SGLang (30K+ GitHub stars, the fastest open LLM serving engine), and developed Miles (our large-scale RL framework). Founded by AI infrastructure veterans from xAI and NVIDIA, we're on a mission to democratize frontier-level AI 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 infrastructure that powers leading AI companies and research labs.
Compensation
Depending on background, skills, and experience, the expected annual salary range for this position is $200,000 - $400,000 USD + equity.
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.
Apply now
Applications go straight to RadixArk. We never sit between you and the employer.
Apply now ↗
