Member of Technical Staff — Developer Experience

Qualifications Minimum

Requirements 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. Preferred (

Bonus)

Qualifications 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 (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 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. We're backed by well-known infrastructure investors and partner with Nvidia, Google, AWS, and frontier AI labs. Join us in building infrastructure that gives real leverage back to the AI community.

Compensation We offer competitive

compensation with meaningful equity, comprehensive

benefits, and flexible work arrangements.

Compensation depends on location, experience, and level. 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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