RadixArk builds large-scale inference and training systems for the entire AI community, making frontier-level AI infrastructure open and accessible. Backed by Accel.
About the role
RadixArk is seeking a Product Marketing Manager to own how SGLang, Miles, and our open source infrastructure are positioned and perceived across the market. SGLang already has 20K+ GitHub stars and serves billions of tokens daily across leading AI companies and research labs, and we're looking for someone to be the bridge between our engineering team and the people who decide to adopt, partner with, and write about us.
What they're looking for
- 5+ years of product marketing experience, ideally in AI infrastructure, developer tools, cloud, or open source
- A proven track record translating complex technical products into business-oriented messaging for developers, partners, and buyers
- Demonstrated ownership of product launches and go-to-market plans with measurable awareness, adoption, or pipeline impact
- Hands-on field event experience, with the ability to run a meetup, summit, or conference presence yourself rather than only directing an agency
- Outstanding writing and editorial judgment across positioning, long-form content, and short-form public statements
- Sound judgment and composure in sensitive external situations, with the ability to draft clear public-facing responses under time pressure
More about this role
RadixArk is seeking a Product Marketing Manager to own how SGLang, Miles, and our open source infrastructure are positioned and perceived across the market. SGLang already has 20K+ GitHub stars and serves billions of tokens daily across leading AI companies and research labs, and we're looking for someone to be the bridge between our engineering team and the people who decide to adopt, partner with, and write about us.
You'll define our product messaging, drive our launch calendar, and translate deeply technical systems into value that developers, partners, and buyers understand. You'll also bring that messaging to life in person by running our field events, and you'll be the steady hand who shapes our external response when something needs a clear public voice. This role combines product marketing depth with hands-on execution, and you'll have real influence over how our products are positioned and adopted across the AI infrastructure community.
Product Positioning & Messaging: Own product positioning and messaging for SGLang, Miles, and the broader platform. Build and maintain buyer personas and ideal customer profiles to guide segmentation and storytelling. Translate complex...
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