Product Manager

RadixArk • Palo Alto, CA

3h

About The Position

About RadixArk
RadixArk is an infrastructure-first company built by enggineers 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.

Requirements

• Bachelor's or Master's degree in Computer Science, Engineering, or a related technical field.
• 3+ years of experience in Product Management or a related technical role (Engineering, Solutions Architecture) in a software company.
• Strong technical fluency in AI/ML infrastructure; comfortable discussing system architecture and reading technical documentation.
• Excellent communication skills, able to clearly explain complex technical concepts to technical and non-technical stakeholders.

Nice To Haves

• Hands-on coding skills (Python, C++ etc); experience contributing to open-source communities.
• Experience creating content for developer audiences (blogs, social media) or organizing tech events/hackathons.
• Data-driven mindset with experience using analytics to drive product decisions.
• Experience conducting user research and interviews to uncover user pain points.
• B2B or developer-facing product experience.

Responsibilities

• Define, prioritize, and drive the product roadmap for inference and training infrastructure.
• Stay ahead of AI trends, including new model architectures, hardware optimizations, and open-source developments.
• Balance qualitative insights (partner feedback, community discussions) with quantitative metrics (benchmarks, system performance) to inform roadmap decisions.
• Collaborate closely with research and engineering teams, participating in design reviews and technical discussions to evaluate trade-offs.
• Translate complex technical capabilities into clear user stories, product requirements, and actionable deliverables.
• Act as a trusted partner to engineering teams, removing blockers by clarifying requirements and managing scope.
• Serve as the main point of contact for early adopters and partners, gathering feedback to guide product iterations.
• Support Go-to-Market initiatives, including creating technical content (blogs, documentation, social assets) and engaging with developer communities.
• Use data and user research to validate hypotheses and measure the impact of product launches.

Benefits

• Competitive salary and equity package.
• Work with a world-class team from xAI, Google, and leading research labs.
• Directly impact the future of open AI infrastructure.
• We offer competitive compensation with equity,comprehensive health benefits,and flexible work arrangements.

What This Job Offers

• Job Type: Full-time
• Career Level: Manager