Product Manager

Key Responsibilities

Product Strategy & Roadmap

• 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.

User Engagement & Growth

• 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.

Qualifications

Minimum 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.

Preferred (Bonus) Qualifications

• 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.

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.

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

We offer competitive compensation with equity, comprehensive health benefits, and flexible work arrangements. Compensation is determin