AI Platform Engineer

About the Role:

• Build the platform powering every agent at Polygon Labs, a cryptocurrency company focused on on-chain payments.
• Join a small, flat Platform Team reporting to the AI Platform Lead, owning the entire AI platform from agent runtime to spend tracking.
• This is a hands-on IC role where you will write code, ship to production, and take ownership of your deliverables.

Your Responsibilities:

• Move agentic workflows into production, from prototypes to robust systems with SLAs, including AI code review and incident triage.
• Build and manage MCP servers with system design, security, authentication, and a clean connector inventory.
• Develop autonomous agents with guardrails, evaluation frameworks, and observability to ensure quality and cost tracking.

What You'll Need:

• 5+ years as a software, platform, or infrastructure engineer with solid system design and debugging skills.
• 6-12 months shipping LLM-based systems to production with agentic workflows used by real end users.
• Daily hands-on experience with AI coding agents and tool use, along with expertise in TypeScript, Python, or Go.