AI Engineer

Ruby Labs is a leading tech company that creates and operates innovative consumer products. We're seeking a senior AI Engineer (Node.js / Next.js / TypeScript) to shape our AI infrastructure and drive production-ready LLM experiences.

Requirements

• Deep knowledge of Node.js & Next.js
• Proven experience in building dynamic prompts
• Experience working with OpenRouter
• Understanding of LLM observability principles and Langfuse
• Ability to transform raw generation logs into actionable business metrics and technical insights
• Iterative mindset with focus on continuous product improvement

Benefits

• Remote work environment
• Unlimited PTO
• Paid national holidays
• Company-provided MacBook
• Flexible independent contractor agreement