Senior Product Engineer (AI)

The role

You will build infrastructure to help develop AI features quickly and safely. You will own and ship AI features like agents and assistants from concept to production.

What you will do

• Own and ship AI features such as agents, assistants, and insights from concept to production
• Design and implement backend services for AI integrations and data pipeline
• Build robust APIs and abstractions for internal AI usage
• Drive system scalability including caching, optimization, and processing patterns
• Contribute to the evolution of infrastructure for AI including architecture and evaluation pipelines
• Solve complex AI challenges around accuracy, reliability, and quality
• Advocate for work externally through writing, speaking, and engaging with the AI community

Required qualifications

• Experienced backend engineer who has shipped AI products in the OpenAI and Anthropic era
• Experience with text and data-heavy AI applications
• Hands-on experience with LLM orchestration and LLM API optimization
• Familiarity with RAG architectures and technologies
• AI observability experience
• Product minded and customer focused
• Self-driven and impact-focused

Nice to have

• experience with agent frameworks and design

About the company

Plain is redefining customer support for B2B companies by building a platform to unify customer interactions and supercharge workflows with AI.