Backend Engineer - AI Agents (all genders)
Core
Build and improve AI agents for customer service, focusing on agent loops, tool calling, context management, and model switching.
Role type
Senior Backend Engineer (AI Agents)
Builds
AI agents for customer messaging solutions
Domain
AI / Customer Service
Deliverable
production ML models
Required skills
Backend development, AI agent architecture, RAG, vector databases, evaluation frameworks (LLM-as-a-judge), API integration, MCP tools
Preferred skills
Pydantic AI, LiteLLM, Langfuse, Arize Phoenix, LangSmith
Technologies
Python, Langfuse, Arize Phoenix, LangSmith, Pydantic AI, LiteLLM
Responsibilities
Build and improve AI agents from agent loop to tool calling; Set up architecture for language model switching; Use evals to verify improvements; Connect APIs and MCP tools for agent knowledge; Collaborate with Product team on AI initiatives
Seniority
Senior, hands-on IC
