Senior Backend Engineer (AI Agent)
Core
Design, build, and iterate on conversational AI agents for the B2B commerce lifecycle (Product Discovery, Pricing, Order Automation, Fulfillment, Post-Sale Support) using Go/Python and Google ADK.
Role type
Senior Backend Engineer (AI Agent)
Builds
Conversational AI agents, evaluation infrastructure, and MCP server integrations for BigCommerce.
Domain
B2B E-commerce, Generative AI, LLM Orchestration
Deliverable
production ML models | product features
Required skills
Go/Python, LLM orchestration, prompt engineering, API design (gRPC/GraphQL/REST), MCP server integration, LLM evaluation (datasets/scorers), system tracing & metrics
Preferred skills
Google ADK, Braintrust, RAG systems, e-commerce platform development, conversational AI/NLP
Technologies
Go, Python, Google ADK, Gemini, Braintrust, MCP servers
Responsibilities
Design agent architecture (orchestration/sub-agents), build golden datasets and regression suites for eval-driven development, integrate agents with backend tools and guardrails, instrument agents with tracing and cost tracking, mentor engineers on agent practices
Seniority
Senior, hands-on IC