Senior AI Agent Backend Engineer - Remote

Commerce Inc; Austin (TX); Hybrid; USD 116,000 - 195,000; Full time

Job summary

Commerce seeks a Senior Backend Engineer to design AI agents and orchestration, focusing on safe tool integration and eval-driven quality. You will build and refine prompts, model configurations, and integration with MCP servers and backend tools, while mentoring peers.

The role emphasizes production-ready API design, scalable architectures, and collaboration with product and frontend teams in a hybrid remote-friendly setup in Austin or Atlanta.

Qualifications

• 5+ years of backend or full-stack software development experience.
• Hands-on experience building agentic AI/LLM applications.
• Strong understanding of prompt engineering and tool calling.

Responsibilities

• Design, build, and iterate on AI agents in Go/Python using orchestrator/sub-agent architecture.
• Own eval-driven development with golden datasets, scorers, and regression suites for quality metrics.
• Integrate agents with backend tools, define safe tool-call contracts and guardrails.
• Instrument agents with tracing, metrics, and cost tracking; iterate based on production signals.

Skills

Go

Python

LLM integration

API design

Prompt engineering

Agent orchestration

MCP servers

Distributed systems

Education

Bachelor's degree in CS/EE/SW/CE/MIS

Tools

gRPC

GraphQL

REST

Braintrust

LangChain

Google ADK

Job description

Commerce seeks a Senior Backend Engineer to design AI agents and orchestration, focusing on safe tool integration and eval-driven quality. You will build and refine prompts, model configurations, and integration with MCP servers and backend tools, while mentoring peers.

The role emphasizes production-ready API design, scalable architectures, and collaboration with product and frontend teams in a hybrid remote-friendly setup in Austin or Atlanta.