Senior AI Backend Engineer — Agentic AI Agents (Remote)

Commerce.com US; United States; Remote; USD 116,000 - 195,000; Full time

Benefits offered by this job

Remote-first

Optional collaborative workspaces in (

Competitive compensation

Job summary

Commerce is building a remote-first team to deliver a suite of conversational AI agents for the B2B commerce lifecycle. You will design, orchestrate, and evaluate AI agents with Go and Python, focusing on safe tool usage, dataset creation, and model configurations.

You will collaborate with product and frontend teams to deliver high-quality conversational experiences, mentor peers, and contribute to GA-ready solutions across enterprise-scale e-commerce workflows.

Qualifications

• 5+ years of backend or full-stack software development experience.
• Hands-on experience building agentic AI/LLM applications.
• Experience with LLMs in production systems (Gemini, Anthropic, OpenAI).
• Strong knowledge of prompt engineering, tool calling, and API design.

Responsibilities

• Design, build, and iterate on AI agents in Go/Python using an orchestrator/sub-agent architecture.
• Own eval-driven development: build datasets, scorers, and regression suites for quality metrics.
• Develop and refine prompts, model configurations; treat prompts and model settings as versioned, tested artifacts
• Integrate agents with MCP servers and backend tools, defining safe tool-call contracts and guardrails
• Instrument agents with tracing, metrics, and cost tracking; use production signals to drive quality improvements
• Collaborate with product designers and frontend engineers to deliver intuitive conversational experiences
• Quickly build proof-of-concept agents, then harden them to GA quality
• Drive architecture decisions on ambiguous problems and mentor other engineers in agent engineering practices

Skills

Backend development

Full-stack development

Agentic AI/LLM applications

Go

Python

Ruby

PHP

LLMs in production

LLM evaluation

API design

Education

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

Tools

Go

Python

Ruby

PHP

GRPC

GraphQL

REST

MCP servers

LangChain

Job description

Commerce is building a remote-first team to deliver a suite of conversational AI agents for the B2B commerce lifecycle. You will design, orchestrate, and evaluate AI agents with Go and Python, focusing on safe tool usage, dataset creation, and model configurations.

You will collaborate with product and frontend teams to deliver high-quality conversational experiences, mentor peers, and contribute to GA-ready solutions across enterprise-scale e-commerce workflows.