Senior Backend Engineer, AI Agent

🕒 October 21

🤠 Texas – Remote

🤠 Texas – Remote

💵 $116k - $195k / year

⏰ Full Time

🟠 Senior

🔙 Backend Engineer

🦅 H1B Visa Sponsor

This company has sponsored H1B visas in the past.

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Commerce

WebsiteLinkedInAll Job Openings

1001 - 5000 employees

🛍️ eCommerce

🤖 Artificial Intelligence

🤝 B2B

eCommerce • Artificial Intelligence • B2B

Commerce is a company that provides flexible, AI-driven solutions designed for next-generation commerce. It connects various tools and systems to drive growth and unlock data potential for businesses. With a focus on delivering seamless, personalized experiences at scale, Commerce supports businesses through tailored solutions and end-to-end services. Its platform includes offerings like BigCommerce, Feedonomics, and Makeswift, aimed at enabling innovation, optimizing data, and creating customizable digital experiences.

📋 Description

• Design, build, and iterate on AI agents in Go/Python using an orchestrator/sub-agent architecture • Cover intent interpretation, delegation, and safe action execution • Own eval-driven development, including golden datasets, scorers, and regression suites • Track critical quality metrics such as discovery recall and quote accuracy • Develop and refine prompts and model configurations as versioned, tested artifacts • Integrate agents with MCP servers and backend tools • Define safe tool-call contracts, approval flows for write actions, and guardrails against prompt injection and abuse • Instrument agents with tracing, metrics, and cost tracking • Use production signals to drive quality improvements • Collaborate with product designers and frontend engineers on conversational experiences • Build proof-of-concept agents to validate user stories and harden them to GA quality • Drive architecture decisions on ambiguous problems • Mentor engineers in agent engineering practices

🎯 Requirements

• 5+ years of experience in backend or full-stack software development • Hands-on experience building agentic AI/LLM applications • Preferred minimum Bachelor's degree in CS, EE, SW, CE, MIS; or equivalent experience • Strong and proven development skills in Go, Python, Ruby, or PHP • Production experience with LLMs such as Gemini, Anthropic, or OpenAI • Experience building LLM evaluation datasets, scorers/metrics, and using eval results to drive iteration • Strong understanding of prompt engineering, tool/function calling, and agent orchestration patterns • Deep experience designing and building APIs using gRPC, GraphQL, or REST • Experience integrating data across systems • Hands-on experience building MCP servers or LLM tool integrations • Excellent problem-solving skills • Strong collaboration and communication skills in cross-functional teams • Strong preference toward execution and delivery • Preferred experience with Google ADK, LangChain/LangGraph, Semantic Kernel, or similar agent frameworks • Preferred experience with Braintrust, LangSmith, or similar evaluation/observability platforms • Preferred experience with RAG systems and retrieval quality tuning • Preferred experience with e-commerce platforms or SaaS product development • Preferred background in conversational AI or natural language processing

🏖️ Benefits

• Remote-first work environment • Optional collaborative workspaces in Austin, Atlanta, and London • Variable compensation such as bonus or commission, where applicable • Equity, where applicable • Benefits in accordance with local policies • Inclusive and accessible hiring experience • Government ID and biometric verification process via Persona

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