AI Lead Engineer: Architect & Scale Production AI

Commerce.com US, Inc.; Austin (TX); On-site; USD 163,000 - 245,000; Full time

Job summary

Commerce.com US, Inc. is seeking an AI Lead Engineer to define and lead the architectural direction of production-grade AI services, partnering with Product and Engineering leadership to translate business goals into scalable AI solutions.

This role blends hands-on development in Go and Python with architectural leadership, setting patterns, guiding major initiatives, and ensuring reliable, cost-aware systems at scale within our commerce platform.

Qualifications

• 7+ years of professional software engineering experience.
• Strong proficiency in Go (GoLang) and experience building production-grade, API-driven services.
• Proficiency in Python for experimentation, prototyping, and scripting.
• 3+ years of experience building and deploying AI/ML systems in production environments.
• Strong experience with modern LLM ecosystems (e.g., OpenAI, Anthropic, Hugging Face).
• Deep understanding of LLM-based solution patterns, including Retrieval-Augmented Generation (RAG), structured outputs, schema-driven generation, and agents/orchestration workflows.
• Familiarity with MCP (Model Context Protocol) servers and orchestration approaches.
• Experience evaluating LLM performance in production contexts, including prompt design, quality measurement, and model comparison.
• Experience designing and operating scalable API services at scale.
• Strong experience with cloud infrastructure (AWS, GCP, or Azure).
• Experience with vector databases and inference systems.
• Strong SQL skills and familiarity with modern data storage technologies.

Responsibilities

• Define and evolve the architectural direction for AI services and initiatives.
• Lead high-level and low-level design for major AI programs.
• Establish architectural patterns and technical guidelines that other engineers follow.
• Build and evolve scalable, API-driven AI services in Go.
• Develop LLM-based solutions, including classification, extraction, structured generation, and RAG workflows.
• Drive rapid experimentation and prototyping (often in Python), ensuring clear paths to production-ready implementations.
• Define and enforce standards for evaluation, cost-awareness, and operational reliability across AI systems.
• Mentor Senior AI Engineers through design reviews and technical guidance.
• Collaborate with Staff Engineers when broader architectural alignment is required.

Skills

Go

Python

AI/ML systems

LLM ecosystems

RAG workflows

Cloud (AWS/GCP/AZURE)

API design

Vector databases

SQL

Job description

Commerce.com US, Inc. is seeking an AI Lead Engineer to define and lead the architectural direction of production-grade AI services, partnering with Product and Engineering leadership to translate business goals into scalable AI solutions.

This role blends hands-on development in Go and Python with architectural leadership, setting patterns, guiding major initiatives, and ensuring reliable, cost-aware systems at scale within our commerce platform.