Lead Software Engineer - AI Solutions

BigCommerce • Austin, TX

1d • Remote

About The Position

Welcome to the Agentic Commerce Era At Commerce, our mission is to empower businesses to innovate, grow, and thrive with our open, AI-driven commerce ecosystem. As the parent company of BigCommerce , Feedonomics , and Makeswift , we connect the tools and systems that power growth, enabling businesses to unlock the full potential of their data, deliver seamless and personalized experiences across every channel, and adapt swiftly to an ever-changing market. Simply said, we help businesses confidently solve complex commerce challenges so they can build smarter, adapt faster, and grow on their own terms. If you want to be part of a team of bold builders, sharp thinkers, and technical trailblazers, working together to shape the future of commerce, this is the place for you. As a Commerce brand, Feedonomics is a leading product feed management platform that helps brands, retailers, and agencies list and optimize products across top ecommerce channels worldwide. Feedonomics manages everything from onboarding to ongoing feed optimization, enabling our clients to scale faster with less effort. Feedonomics has earned a strong reputation for a full-service model and powerful technology—all rooted in a commitment to excellence. We are seeking a highly accountable, hands-on AI Lead Engineer to define and lead the architectural direction of our AI services, establishing the standards and patterns that guide implementation. As a key member of the AI technical staff, you will shape the architecture, design standards, and implementation approach for production-grade AI systems that power critical business capabilities. You will partner closely with Product and Engineering leadership to translate business objectives into scalable, well-architected AI solutions. This role combines deep hands-on development with architectural leadership: setting technical patterns, guiding major initiatives from design through delivery, and ensuring our AI services are reliable, performant, and cost-aware in production.

Requirements

• 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

Nice To Haves

• Experience working with large taxonomies or structured classification systems
• Experience in e-commerce, product catalogs, or sales channel data models
• Familiarity with frontend frameworks (React, Angular)

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
• Work directly with Product Managers and stakeholders to clarify goals and define measurable success criteria
• Balance hands-on engineering with architectural oversight
• Ensure architectural consistency and adherence to established design standards
• Raise the technical bar through thoughtful reviews and shared engineering standards

What This Job Offers

• Job Type: Full-time
• Career Level: Mid Level
• Education Level: No Education Listed
• Number of Employees: 501-1,000 employees