Lead Software Engineer - AI Solutions - BigCommerce, Inc.

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. We believe in harnessing AI responsibly to unlock new possibilities, and we’re looking for individuals who use it intentionally to solve problems, accelerate outcomes, and expand what’s possible in their role. Our purpose is to 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 who 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.

What You'll Do:

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