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Lead Software Engineer, Search (Semantic Platform)

BigCommerce · 3 Locations · On-site

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About BigCommerce

Power modern buying experiences across brands, regions, and channels — all from a single, scalable foundation. Learn more. Backed by General Catalyst.

About the role

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. Found on 1752vc Careers, the job board for startup and VC roles.

What they're looking for

  • Architect the Future of Search: Lead the design and implementation of semantic search capabilities, utilizing OpenSearch to build a robust, hybrid search (BM25 + vector) capability from the ground up
  • Iterate & Optimize: Continuously evaluate, benchmark, and fine-tune search relevance, ranking models, and k-NN/neural search configurations within OpenSearch
  • Technical Leadership: Guide the technical roadmap for the Search team, establish engineering best practices, and mentor senior and mid-level engineers through complex architectural decisions
  • Production Excellence: Ensure the search platform meets ultra-low latency requirements and high-availability SLAs under massive, concurrent traffic loads while participating in the team's on-call rotation
More about this role

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.

We are looking for a Lead Software Engineer, Search to pioneer the next evolution of our search infrastructure. In this role, you won't just be maintaining query pipelines; you will be responsible for building, iterating, and scaling semantic search via hybrid...

Read the full posting on BigCommerce's site ↗

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