BigCommerce, part of the Commerce brand family, helps merchants increase sales at every stage of their growth. From small startups to mid-market businesses and large enterprises, we provide the leading e-commerce platform. Our customers can then concentrate on what's most important: growing their businesses. We enable our customers to build, innovate, and grow, collectively reshaping the e-commerce industry.
What You’ll Do
Design, build, and iterate on AI agents in Go/Python using an orchestrator/sub-agent architecture, covering intent interpretation, delegation, and safe action execution
Own eval-driven development: build and maintain golden datasets, scorers, and regression suites (Braintrust or similar) for critical quality metrics such as discovery recall and quote accuracy
Develop and refine prompts, model configurations; treat prompts and model settings as versioned, tested artifacts
Integrate agents with MCP servers and backend tools, defining 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 to deliver intuitive, useful conversational experiences
Quickly build proof-of-concept agents to validate user stories, then harden them to GA quality
Drive architecture decisions on ambiguous problems and mentor other engineers in agent engineering practices
Who Are You
5+ years of experience in backend or full-stack software development, with hands-on experience building agentic AI/LLM applications
Education: Preferred minimum Bachelor's degree in CS, EE, SW, CE, MIS; or equivalent experience
Strong and proven development skills in any major language (Go/Python/Ruby/PHP)
Experience working with LLMs (Gemini, Anthropic, OpenAI, etc.) in production systems
Experience with LLM evaluation: building datasets, defining 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 (gRPC, GraphQL, REST) and integrating data across systems
Hands-on experience building MCP servers or LLM tool integrations
Excellent problem-solving skills and ability to work in a fast-paced, exploratory environment
Strong collaboration and communication skills in cross-functional teams
Strong preference toward execution and delivery
Preferred
Experience with agent frameworks (Google ADK, LangChain/LangGraph, Semantic Kernel, or similar)
Experience with evaluation/observability platforms (Braintrust, LangSmith, or similar)
Experience with RAG systems and retrieval quality tuning
Experience with e-commerce platforms or SaaS product development
Background in conversational AI or natural language processing
#LI-REMOTE
#LI-GC1
(Pay Transparency Range: $116,000.00 - $195,000.00)
Work Where You Thrive
Commerce is a remote-first company. For team members in Austin, Atlanta, and London, we offer optional collaborative workspaces for team gatherings, workshops, and in-person connection. Use them whenever they’re helpful, balancing focused individual work with meaningful in-person collaboration.
Compensation Transparency
The national base salary range for this role is posted above in this job post.
Final compensation will be determined based on factors such as relevant experience, skills, qualifications and geographic location. We also consider internal equity to help ensure fair and consistent pay practices across our teams.
Where applicable, this role may also be eligible for variable compensation (such as bonus or commission), equity, and benefits in accordance with local policies. Details will be shared during the hiring process. We are committed to equitable and transparent pay practices that align to market data, internal equity, and individual contribution.
Inclusion and Belonging
At Commerce, we believe that celebrating the unique histories, perspectives and abilities of every employee makes a difference for our company, our customers and our community. We are an equal opportunity employer and the inclusive atmosphere we build together will make room for every person to contribute, grow and thrive.
We are committed to creating an inclusive and accessible hiring experience for all candidates. If you require accommodations or adjustments at any stage of the recruitment process, please let us know and we will work with you to meet your needs.
Learn more about the Commerce team, culture and benefits at https://www.commerce.com/careers/
Identity Verification
To protect our candidates and company from fraudulent activity, our interview process includes a government ID and biometric verification via Persona, our trusted identity verification provider. All information is collected and processed securely in accordance with applicable privacy laws.
Protect Yourself Against Hiring Scams: Our Corporate Disclaimer
Commerce, along with many other employers, has become the subject of fraudulent job offers to hopeful prospective job seekers.
Be advised
Commerce does not offer jobs to individuals who do not go through our formal hiring process.
Commerce will never
require payment of recruitment fees from candidates;
request personally identifiable information through unsanctioned websites or applications;
attempt to solicit money from you as part of the hiring process or as part of an employment offer;
solicit money to complete visa requirements as part of a job offer.
If you receive unsolicited offers of employment from Commerce, we urge you to be extremely cautious and avoid engaging or responding.
