Senior Software Engineer - AI Agentic

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. 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. Commerce is seeking a seasoned Senior Software Engineer to join our AI Agentic Platform Team. This team is responsible for building the intelligent agent infrastructure Merchant Assistant (control panel) and the Brand Agent (storefront) that powers AI-driven experiences for merchants and their customers. You will collaborate closely with product managers, applied AI engineers, platform engineers, and infrastructure teams to design and deliver scalable, secure, and production-grade agent systems. This role is ideal for an engineer with a strong technical foundation, excellent communication skills, and a passion for building reliable systems at the intersection of AI, automation, and ecommerce. You should be comfortable operating in a high-impact domain where correctness, performance, and thoughtful system design directly influence merchant growth and customer experience. The AI Agentic Platform Team builds and maintains the foundational services, orchestration layers, and runtime infrastructure that enable AI agents across the BigCommerce platform. Our focus is on scalability, safety, extensibility, and observability to ensure agents can autonomously assist merchants in managing, optimizing, and growing their stores—while also enhancing shopper interactions. Our work spans agent orchestration, tool integrations, context management, guardrails, evaluation frameworks, and performance optimization of critical AI workflows. We are trusted stewards of an emerging and strategically critical platform capability, directly empowering merchant productivity, revenue growth, and next-generation commerce experiences. What You’ll Do: Produce bullet-proof code that is robust, efficient, and maintainable Work on challenging problems such as query optimization and performance optimization while adhering to security protocols Work closely with operations and infrastructure to improve the architecture while building and scaling back-end services Engage in technical discussion of new solutions and architectures Participate in code reviews to maintain and improve quality Mentor other engineers in the current domain Build beautiful, scalable products using modern tools Collaborate with our product and design teams to define feature specifications and timelines Build new features with a focus on testability and extensibility Engage in technical discussion of new solutions and architectures Review other engineer’s code to maintain and improve quality and security Support an open, positive, and energized culture Encourage innovation and foster an environment of continuous improvement Ensure that technical decisions support our goals of quality, performance, scalability, reliability, availability, and security Who You Are: 5+ years of professional experience as a Software Engineer Strong coding experience in server-side language (Golang) Education: Minimum Bachelor's degree in CS, EE, SW, CE, MIS. Extensive experience with principles of continuous integration and designing, implementing and taking ownership of various tasks across the development cycle Experienced in developing high-performance, scalable and available web services, and applications A team player who works closely with stakeholders, pod leaders, and other teams to promote communication and collaboration Enjoy working on solving challenging problems in a fun, collaborative environment. Highly proactive and results-oriented with excellent critical thinking and communications skills. Excited to learn about new technologies Experience with eCommerce and SaaS platforms is highly preferred #LI-KT01 #LI-REMOTE (Pay Transparency Range: $116,000.00 - $195,000.00) The exact salary will be dependent on the successful candidate’s location, relevant knowledge, skills, and qualifications. 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 will ensure that individuals with disabilities are provided reasonable accommodation to participate in the interview process, to perform essential job functions and to receive other benefits and privileges of employment. If you need an accommodation in order to interview at Commerce, please let us know during any of your interactions with our recruiting team. Learn more about the Commerce team, culture and benefits at 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. The Commerce story is one of global growth, incredible talent, and unstoppable passion in all we do. Despite our huge success so far, we’re still just getting started! Explore our history, mission and values. You’ll see we’re set on shaping the now - and the future - of ecommerce. Don’'t Miss Out! Like what you see but suffering from some serious FOMO? Join our Commerce Talent Community, and plug in to our latest news and career opportunities. We’re a group of clever, committed, curious people, unleashing talent in all we do. We believe in the power of togetherness, striving at the edge of what’s possible, impacting the lives of billions of people for the better. In all we do, We Do Extraordinary–and that’s no small feat! Our people are our power. It’s only through dedication, collaboration, and inspiration that we can Do Extraordinary. We’re natural problem-solvers, champions of empowering businesses, and hungry learners… but we also play nerf wars in the office, support each other, and hang out outside of work.