Senior BigCommerce Front-End Engineer

We are seeking a Senior BigCommerce Front-End Engineer to own storefront architecture, drive advanced customizations, and lead front-end engineering teams in delivering high-performing, scalable commerce experiences. Responsibilities Own the end-to-end BigCommerce storefront architecture, including headless and native Stencil builds, design system integration, component libraries, and performance guardrails Stand up and maintain modern front-end frameworks, API orchestration layers, and personalization hooks that power dynamic, omnichannel experiences Translate UX designs into production-quality, responsive UI with attention to accessibility and localization/internationalization requirements Lead code reviews, enforce engineering standards, and enable automated testing/CI pipelines for storefront repositories Implement advanced BigCommerce customizations such as checkout flows, theme extensions, GraphQL storefront API usage, micro-frontend patterns, and third-party app integrations Orchestrate CMS, DAM, and marketing tool integrations to streamline content operations, campaigns, and PIM-driven merchandising updates Optimize site speed, SEO, and Core Web Vitals, and maintain observability dashboards for proactive issue detection Mentor nearshore/offshore front-end engineers, coordinate day-to-day tasks, unblock dependencies, and foster an AI-augmented development culture Capture best practices, runbooks, and playbooks that support transition, onboarding, and continuous improvement without disrupting BAU releases Requirements 5–10 years of overall front-end engineering experience delivering enterprise commerce or experience platforms Expertise in BigCommerce, including headless implementations using Storefront GraphQL, REST Admin API, Channels API, and BigCommerce Widgets/App frameworks Proficiency in JavaScript/TypeScript, React/Next.js (or Remix), and Node.js Skills in CSS-in-JS, state management (Redux, Zustand), and component-driven development (Storybook, atomic design) Proven success leading client-facing engagements, with the ability to translate UX and business goals into technical plans and articulate trade-offs in real time Demonstrated capabilities delivering resilient, high-performing frontend experiences integrated with MACH services (CMS, search, personalization engines, CDP/CRM, DAM) Strong command of responsive design, accessibility, SEO, analytics tagging, and A/B testing enablement Experience with CI/CD pipelines (GitHub Actions, Azure DevOps, CircleCI) Familiarity with automated testing (Jest, Playwright/Cypress) and performance optimization tools (Lighthouse, WebPageTest) Nice to have Exposure to cloud AI-enabled experiences, personalization engines, or conversational/agentic commerce solutions Familiarity with Shopify, commercetools, or SAP Commerce and ability to cross-pollinate composable best practices Knowledge of retail/promotional calendars, multi-lingual content operations, and store-level digital tactics Experience with design ops, Figma-to-code workflows, and design system governance Comfort leveraging AI copilots and automation to accelerate development and regression coverage