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.

• 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

• 510 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/ (or Remix) and
• 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)

• 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