EPAM is a leading global provider of digital platform engineering and development services. We are committed to having a positive impact on our customers, our employees, and our communities. We embrace a dynamic and inclusive culture. Here you will collaborate with multi-national teams, contribute to a myriad of innovative projects that deliver the most creative and cutting-edge solutions, and have an opportunity to continuously learn and grow. No matter where you are located, you will join a dedicated, creative, and diverse community that will help you discover your fullest potential.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.ResponsibilitiesOwn the end-to-end BigCommerce storefront architecture, including headless and native Stencil builds, design system integration, component libraries, and performance guardrailsStand up and maintain modern front-end frameworks, API orchestration layers, and personalization hooks that power dynamic, omnichannel experiencesTranslate UX designs into production-quality, responsive UI with attention to accessibility and localization/internationalization requirementsLead code reviews, enforce engineering standards, and enable automated testing/CI pipelines for storefront repositoriesImplement advanced BigCommerce customizations such as checkout flows, theme extensions, GraphQL storefront API usage, micro-frontend patterns, and third-party app integrationsOrchestrate CMS, DAM, and marketing tool integrations to streamline content operations, campaigns, and PIM-driven merchandising updatesOptimize site speed, SEO, and Core Web Vitals, and maintain observability dashboards for proactive issue detectionMentor nearshore/offshore front-end engineers, coordinate day-to-day tasks, unblock dependencies, and foster an AI-augmented development cultureCapture best practices, runbooks, and playbooks that support transition, onboarding, and continuous improvement without disrupting BAU releasesRequirements5–10 years of overall front-end engineering experience delivering enterprise commerce or experience platformsExpertise in BigCommerce, including headless implementations using Storefront GraphQL, REST Admin API, Channels API, and BigCommerce Widgets/App frameworksProficiency in JavaScript/TypeScript, React/Next.js (or Remix), and Node.jsSkills 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 timeDemonstrated 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 enablementExperience with CI/CD pipelines (GitHub Actions, Azure DevOps, CircleCI)Familiarity with automated testing (Jest, Playwright/Cypress) and performance optimization tools (Lighthouse, WebPageTest)Nice to haveExposure to cloud AI-enabled experiences, personalization engines, or conversational/agentic commerce solutionsFamiliarity with Shopify, commercetools, or SAP Commerce and ability to cross-pollinate composable best practicesKnowledge of retail/promotional calendars, multi-lingual content operations, and store-level digital tacticsExperience with design ops, Figma-to-code workflows, and design system governanceComfort leveraging AI copilots and automation to accelerate development and regression coverageWe offerOpportunity to work on technical challenges that may impact across geographiesVast opportunities for self-development: online university, knowledge sharing opportunities globally, learning opportunities through external certificationsOpportunity to share your ideas on international platformsSponsored Tech Talks & HackathonsUnlimited access to LinkedIn learning solutionsPossibility to relocate to any EPAM office for short and long-term projectsFocused individual developmentBenefit package:Health benefitsRetirement benefitsPaid time offFlexible benefitsForums to explore beyond work passion (CSR, photography, painting, sports, etc.)