Senior BigCommerce Front-End Engineer

Job description

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. 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 We offer • Opportunity to work on technical challenges that may impact across geographies • Vast opportunities for self-development: online university, knowledge sharing opportunities globally, learning opportunities through external certifications • Opportunity to share your ideas on international platforms • Sponsored Tech Talks & Hackathons • Unlimited access to LinkedIn learning solutions • Possibility to relocate to any EPAM office for short and long-term projects • Focused individual development • Benefit package: • Health benefits • Retirement benefits • Paid time off • Flexible benefits • Forums to explore beyond work passion (CSR, photography, painting, sports, etc.)