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 an experienced Lead Software Engineer with deep BigCommerce expertise to architect and deliver next-generation storefront experiences. In this role, you will drive end-to-end technical leadership for headless and native commerce implementations, mentor a distributed engineering team, and shape modern, high-performing, omnichannel digital experiences.
Responsibilities
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Own the end-to-end BigCommerce storefront architecture (headless and native Stencil builds), including design system integration, component libraries, and performance guardrails
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Stand up and maintain modern front-end frameworks (React/Next.js/Remix), API orchestration layers, and personalization hooks that power dynamic, omnichannel experiences
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Translate UX designs into production-quality, responsive UI with meticulous attention to accessibility (WCAG 2.1 AA) and localization requirements (English & French Canadian)
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Lead code reviews, enforce engineering standards, and enable automated testing/CI pipelines for storefront repositories
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Implement advanced BigCommerce customizations: checkout flows, theme extensions, GraphQL storefront API usage, micro-frontend patterns, and integration of third-party apps (payments, search, loyalty, personalization)
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Orchestrate CMS, DAM, and marketing tool integrations to streamline content operations, campaigns, and PIM-driven merchandising updates
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Optimize site speed, SEO, Core Web Vitals, and maintain observability dashboards for proactive issue detection
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Mentor nearshore/offshore front-end engineers, coordinate day-to-day tasks, unblock dependencies, and foster an AI-augmented development culture
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Capture best practices, runbooks, and playbooks that support transition, onboarding, and continuous improvement without disrupting BAU releases
Requirements
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8+ years of front-end engineering experience delivering enterprise commerce or experience platforms
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5+ years building on BigCommerce, including headless implementations using Storefront GraphQL, REST Admin API, Channels API, and BigCommerce Widgets/App frameworks
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Proficiency in modern JavaScript/TypeScript, React/Next.js (or Remix), and Node.js
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Expertise in CSS-in-JS, state management (Redux, Zustand), and component-driven development (Storybook, atomic design)
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Proven success leading client-facing engagements — able to translate UX and business goals into technical plans and articulate trade-offs in real time
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Showcase of delivering resilient, high-performing frontend experiences integrated with MACH services (CMS, search, personalization engines, CDP/CRM, DAM)
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Strong command of responsive design, accessibility, and SEO, along with analytics tagging and A/B testing enablement
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Background in CI/CD pipelines (GitHub Actions, Azure DevOps, CircleCI) and automated testing (Jest, Playwright, Cypress)
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Familiarity with performance optimization tools (Lighthouse, WebPageTest)
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English language skills at B2 level or higher
Nice to have
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Exposure to GCP/Vertex AI-enabled experiences, Dynamic Yield personalization, or conversational/agentic commerce solutions
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Familiarity with Shopify, commercetools, or SAP Commerce and ability to cross-pollinate composable best practices
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Knowledge of Canadian retail/promo calendars, bilingual content operations, and store-level digital tactics
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Experience with design ops, Figma-to-code workflows, and design system governance
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Comfort leveraging AI copilots and automation to accelerate development and regression coverage
We offer
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Opportunity to work on technical challenges that may impact across geographies
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Vast opportunities for self-development: online university, knowledge sharing opportunities globally, learning opportunities through external certifications
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Opportunity to share your ideas on international platforms
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Sponsored Tech Talks & Hackathons
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Unlimited access to LinkedIn learning solutions
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Possibility to relocate to any EPAM office for short and long-term projects
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Focused individual development
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Benefit package:
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Health benefits
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Retirement benefits
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Paid time off
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Flexible benefits
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Forums to explore beyond work passion (CSR, photography, painting, sports, etc.)
