Senior BigCommerce Front-End Engineer

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

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/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.) .