Senior BigCommerce Front-End Engineer

Epam Systems; Hyderabad, Pune District, Bengaluru; On-site; INR 2,400,000 - 4,200,000; Full time

Job summary

Epam Systems in India is seeking a Senior BigCommerce Front-End Engineer to own storefront architecture, drive advanced customizations, and lead front-end engineering teams in delivering high-performing commerce experiences.

You will implement headless and Stencil builds, integrate design system components, and ensure accessibility, localization, and performance. A strong background in React/Next.js, BigCommerce APIs, and CI/CD is required.

Qualifications

• 5-10 years of front-end engineering experience
• Expertise in BigCommerce headless implementations
• Proficiency in JavaScript/TypeScript, React/Next.js (or Remix), and Node.js
• CSS-in-JS, state management (Redux, Zustand), and component-driven development (Storybook, atomic design)
• Experience leading client-facing engagements and translating UX/business goals into technical plans
• Experience delivering frontend experiences integrated with MACH services (CMS, search, personalization engines, CDP/CRM, DAM)
• Strong knowledge of responsive design, accessibility, SEO, analytics tagging, and A/B testing
• Experience with CI/CD pipelines (GitHub Actions, Azure DevOps, CircleCI)
• Familiarity with automated testing (Jest, Playwright/Cypress) and performance tools (Lighthouse)

Responsibilities

• Own end-to-end BigCommerce storefront architecture, including headless and Stencil builds
• Stand up and maintain modern front-end frameworks, API layers, and personalization hooks
• Translate UX designs into production-quality, accessible UI with localization considerations
• Lead code reviews, enforce engineering standards, and enable automated testing/CI pipelines
• Implement advanced BigCommerce customizations such as checkout flows and GraphQL usage
• Coordinate CMS, DAM, and marketing tool integrations for content operations
• Optimize site speed, SEO, and Core Web Vitals with observability dashboards
• Mentor nearshore/offshore engineers and foster AI-augmented development culture
• Capture best practices and playbooks to support onboarding and BAU releases

Skills

JavaScript/TypeScript

React/Next.js or Remix

Node.js

CSS-in-JS

Storybook & design systems

CI/CD pipelines

Accessibility & i18n

Leadership & client-facing

Tools

BigCommerce API

Storefront GraphQL

REST Admin API

GitHub Actions

Azure DevOps

CircleCI

Lighthouse

Job description

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

Location - Bangalore, Hyderabad, Pune, Gurgaon, Chennai, Coimbatore