Senior Technical Architect – Shopify Plus & Headless Commerce (Remote)

About HCLTech

HCLTech is a global technology company, spread across 60 countries, delivering industry-leading capabilities centered around digital, engineering, cloud and AI, powered by a broad portfolio of technology services and products. We work with clients across all major verticals, providing industry solutions for Financial Services, Manufacturing, Life Sciences and Healthcare, Technology and Services, Telecom and Media, Retail and CPG, and Public Services. We re powered by our people a global, diverse, multi-generational talent - representing 161 nationalities whose unique spark, perspective and boundless passion drive our culture of proactive value creation and problem-solving.

Role Overview:

We are looking for an experienced Sr.

Technical Architect – Shopify Plus / Headless Commerce

with strong expertise in scalable e-commerce architecture, Shopify Plus, headless commerce, cloud platforms, system integrations, and full-stack development. The candidate will be responsible for architecting enterprise-grade commerce solutions, leading technical design, integrating third-party platforms, and supporting modernization/migration from legacy platforms to SaaS-based commerce solutions.

The ideal candidate should have hands-on experience in

Shopify Plus, Node.js, GraphQL/REST APIs, AWS, Azure DevOps, microservices, custom apps, middleware integrations, and performance optimization

.

Key Responsibilities:

• Architect scalable Shopify Plus and headless commerce solutions for enterprise e-commerce programs.

• Design end-to-end solution architecture, integration flows, runbooks, technical documentation, and release/version history.

• Develop and review Shopify custom apps using

Node.js, React, Remix, GraphQL, Admin APIs, Storefront APIs, and Shopify CLI

.

• Lead migration from legacy platforms such as

Salesforce Commerce Cloud, Drupal, Magento, WooCommerce, and AS400

to modern Shopify Plus/SaaS-based platforms.

• Design and implement headless commerce solutions using

Next.js, Vercel, GraphQL, and Shopify Storefront APIs

.

• Integrate Shopify with enterprise systems such as

SAP, AS400, PIM, Salsify, ADAM, Salesforce Marketing Cloud, Klaviyo, 3PL, POS, and marketplaces

.

• Build and support middleware and automation using

Azure Logic Apps, webhooks, Shopify Flow, cron jobs, task schedulers, and bulk operation APIs

.

• Implement payment, checkout, and anti-fraud extensions, including integrations with

CyberSource, CHASE, PayPal, Apple Pay, OTP APIs, spend limits, and bot/spam protection

.

• Support CI/CD, DevOps, deployment governance, release readiness, and production support using

Azure DevOps, GitHub, and ServiceNow

.

• Ensure compliance and tracking implementation using

GTM, GA4, OneTrust cookie compliance, and enhanced e-commerce tracking

.

• Provide technical estimates, impact analysis, value-add proposals, and modernization recommendations.

• Collaborate with business, product, design, vendor, and engineering teams across regions.
• Communicate effectively in

French and English

, including technical discussions, documentation, stakeholder updates, and written communication.

Required Experience:

• 10\+ years of overall technology experience

in e-commerce, enterprise platforms, system architecture, and full-stack development.

• Strong experience as a

Technical Architect / Sr. Technical Lead

.

• Proven experience delivering

Shopify Plus, headless commerce, custom apps, and enterprise e-commerce migrations

.

• Experience developing and integrating

enterprise projects

and migrating multiple legacy commerce platforms to SaaS-based solutions.

• Hands-on experience with

Shopify Liquid, Shopify Functions, Checkout Extensions, Shopify Admin APIs, Storefront APIs, GraphQL, REST APIs, Node.js, React, Remix, and Next.js

.

• Experience with cloud hosting and deployment using

AWS, load balancers, routing, Azure DevOps, CI/CD, and GitHub

.

• Experience with enterprise integrations including

ERP, PIM, marketplace, POS, payment, marketing automation, and 3PL systems

.

Mandatory Skills:

• Shopify Plus
• Headless Commerce
• Shopify Custom Apps
• Shopify Liquid, Shopify Functions, Shopify CLI
• Node.js / JavaScript
• React / Remix / Next.js
• GraphQL and REST API design
• AWS cloud hosting, load balancer, routing
• Azure DevOps, CI/CD, GitHub
• Microservices and system design
• Shopify Admin APIs and Storefront APIs
• Middleware and Azure Logic Apps
• ERP/PIM/Marketplace/POS integrations
• GTM, GA4, and OneTrust cookie compliance
• Performance optimization and scalability
• GenAI tools such as Gemini, Claude, Cursor, or commerce chatbot experience