Senior Technical Lead
Brazil
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Job Description
Senior Technical Lead
Sao Paulo, São Paulo

Job Summary

Sr. Technical Architect –Headless Commerce & Shopify Plus

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

Skill Requirements

  • 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.

Other Requirements

  • 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
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Information at a Glance

Why HCLTech?

At HCLTech, you'll supercharge your potential. You'll find your career. And you'll find your spark. All at a place that knows that helping its customers stay on top starts by putting its people first.

HCLTech is a global technology company, home to more than 223,000 people 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. Consolidated revenues as of 12 months ending June 2026 totaled $14.8 billion.