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AOA

Commerce design & development consultant firm.

Senior Frontend Engineer – Shopify

EcommerceEcommerceContractRemoteSeniorTeam 11-50Since 2019H1B No SponsorCompany SiteLinkedIn

Location

Brazil

Posted

1 day ago

Salary

$5K / month

Seniority

Senior

Bachelor Degree5 yrs expEnglishGraphQLReactTypeScript

Job Description

Senior Frontend Engineer – Shopify

AOA

• Deliver high-quality, high-performing eCommerce frontend experiences that AOA is known for, with predictability, agentic-efficiency, and collaborative ownership. • Build production-grade storefronts in React and modern headless commerce frameworks such as Shopify Hydrogen. • Develop and customize classic Shopify: Liquid themes, apps, Checkout Extensions, and store configuration. • Serve as AOA's Shopify technical lead: set the Shopify standard, review and oversee Shopify work, and be the platform authority the team relies on. • Lead Shopify migrations and establish CI/CD and deployment pipelines for themes and apps. • Turn product-level objectives into clear, actionable engineering tasks and own the technical approach. • Translate Figma designs into reusable storefront components and design-system primitives that help the team ship faster. • Connect storefronts to commerce and content APIs, handling variants, inventory, pricing, loading, errors, empty states, and partial data. • Plan and sequence your work across multiple client projects, bringing recommendations rather than open-ended problems. • Write tested, maintainable TypeScript that follows each client codebase's conventions. • Self-review your work and catch issues before QA, with particular care on revenue-bearing flows. • Conduct code reviews and hold the bar on quality across the work you review. • Use AI coding tools and agents thoughtfully while keeping engineering judgment in control. • Communicate proactively across a remote team, sharing progress and surfacing risks early.

Job Requirements

  • 5+ years building production frontend applications, with deep, current React and TypeScript expertise.
  • 4+ years building and owning Shopify experience across classic and headless builds.
  • Prior experience working in an agency environment and as an independent contractor, with the ability to manage multiple clients or projects in parallel.
  • Strong experience on enterprise-grade accounts, products, or projects.
  • Strong experience in Liquid theme development (Online Store 2.0), Shopify apps, Checkout Extensions, store configuration, and migrations.
  • Experience as the senior technical authority on Shopify: setting the standard, reviewing and overseeing others' Shopify work, and owning CI/CD and version control for themes or apps.
  • A track record of owning storefront features end-to-end, from ambiguous requirements to production.
  • Strong frontend fundamentals: semantic HTML, modern CSS, responsive design, accessibility, and browser behavior.
  • Experience translating Figma designs into accurate, responsive, accessible interfaces.
  • Experience integrating REST or GraphQL APIs (Storefront API or similar) and managing client and server state, including cart.
  • A strong quality discipline: typed, tested code and self-review before QA.
  • Ability to estimate your work, commit within a delivery cycle, and reliably deliver.
  • Excellent professional English, spoken and written, with reliable overlap with standard US Central Time business hours.
  • Fluent, practical use of AI coding tools as part of your engineering workflow.
  • Based in Latin America and able to work as an independent contractor.

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