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Senior Engineer - Full Stack

what3words

Vietnam, Vietnam, Vietnam Hybrid February 19, 2026

Found Description

The Role



We are looking for a Senior Full Stack Engineer to develop an address autocomplete & validation app for Shopify, focusing on Checkout UI Extensions and app Admin configuration. This is a supported role with mentoring. Work closely with Swiftcomplete Product Managers—who define scope & functionality—and collaborate in the design process based on your experience.

Collaboration with Product Management

You’ll work closely with Swiftcomplete Product Managers who own scope and business outcomes. They will collaborate with you in the design process and expect you to contribute options and trade‑offs based on your engineering experience.

Responsibilities

  • Build the address autocomplete & validation app aligned with Shopify’s latest extensibility patterns.

  • Implement Checkout UI Extensions in React + TypeScript for merchant UX at checkout.

  • Build an embedded Admin/Settings experience u...

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