Shopify POS UI React/TypeScript.

We are looking for a skilled lead developer with proven experience in the Shopify Point of Sale (POS) system. This role requires strong technical expertise, a deep understanding of the Shopify ecosystem, and of domain expertise in retail store operations.

Responsibilities :

- Design, build, and lead delivery of Shopify POS UI Extensions for multiple retail use cases.

- Develop POS experiences using Shopify POS UI Extension components with React/TypeScript.

- Migrate older POS UI extension versions to the latest (APIs, components, breaking changes, rollout plan).

- Integrate with Shopify Admin GraphQL/REST APIs, Webhooks, App Bridge, and (optionally) Remix/Node.js backends.

- Set up CI/CD to build, test, and deploy via the Shopify Partners Dashboard.

- Configure Smart Grid to surface the right extensions by store/location/role.

- Actively monitor Shopify POS app release notes and POS UI Extensions changelogs, assess impact, and collaborate with Shopify Plus Support on issues or changes.

- Troubleshoot, profile, and debug production issues, drive RCA and prevention.

- Build/modify integrations with third-party systems.

- Collaborate with product owners on requirements and technical specs.

- Partner with integration specialists on enterprise data flows and with RFID specialists on store inventory operations.

- Provide technical support for new-store openings and international expansion.

- Support testing and deployments across dev/QA/stage/prod; use feature flags/rollbacks.

- Diagnose issues with POS peripherals and integrate new hardware.

- Mentor developers; enforce code quality, observability, and security best practices.

Qualifications :

- 10 years total IT experience, including 3+ years in POS/E-commerce for large retailers (>$500M revenue).

- 3-5 years hands-on Shopify POS development (POS UI Extensions, App Bridge, Admin APIs).

- Strong proficiency in HTML5, CSS3, JavaScript (ES6+), React, TypeScript.

- Solid understanding of Liquid Templating Language and Polaris Component for Admin experiences.

- Proven integrations with payment gateways, tax engines, loyalty/fraud platforms, ERP, Inventory, OMS.

- Experience with REST and GraphQL; working knowledge of Shopify Admin GraphQL API, Webhooks, AWS EventBridge.

- Ability to design and develop custom Shopify apps for specific user scenarios.

- Proficient with Git and collaborative workflows (PRs, code reviews).

- Strong debugging skills, attention to detail, and ownership mindset.