Shopify POS UI Lead Developer

Job Title – Shopify POS UI Lead DeveloperLocation – US (100% REMOTE)Type – Long term ContractJob detailsJob Summary: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.Key ResponsibilitiesDesign, 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) 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.Required Qualifications10–12 years total IT experience, including 5+ 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.Excellent communication and time-management; comfortable leading cross-functional initiatives.Nice to Have:Integrations between POS and RFID platforms.Knowledge in Latest POS UI Extension Targets.Knowledge of Latest Admin Direct API's.Experience with iPaaS and event-driven architectures.Observability Implementation (New Relic/Datadog/Sentry, alerts, dashboards, SLIs/SLOs). Knowledge of security best practices Tools & Stack (typical).JavaScript, React, TypeScript, @shopify/retail-ui-extensions(-react), Polaris., Shopify Admin GraphQL , Webhooks, App Bridge.CI/CD with GitHub Actions (or similar), Shopify Partners deploy.AWS (EventBridge, Lambda) or equivalent cloud services.Job Type: ContractPay: $ $80.00 per hourExperience:Shopify Point of Sale (POS) : 5 years (Required)E-commerce: 5 years (Required)Shopify POS development (POS UI Extensions, App Bridge): 3 years (Required)Liquid Templating Language and Polaris Component : 1 year (Required)payment, tax , loyalty/fraud platforms, ERP, Inventory, OMS: 1 year (Required)HTML5, CSS3, JavaScript (ES6+), React, TypeScript: 1 year (Required)Work Location: Remote