> Markdown version of [/jobs/ext/1170135-shopify-middle-senior-developer-javascript-liquid-oopl](https://www.wearedevelopers.com/jobs/ext/1170135-shopify-middle-senior-developer-javascript-liquid-oopl). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Shopify Middle/Senior Developer (JavaScript&Liquid&OOPL - **Company:** UPG Enterprises LLC - **Location:** United States (Remote available) - **Experience:** Expert - **Contract:** Temporary contract - **Skills:** HTML, JavaScript (Programming Language), PHP (Programming Language), Browser Compatibility, Cascading Style Sheets (CSS), Software Debugging, DevOps, ECMAScript, Shopify, Web Performance Optimization, Apache Yarn, Vue.js, Webpack, AngularJS, Information Technology, Npm(Software), Front End Software Development, Software Version Control - **Published:** July 3, 2026 - **Apply:** https://www.itransition.com/careers/shopify-middle-senior-developer-javascript-liquid-oopl ## About the Role * Bachelor's degree in Computer Science, Engineering, or related field (or equivalent work experience) * 2+ years of commercial Shopify development experience * Strong communication and interpersonal skills, English knowledge B1+ * Proficiency in: * Liquid, HTML, PHP or other OO languages * CSS/CSS3, SCSS, LESS * JavaScript (ES5/ES6) * Experience with DevOps practices and version control * Good understanding of UX/UI design, * Experience with NPM/Yarn and Webpack * Familiarity with Shopify CLI, ThemeKit, and Slate * Experience with frontend frameworks such as React, Vue.js or Angular * Strong cross-browser/device/platform debugging skills * Understanding of web performance optimization ## Description We are looking for a Middle/Senior Shopify Developer to join a 3-4 month project within our international team. You will be responsible for implementing and maintaining cutting-edge e-commerce solutions alongside our experienced developers. office remoteEuropean Union ## Related Videos - [Lessons learned from building a thriving Vue.js SaaS application](https://www.wearedevelopers.com/videos/1666-lessons-learned-from-building-a-thriving-vue-js-saas-application) - [Modern Headless Commerce with Vendure](https://www.wearedevelopers.com/videos/489-modern-headless-commerce-with-vendure) - [The Resilience of the World Wide Web](https://www.wearedevelopers.com/videos/1281-the-resilience-of-the-world-wide-web) - [From DevOps to Scaled DevOps: How We’re Rebuilding Continuous Delivery as a Platform](https://www.wearedevelopers.com/videos/100018-from-devops-to-scaled-devops-how-we-re-rebuilding-continuous-delivery-as-a-platform) - [NoLoJS - Avoiding JavaScript Cruft with HTML and CSS - Aaron T. Grogg](https://www.wearedevelopers.com/videos/1806-nolojs-avoiding-javascript-cruft-with-html-and-css-aaron-t-grogg) - [petite-vue - Progressively enhancing every application?](https://www.wearedevelopers.com/videos/542-petite-vue-progressively-enhancing-every-application) ## Related Articles - [16 Best Free React UI Libraries in 2025](https://www.wearedevelopers.com/magazine/148-16-best-free-react-ui-libraries-in-2025) - [React Developer Salary [2023]](https://www.wearedevelopers.com/magazine/198-react-developer-salary-2023) - [Top 7 CSS Frameworks in 2025](https://www.wearedevelopers.com/magazine/362-top-7-css-frameworks-in-2025) - [The Best 7 Frontend Frameworks for Developers in 2025](https://www.wearedevelopers.com/magazine/400-the-best-7-frontend-frameworks-for-developers-in-2025) - [Dev Digest 121 - AI goes offline](https://www.wearedevelopers.com/magazine/456-dev-digest-121-ai-goes-offline) - [Why Upskilling And Reskilling is Important For Developers](https://www.wearedevelopers.com/magazine/428-why-upskilling-and-reskilling-is-important-for-developers)