Senior Shopify Developer

Avenga; Polska; On-site; PLN 120,000 - 180,000; Full time

Job summary

Avenga is seeking an experienced Shopify / Craft CMS Developer to join an international team working on modern e-commerce and digital experience platforms. You will develop, customize, and maintain Shopify themes and Craft CMS components, translating designs into pixel-perfect websites while optimizing performance and accessibility.

The role focuses on building responsive, accessible experiences, integrating with third-party systems, and collaborating with designers and marketers to deliver

Qualifications

• Commercial experience with Shopify or Shopify Plus.
• Strong knowledge of Liquid, HTML, CSS, JavaScript, PHP.
• Experience with Craft CMS 4/5.
• Good understanding of Twig, REST APIs, Git, GitHub, and Jira.
• Experience with performance optimization, technical SEO, and accessibility WCAG.
• Ability to translate Figma/XD designs into pixel-perfect, responsive websites.
• Strong attention to detail and a passion for clean, maintainable code.

Responsibilities

• Develop, customize, and maintain Shopify themes, templates, sections, and integrations.
• Build responsive, accessible websites based on Figma designs.
• Optimize website performance, Core Web Vitals, SEO, and accessibility.
• Integrate Shopify and Craft CMS with third-party systems via APIs.
• Create and maintain custom modules, plugins, and reusable components.
• Troubleshoot production issues and ensure a smooth user experience across devices and browsers.
• Manage deployments, environments, updates, and security best practices.
• Collaborate closely with designers, marketers, and other stakeholders.

Skills

Shopify/Shopify Plus

Liquid

HTML

CSS

JavaScript

PHP

Craft CMS 4/5

Twig

REST APIs

Git

GitHub

Jira

Performance optimization

Technical SEO

WCAG accessibility

Pixel-perfect design

Tools

Shopify

Craft CMS

Twig

REST APIs

Git

GitHub

Jira

Job description

Avenga is an international engineering firm helping businesses operate with AI at the core. With 6,000+ experts worldwide, we combine engineering expertise with AI-native thinking to turn ambitious ideas into real-world impact across industries, technologies, and markets.

At the core of the role

We're looking for an experienced Shopify / Craft CMS Developer to join an international team working on modern e-commerce and digital experience platforms.

Core skills you’ll bring

• Commercial experience with Shopify or Shopify Plus
• Strong knowledge of Liquid, HTML, CSS, JavaScript, PHP
• Experience with Craft CMS 4/5
• Good understanding of Twig, REST APIs, Git, GitHub, and Jira
• Experience with performance optimization, technical SEO, and accessibility standards (WCAG)
• Ability to translate Figma/XD designs into pixel-perfect, responsive websites
• Strong attention to detail and a passion for clean, maintainable code

Nice-to-have

• Experience with e-commerce integrations
• Knowledge of hosting, CI/CD, deployment workflows, and security best practices
• Experience working in fast-paced, collaborative environments

The impact you'll create

• Develop, customize, and maintain Shopify themes, templates, sections, and integrations
• Build responsive, accessible websites based on Figma designs
• Optimize website performance, Core Web Vitals, SEO, and accessibility
• Integrate Shopify and Craft CMS with third-party systems via APIs
• Create and maintain custom modules, plugins, and reusable components
• Troubleshoot production issues and ensure a smooth user experience across devices and browsers
• Manage deployments, environments, updates, and security best practices
• Collaborate closely with designers, marketers, and other stakeholders

People are at the core of Avenga. We provide equal opportunities regardless of race, ethnicity, gender identity, sexual orientation, disability, age, religion, or any other characteristic. We are committed to a respectful environment where everyone can be themselves, share their ideas, and feel that they belong.