Senior Frontend Engineer (Shopify/Craft CMS)

Location: Poland; Fully Remote

Company

Avenga is an international engineering firm helping businesses operate with AI at the core, with more than 6,000 experts worldwide.

What you will do

• Develop, customize, and maintain Shopify themes, templates, sections, integrations, and Craft CMS modules and plugins.
• Build responsive, accessible, pixel-perfect websites from Figma and XD designs.
• Optimize performance, Core Web Vitals, technical SEO, and WCAG accessibility.
• Integrate Shopify and Craft CMS with third-party systems through REST APIs.
• Troubleshoot production issues and ensure consistent user experiences across devices and browsers.
• Manage deployments, environments, updates, security practices, and collaboration with designers, marketers, and other stakeholders.

Requirements

• Commercial experience with Shopify or Shopify Plus.
• Strong knowledge of Liquid, HTML, CSS, JavaScript, and PHP.
• Experience with Craft CMS 4/5.
• Good understanding of Twig, REST APIs, Git, GitHub, and Jira.
• Experience with performance optimization, technical SEO, and WCAG accessibility standards.
• Ability to translate Figma or 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.

Culture & Benefits

• Fully remote work from Poland.
• International, collaborative environment with designers, marketers, and other stakeholders.
• Respectful workplace committed to equal opportunities and inclusion.

Hiring process

• Submit a CV describing core skills and career goals.
• Complete a talent call, technical interview, and, for some roles, a customer interview.