Frontend Shopify Developer

As a Frontend Shopify Developer at IMPACT Commerce Portugal, you will play a crucial role in building high-performing, visually engaging, and highly scalable e-commerce solutions for some of our largest clients. After a careful onboarding, you will have high involvement in creating modern storefronts, custom Shopify themes, and bespoke user experiences, contributing directly to technical execution and design-to-code precision within our distributed engineering team., You will work primarily with Liquid, HTML5, CSS3/Sass, JavaScript, and modern frontend tooling, along with Shopify’s Storefront API and headless architectures where applicable. You will be part of our team in Portugal, working collaboratively with our delivery, design, and engineering teams., * Develop, customize, and maintain robust, high-converting Shopify and Shopify Plus themes.

• Translate complex UI/UX design mockups into clean, performant, and responsive cross-browser frontend code.

• Analyze client requests and adapt technical solutions to balance client goals with code quality and platform best practices.

• Participate in client meetings to clarify technical requirements, present options, and demonstrate solutions.

• Collaborate with cross-functional teams to define, estimate, document, and evaluate technical tasks and architectures.

• Optimize Shopify storefronts for maximum speed, web performance (Core Web Vitals), SEO, and accessibility standards.

• Integrate third-party Shopify apps, custom apps, and APIs to extend store functionality.

• Establish and promote frontend best practices, code consistency, and reusable component libraries.

• Work closely with QA and delivery teams to ensure deliverables meet stringent performance and usability standards.

• At least 3 years of professional experience in frontend web development.

• At least 2 years of hands-on experience building custom themes and storefronts on Shopify / Shopify Plus, including experience with theme app extensions and Shopify Plus checkout extensibility as a strong plus.

• Deep mastery of Shopify Liquid template language, theme architecture, and Online Store 2.0 features.

• Strong expertise in HTML5, CSS3, SCSS/Sass, JavaScript (ES6+), and asynchronous API integration (REST / GraphQL).

• Solid experience with modern build tools, version control, and CI/CD pipelines (Git, GitHub/GitLab, npm/yarn, Webpack/Vite).

• Experience with headless commerce concepts or Shopify Storefront API (Hydrogen/React) is a strong plus.

• Experience with B2B storefront features and international storefronts using Shopify Markets is a strong plus.

• Experience in an agency, consultancy, or fast-paced digital product environment.

• Familiarity with agile methodologies and project management platforms like JIRA.

• Strong focus on web performance optimization, mobile-first design, accessibility, and SEO best practices.

• Great problem-solving skills with a solution-oriented and quality-focused mindset.

• Willingness to continuously learn, adapt to new technologies, and share knowledge across teams.

• Fluent in English, both written and spoken.

• Opportunity to participate in innovative projects, creating disruptive digital experiences for our clients around Europe. Read some of our case studies here;
• Possibility to work with a diverse technical ecosystem, with trending technologies and platforms in the market;
• Flexible homework scheme: remote work available;
• In-person team meet-ups several times a year (including team-building activities, Summer Event, Christmas Party, etc);
• Health insurance;
• Flex benefits Policy;
• Possibility to attend industry events and take certifications on the platforms and technologies we work with;
• Be part of a team where we value genuine human connections. Companionship is a word that everyone agrees would describe us as a company

For more than 20 years, IMPACT has pioneered some of the most advanced commerce solutions in the Nordics. What started in Aarhus, Denmark, has grown into a European powerhouse with offices across the world.

While we cover all the major tech platforms and work with some of the most exciting businesses, we make a sincere effort to stay down-to-earth. It’s who we are, and it’s the kind of talent we want to attract. We empower people and businesses to drive positive change and quality experiences, and we’re not afraid to take the lead on shaping the future of commerce.

Today, we’re a global team of digital talents working to strategize, craft, and support all things tech. We push the boundaries for commerce with curiosity, ambition, and empowerment that cement the ambition to change commerce for the better. But it’s not all about size. Because more than anything, we want to maintain our collective can-do attitude that creates a working environment where everything is possible - and have fun while doing it., Commerce has never stood still. Neither have we.

For more than 25 years, we’ve helped ambitious businesses turn change into growth by taking the time to understand what truly moves their business.

From strategy and experience to technology, data, and execution, every capability sits under one roof. That’s how we move faster, align better, and build solutions that hold over time.