Mid Frontend Developer

Shalion is a data-driven company that serves world-class manufacturers and brands globally. Through our Digital Shelf Optimization, Retail Media, and Food Service Aggregators solutions, we provide innovative tools for e-commerce monitoring.

At Shalion, we empower brands to make smarter business decisions in eCommerce by delivering actionable data and insights on online product prices, availability, share of search, and more. We operate across 1000+ e-retailers in 60+ countries, serving industry giants such as Heineken, Lego, Danone, Nestlé, Diageo, and JDE.

As a leader in data intelligence, we specialize in gathering, analyzing, and applying proprietary artificial intelligence to deliver relevant data and monitoring tools, helping our clients maximize their e-commerce performance.

The role

As a Mid Front-End Developer, you will develop modern, intuitive, and high-performance user interfaces. You’ll work closely with design and backend teams to deliver a seamless and exceptional user experience. You will report to the Head of Platform Design & UX.

Your Responsibilities:

• Develop and maintain responsive, accessible, and high-performance web interfaces.
• Collaborate with design and backend teams to deliver cohesive, user-centered experiences.
• Implement and maintain reusable components, adhering to the design system and coding standards.
• Ensure cross-browser, cross-device compatibility and responsiveness.
• Optimize applications for speed, scalability, and accessibility.
• Integrate with APIs and manage client-side state effectively.
• Contribute to code reviews, testing practices, and continuous improvement of frontend processes.

Your Profile Should Include:

• 2–3 years of professional frontend development experience.
• Strong knowledge of HTML5, CSS3 (Flexbox, Grid), and modern JavaScript (ES6+).
• Hands-on experience with React (including hooks, context, and component patterns).
• Familiarity with modern build and bundling tools (Vite, Webpack, etc.).
• Experience with Git and working in Agile teams.
• Solid understanding of responsive design, accessibility, and UX/UI principles.
• Experience with TypeScript.
• Familiarity with testing frameworks (Jest, React Testing Library, Cypress).
• Knowledge of performance optimization techniques (code splitting, lazy loading, memoization).
• Experience with design systems or component libraries.
• Exposure to CI/CD workflows and cloud environments.

Soft Skills We Value

• Adaptability – Ability to find solutions in uncertain situations.
• Curiosity – Eagerness to learn and engage in constructive discussions
• Quality-Oriented – Awareness of data quality and the importance of code testing.
• Analytical Thinking – Strong problem-solving skills.
• Collaboration – Experience working in Agile environments.

What We Offer

🌍 An international team – Work with colleagues from 10+ nationalities.

🚀 A dynamic and innovative environment – Be part of a high-performing team.

🏢 Hybrid work model – 3 days in-office, 2 days remote.

💡 Impactful work – Contribute to a challenging and innovative project.

🎟 Flexible benefits – Allocate part of your gross salary (pre-tax) to meal vouchers, transport allowance, and private healthcare at a preferential rate.

🍏 Office perks – Fresh fruit and specialty coffee daily.

📄 Contract – Permanent

💰Salary range – from 35,000€ to 45,000€ gross/yearly, according to experience and seniority.

📍 Great location – Office in Barcelona’s Sarrià-Sant Gervasi district.

Shalion Data Services Limited is an equal-opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for all employees.