Frontend Engineer (React)

Frontend Engineer (React)
Location: Barcelona, Spain — Hybrid (3 days onsite, 2 days remote)

We are:
Wizeline, a global AI-native technology solutions provider, develops cutting-edge, AI-powered digital products and platforms. We partner with clients to leverage data and AI, accelerating market entry and driving business transformation. As a global community of innovators, we foster a culture of growth, collaboration, and impact.

With the right people and the right ideas, there’s no limit to what we can achieve.

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Are you a fit?

Sounds awesome, right? Now, let’s make sure you’re a good fit for the role:

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Key Responsibilities

• Develop, test, and maintain high-quality features and components using React.

• Write clean, scalable, maintainable, and well-tested code.

• Collaborate closely with the Lead Frontend Engineer, backend engineers, designers, and product partners.

• Participate in code reviews and help define frontend best practices.

• Contribute to the full frontend development lifecycle, from technical design through deployment.

• Ensure accessibility, performance, and reliability across the UI.

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Must-have Skills

(Remember to include years of experience)

• 5+ years of professional frontend development experience.

• Expert knowledge of modern ReactJS, including React Hooks and React 18 features.

• Strong command of HTML best practices, including semantic markup and accessibility.

• Deep expertise in CSS, including vanilla CSS and scalable CSS methodologies.

• Proficiency with modern tooling: Webpack, Babel, NPM/Yarn.

• Strong experience using Git and GitHub-based workflows.

• Experience with CSS-in-JS libraries (e.g., styled-components, Emotion).

• Experience building and maintaining component libraries or design systems.

• Familiarity with Storybook for component-driven documentation.

• Knowledge of or experience with microfrontend architectures.

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Nice-to-have

• AI Tooling Proficiency: Use AI tools to optimize workflows (e.g., code generation, analysis, testing). Ability to propose effective AI use cases for improving development efficiency.

• Experience optimizing frontend performance for large-scale applications.

• Familiarity with accessibility automation tools or testing frameworks (e.g., Jest, RTL, Cypress).

• Understanding of cloud platforms such as AWS, GCP, or Azure.

• Contributions to open-source libraries or UI tooling.

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Work Model

This role follows a hybrid model based in Barcelona, Spain, with 3 days per week onsite and 2 days remote.

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What we offer

• A High-Impact Environment

• Commitment to Professional Development

• Flexible and Collaborative Culture

• Global Opportunities

• Vibrant Community

• Total Rewards

Specific benefits are determined by the employment type and location.

Find out more about our culture here