Frontend Engineer (React)

at WIZELINE

Spain

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.

Are you a fit?

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

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.

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.

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.

Work Model

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

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