React Tech Lead

React Tech Lead

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

Lead the

design, architecture, and implementation

of the frontend application.

Write

clean, maintainable, and well-tested code

using modern React (including React 18 features).

Collaborate closely with backend engineers, designers, and product managers to deliver a

seamless and high-quality user experience

Establish and enforce

frontend best practices

related to code style, component composition, accessibility, state management, documentation, and tooling.

Lead the creation and maintenance of

scalable UI systems

, including component libraries and design systems.

Provide

technical mentorship

to frontend team members, supporting growth and ensuring alignment with architectural decisions.

Take ownership of the

entire frontend development lifecycle

, from planning to deployment.

Partner with other engineering teams to integrate APIs and ensure optimal application performance.

Must-have Skills

7+ years

of professional experience in frontend engineering with a strong specialization in

React

Expert-level knowledge of

ReactJS

, including React Hooks and modern React 18 capabilities.

Deep expertise in

HTML

(semantic markup, accessibility standards).

Strong expertise in

CSS

, including vanilla CSS and scalable CSS methodologies.

Hands-on experience with

frontend tooling

: Webpack, Babel, NPM / Yarn.

Strong experience with

Git

and GitHub-based workflows.

Experience working with

CSS-in-JS

libraries.

Proven experience building and maintaining

component libraries or design systems

Familiarity with

Storybook

for UI documentation and component-driven development.

Experience with or strong understanding of

microfrontend architectures

Bachelor’s degree in Computer Science, Software Engineering, or a related field.

Advanced English communication skills.

Nice-to-have

AI Tooling Proficiency :

Leverage AI tools to optimize day-to-day work (e.g., code generation, analysis, documentation, research). Recommend effective use of AI and identify automation opportunities.

Experience with performance optimization for large-scale frontend applications.

Familiarity with accessibility automation tools and frontend testing frameworks.

Understanding of cloud platforms (AWS, GCP, Azure).

Experience contributing to open-source UI tools or libraries.

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 employment type and location.

Find out more about our culture

here