Frontend Engineer (Senior/Lead) ID55143

AgileEngine; Barcelona; On-site; EUR 60,000 - 80,000; Full time

Benefits offered by this job

Mentorship

Competitive compensation

Flexible schedule

Education budget

Job summary

A leading software development company in Barcelona seeks a Senior/Lead Frontend Engineer to lead the development of modern web applications. This role involves designing high-performance UI components and driving technical decisions with a focus on React. The ideal candidate will have over 7 years of experience and a strong understanding of scalable architecture. The company offers competitive compensation and a flexible work environment including remote options.

Qualifications

• 7+ years of software development experience with a strong focus on modern web frontend technologies.
• Solid experience with React.js and component-based development.
• Experience integrating REST or GraphQL APIs into web applications.

Responsibilities

• Contribute to the frontend development of new web applications.
• Design and implement high-performance, maintainable UI components.
• Participate in code reviews, technical discussions, and mentorship.

Skills

React.js

Component-based development

State management (e.g., Redux, Zustand)

Dynamic and customizable layouts

REST or GraphQL integration

International collaboration

English communication

Education

University or college degree in Information Technology or related field

Tools

Vite

Webpack

CSS Modules

Tailwind

Job description

Why Join Us

AgileEngine is an Inc. 5000 company that creates award-winning software for Fortune 500 brands and trailblazing startups across 17+ industries. We rank among the leaders in areas like application development and AI/ML, and our people-first culture has earned us multiple Best Place to Work awards.

About the Role

As a Senior/Lead Frontend Engineer, you will lead the development of modern web applications, crafting high-performance, scalable, and reusable UI components that bring complex data to life. Working with React and modern frontend architectures, you’ll drive technical decisions, mentor developers, and shape best practices in code quality, accessibility, and performance. This role offers strong influence on product experience and architecture while contributing to a collaborative, innovation-driven environment.

What You Will Do

• Contribute to the frontend development of new web applications;
• Design and implement high-performance, maintainable, and reusable UI components;
• Drive the migration to modern tech stacks and architect scalable features for React applications;
• Visualize complex data sets using advanced frontend techniques;
• Ensure best practices in front-end architecture, code quality, accessibility, and testing;
• Participate in code reviews, technical discussions, and mentorship of developers;
• Continuously research and advocate for improvements in performance, scalability, and developer experience.

MUST HAVES

• University or college degree in Information Technology or a related field, or relevant work experience;
• 7+ years of software development experience with a strong focus on modern web frontend technologies;
• Solid experience with React.js and component-based development;
• Strong understanding of building dynamic and customizable layouts;
• Experience building or consuming design systems and reusable UI component libraries;
• Knowledge of clean code principles, design patterns, and scalable frontend architecture;
• Experience integrating REST or GraphQL APIs into web applications;
• Experience with state management tools such as Redux or Zustand;
• Experience with build tools such as Vite, Webpack, or ESBuild;
• Experience with styling systems such as CSS Modules, Tailwind, styled-components, or CSS-in-JS;
• Structured and analytical working style with strong team collaboration skills;
• Excellent English communication skills.

NICE TO HAVES

• German language proficiency.

PERKS AND BENEFITS

• Professional growth: Mentorship, TechTalks, and personalized growth roadmaps.
• Competitive compensation: USD-based pay with education, fitness, and team activity budgets.
• Exciting projects: Modern solutions with Fortune 500 and top product companies.
• Flextime: Flexible schedule with remote and office options.

Meet Our Recruitment Process

Application → Coding Challenge → Video Interview → Technical Interview or Interview with the Hiring Manager(s). Each step helps us understand your skills and overall fit. If it’s a match, you’ll receive an offer.