Frontend Engineer

We are looking for an experienced Front-End Engineer to join our team on a 3-month contract, with the possibility of extension. The role will focus on building scalable, high-quality front-end solutions, developing reusable components, integrating APIs, and ensuring strong performance, accessibility, and reliability across our applications. Main duties

• Designing scalable front-end architectures
• Translating product/design requirements into high-quality code
• Developing reusable, maintainable components
• Implementing responsive and accessible interfaces
• Handling API integration
• Monitoring and improving front-end performance
• Writing unit, integration, and end-to-end tests
• Documenting application changes

• Bachelor’s degree in computer science
• 4 years or more of working experience in Front-end web development, React and TypeScript
• Great knowledge of Front-end technologies & frameworks:
• CSS3
• JavaScript (including ES6)
• HTML5
• Material UI
• React Hook Form with Zod
• TanStack Query
• Zustand
• Vitest or Jest for testing
• Ability to implement Responsive Web Design principles
• Fluency in Git
• AI-Assisted Development:
• Experience in utilizing AI tools during development (Copilot, Cursor, Claude…)

• Critical, deliberate approach to AI usage Nice to have skills

• Experience with styled components
• Knowledge of React Testing Library, MSW and Playwright or Cypress
• Building interactive maps with live-updating and draggable marker

• Experience in writing custom agent skills / instructions / rules General skills

• Excellent knowledge of English language (both verbal & written)
• Ability to write well-documented, reusable and clean code
• Care and value code maintainability, readability, and testing
• Ability to work in cross-functional team

• Remote-first with flexible working hours
• Collaborative, inclusive, team culture Inscribirse en esta oferta

Madrid Community of Madrid FÁCIL APLICACIÓNNUEVO Inscribirse en esta oferta Innovation Labs a leading R&D and Innovation company with the vision to leverage research in developing world-impacting solutions that bring value to society. Building on more than 30 years of applied research experience, we work at the intersection of artificial intelligence, data analytics, and large-scale software engineering to address complex challenges across multiple sectors. Our teams bring deep expertise in AI, machine learning, big data analytics, real-time and distributed systems, complex event processing, and cloud-native architectures. Drawing on strong foundations in European research and close collaboration with academic and industry partners, we are now channeling this experience into the development of scalable products. At Innovation Labs our people are at the core of everything we do. We foster a transparent, inclusive, and curious culture that values responsibility, continuous learning, and purposeful innovation. We are driven by the ambition to build technology that makes a meaningful difference.