Frontend React Developer

emagine; Lisboa; On-site; EUR 38,000 - 60,000; Full time

Job summary

emagine is seeking a proactive Frontend React Developer to drive modernization of a digitalization portal. You will build user-centric web apps, participate in redesign efforts, and collaborate with product and design teams to deliver responsive, accessible experiences.

The role emphasizes high performance, scalable frontend solutions, and active contribution to frontend architecture within an Agile setting. Fluency in English is required.

Qualifications

• 3+ years of frontend development experience.
• Proficient with React.
• Strong understanding of UX/UI principles and responsive design.
• Experience integrating REST APIs.
• Good knowledge of HTML5, CSS3, JavaScript and/or TypeScript.
• Experience with modern frontend development practices and tools.
• English level B2/C1 or higher.

Responsibilities

• Develop and maintain web applications using React and modern frontend technologies.
• Participate in redesign and modernization of an existing digital platform.
• Collaborate with UX/UI teams to create intuitive interfaces.
• Translate business and design requirements into scalable frontend solutions.
• Ensure responsive design, performance optimization, and accessibility standards.
• Contribute to frontend architecture, code quality, and best practices.
• Work within an Agile development environment.

Skills

Frontend development

React

UX/UI basics

REST API integration

HTML5/CSS3/JavaScript/TypeScript

Modern frontend tooling

English proficiency (B2/C1+)

Tools

Next.js

Design systems

Component libraries

Agile/Scrum

Job description

We are looking for a Frontend React Developer to join an exciting digital transformation project involving the complete modernization of a digitalization portal. The main objective is to redesign and enhance the platform while ensuring the highest possible level of automation and traceability across processes related to digital certification and document management.

You will work closely with business stakeholders, product teams, and designers to deliver modern, user-centric, and high-performing web applications.

Key Responsibilities

• Develop and maintain web applications using React and modern frontend technologies.
• Participate in the redesign and modernization of an existing digital platform.
• Collaborate with UX/UI teams to create intuitive and user-friendly interfaces.
• Translate business and design requirements into scalable frontend solutions.
• Ensure responsive design, performance optimization, and accessibility standards.
• Contribute to frontend architecture, code quality, and best practices.
• Work within an Agile development environment.

Required Skills & Experience

• Minimum 3 years of experience in Frontend Development.
• Strong hands-on experience with React.
• Solid understanding of UX/UI principles and responsive design.
• Experience integrating REST APIs.
• Good knowledge of HTML5, CSS3, JavaScript, and/or TypeScript.
• Experience with modern frontend development practices and tools.
• English level B2/C1 or higher.

Nice to Have

• Experience with Next.js.
• Knowledge of Design Systems and component libraries.
• Experience working on portal modernization or digital transformation projects.
• French language skills.
• Familiarity with Agile/Scrum methodologies.

What We're Looking For

We are seeking a proactive and user-focused professional who combines strong React development skills with a genuine appreciation for UX/UI design. The ideal candidate enjoys building modern digital experiences and contributing to the successful transformation of existing platforms into intuitive, efficient, and scalable solutions.