React Developer

Fyld; Lisboa; On-site; EUR 40,000 - 56,000; Full time

Job summary

Fyld is seeking a React Developer to build scalable, maintainable frontend applications in a collaborative team in Portugal. You will craft high-quality UI and ensure robust performance across devices and browsers.

You will work with modern JavaScript/TypeScript, REST APIs, and CI/CD in an Agile environment, contribute to design systems, testing, and ongoing frontend improvements.

Qualifications

• Degree in Computer Science, Software Engineering, Information Technology, or related field.
• Minimum of 3 years of professional experience with React.
• Strong proficiency in React and modern JavaScript.
• Professional experience with JavaScript ES6+ and TypeScript.
• Strong knowledge of HTML5 and CSS3.
• Experience with modern React patterns and state management.
• Experience integrating frontend applications with REST APIs.
• Good understanding of responsive and accessible web development.
• Experience with frontend testing (Jest/RTL) and frontend tooling (Git, CI/CD).
• Ability to work effectively in Agile development teams.
• Fluency in English.

Skills

Fluent English

Agile teamwork

Analytical thinking

Problem-solving

Education

Bachelor's degree in CS/Software Engineering/IT

Tools

React

TypeScript

JavaScript ES6+

HTML5

CSS3

REST APIs

Git

CI/CD tooling

Job description

Fyld is hiring: React Developer

At Fyld, we believe the future is built with people, technology, and strong values.

We are a Portuguese consulting company that operates with transparency, respect, and a focus on everyone's growth.

We're looking for an experienced React Developer with strong frontend expertise and a focus on building scalable and maintainable applications.

Your Profile

• Degree in Computer Science, Software Engineering, Information Technology, or a related field


• Minimum of 3 years of professional experience with React


• Strong proficiency in React and modern JavaScript


• Professional experience with JavaScript ES6+ and TypeScript


• Strong knowledge of HTML5 and CSS3


• Experience with modern React patterns and state management


• Experience integrating frontend applications with REST APIs


• Good understanding of responsive and accessible web development


• Experience with frontend testing, using Jest, React Testing Library or similar


• Good knowledge of Git and version control


• Familiarity with modern build tools and CI/CD


• Ability to troubleshoot and optimize frontend applications


• Strong analytical and problem-solving skills


• Ability to work effectively in Agile development teams


• Fluency in English

Nice to Have

• Experience with Next.js


• Knowledge of React Query / TanStack Query


• Experience with GraphQL


• Experience with design systems


• Knowledge of frontend performance optimization

Our Values

• Critical thinking and autonomy


• Focus on meaningful solutions and real results


• Respect, transparency, and continuous growth

What you'll find at Fyld

• A collaborative team that values individual progress


• Access to continuous training and certifications


• A culture of proximity, respect, and recognition


• Challenging frontend projects where your expertise has real impact