
Lisbon, Porto - Portugal March, 31st 2025
Senior Front-End Developer
Job Description
We are looking for a Senior Front-End Developer for a project on hybrid basis in Lisbon/Porto.
Requirements:
- Graduated in Information Systems or related field;
- At least 5 years experience in front-end development;
- Experience using React.js, Typescript and Next.js;
- Proven experience working with micro frontends architecture and principles;
- Solid understanding of Test-Driven Development (TDD) and hands-on experience in writing testable code;
- Familiarity with automation testing tools and frameworks such as Jest, Cypress and Selenium;
- Deep knowledge of HTML5, CSS3 and JavaScript;
- Experience with state management libraries like Redux, Recoil, or similar;
- Knowledge of RESTful APIs and integrating front-end with back-end services;
- Familiarity with build tools like Webpack, Babel, and task runners like Gulp or Grunt;
- Knowledge of other front-end technologies, like Vue.js or Angular are valued;
- Fluent English is mandatory.
INTEGER exists because we believe in people, talent, and technology. Our mission is to create the right teams for each technological project, opening doors for reference companies. We promote a participative and inclusive culture, where everyone is recognized for their talent. If you identify with this and feel you have what it takes for this position, don’t hesitate to apply.

Teresa Ferreira
Talent Acquisition
If you are interested in this position and want to know a little better the context of the project or talk to the person who will accompany you throughout the recruitment process, get in touch:
Company Benefits
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Health Insurance
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Free Training & Courses
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Career Progression
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Personalized Monitoring
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Events and Partnerships