Backend Developer
At IRIUM, we want you to always pursue your dreams! Here, prepare yourself to achieve your goals while enjoying the journey.
Jobs in Portugal, in English.
9,000+ live jobsHybrid in Lisbon·Full-time·Added 4 days ago (last checked 22 Oct)
23 open roles



Nice to have
This job advert was originally written in Portuguese.
Minimum 5 years of professional experience with modern frontend technologies.
Strong hands-on experience developing and maintaining web applications using ReactJS / NextJS.
Solid knowledge of HTML, CSS, TypeScript and JavaScript, including responsive web design.
Experience designing and implementing scalable frontend architectures.
Solid understanding of REST APIs and their integration with frontend applications.
Experience with NodeJS and package managers.
Experience with CI/CD pipelines, GitHub workflows and GitHub Actions.
Proficiency with Git and version control best practices.
Experience creating and maintaining technical documentation using tools such as Confluence.
Strong troubleshooting, debugging and web application optimization skills.
English proficiency: minimum B2 level.
Excellent communication, collaboration and problem-solving skills.
Proactive mindset, attention to detail and ability to adapt quickly to new technologies.
Experience with Microsoft Azure or other cloud platforms.
Knowledge of GraphQL.
Experience with Headless CMS (Content Management Systems).
Experience optimizing web performance, particularly Core Web Vitals.
Gross Monthly Salary: 2,100€-2,400€
Note: Includes all components: fixed remuneration, variable remuneration, meal allowance, remote work and benefits.
Remuneration according to your experience and performance. Access to flexible remuneration and medical insurance as a social benefit.
At IRIUM, we want you to always pursue your dreams! Here, prepare to conquer your goals while enjoying the journey.
We are currently looking for a Senior Frontend Developer (ReactJS / NextJS) to join a new international Tech Hub in Lisbon, focusing on the development, maintenance, and optimization of modern, scalable, and high-performance web applications.
Regime: Hybrid - Lisbon
2 days on-site per week in the office, on non-consecutive days.
3 days per week working from home.
Monday to Thursday: 09:00-19:00.
Friday: 09:00-17:00.
Monday to Thursday: 09:00-18:00.
In addition to normal vacation days, 12 additional compensatory days are provided, distributed over specific periods of the year:
5 days between Christmas and New Year.
5 days during Easter.
2 days during Carnival.
An innovative and growing company, with many professional development opportunities.
Unlimited access to technological training in a free modality.
Participation in an international Tech Hub, with challenging technological projects and opportunities for professional growth.
📩 Send your application, with an updated CV in English, to: recrutamento@irium.pt
IRIUM is a company made up of dynamic and proactive professionals. Our values are responsibility and commitment to quality of work. This is the spirit we look for at IRIUM, regardless of your age.
If you recognize yourself in these values, this is your company!
We can build the future together. Shall we talk?
At IRIUM, we advocate for a world without stereotypes or limitations and we believe in equality for all, principles that we subscribe to in our Equality Plan and Code of Ethics, ensuring equal treatment and opportunities regardless of any personal, physical, or social condition.
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