Senior Front End Developer

Rumos Group; Lisboa; Hybrid; EUR 45,000 - 60,000; Full time

Job summary

Rumos Group in Lisbon seeks an experienced Frontend Engineer to design and maintain web applications using ReactJS and NextJS. You will focus on performance, scalable architecture, and collaborating with product and backend teams.

The role requires strong English, solid documentation habits (Confluence), and hands-on experience with REST, NodeJS, CI/CD, and Git workflows. Knowledge of cloud platforms and GraphQL is valued, along with a proactive, detail‑oriented mindset.

Qualifications

• Higher education in Information Technologies.
• Minimum 5 years of professional frontend experience.
• Proven experience with ReactJS / NextJS.
• Experience with REST APIs and NodeJS.
• Proficiency in Confluence for technical documentation.
• English fluency and strong communication skills.
• Ability to design scalable web architectures.

Skills

ReactJS / NextJS

Frontend development

REST APIs

CI/CD pipelines

Git / GitHub workflows

Problem solving

Team collaboration

English fluency

Adaptability

Documentation practices

Education

Higher education in Information Technologies

Tools

Confluence

NodeJS

Azure or other Cloud platforms

GraphQL

Headless CMS

CI/CD tools (GitHub Actions)

Job description

• Higher education in Information Technologies;
• Minimum of 5 years of professional experience in modern Frontend technologies;
• Proven experience in developing and maintaining web applications using ReactJS / NextJS;
• Experience in creating and maintaining technical documentation using tools such as Confluence;
• Experience in designing and implementing scalable web architecture and associated artefacts;
• Solid knowledge of REST APIs;
• Experience with NodeJS and package managers;
• Good ability to use DevOps skills, including CI/CD pipelines, GitHub workflows and actions;
• Good ability to effectively manage version control using GIT;
• Experience with Azure or other Cloud platforms (valued);
• Experience with GraphQL (valued);
• Experience with Headless CMS (Content Management System) (valued);
• Good web performance optimization skills, with a focus on Core Web Vitals (valued);
• Fluency in English;
• Strong problem‑solving and troubleshooting skills;
• Excellent communication and collaboration skills to work effectively in a team;
• Attention to detail and a proactive approach to identifying and resolving issues;
• Good ability to adapt to new technologies and learn quickly.

Work with us

• With more than 30 years of experience, Rumos has a team of professionals specialized in IT;
• At Rumos, consultants integrate highly challenging projects, based on the latest technology and in the most diverse sectors of activity;
• Rumos consultants have access to a certified training plan, which offers a constant update of technical skills;
• Rumos, as an employer, has job opportunities based on equity, integrity and diversity. Based on these values, we work so that no person is discriminated against on the basis of age, degree of disability, gender, marital status, pregnancy and maternity, race, beliefs or sexual orientation. We believe in everyone's abilities, because we have in our DNA team spirit and mutual help, empathy and respect.