Posted 24 Jun 2026 (136 days ago) · Job 57673 · Read from the employer's SmartRecruiters board, last checked 8 Nov 2026, 09:14 UTC

Telecom Sector | Java Backend Developer

Devoteam · Lisboa, Lisboa, Portugal

Apply on Devoteam’s siteAsk about this jobApply opens the employer’s own application. Nothing is sent from here.

What the posting says

Each fact was read from this posting and checked:Statedin the posting, quotedConflictsposted two ways, both shownNot mentionedwe looked; it is not there

Employment typeStated
Full time
Work arrangementStated
Hybrid

Not mentioned in this posting

We read the whole posting. These are not in it. Not a no: ask the recruiter, in your own words.

PayNot mentioned
The posting does not say
ShiftNot mentioned
The posting does not say
ExperienceNot mentioned
The posting does not say
EducationNot mentioned
The posting does not say
Visa sponsorshipNot mentioned
The posting does not say

Requirements, each with its sentence from the posting

These are the employer’s words. The index does not judge whether you meet them.

  • No requirement has been itemized for this posting yet. The employer’s words are in the full posting below.
Read the full posting as the employer wrote it

Company Description

At Devoteam, we believe that technology with strong human values can actively drive change for the better. Discover how Tech for People unlocks the future, creating a positive impact on the people and the world around us. We are a global leading player in Digital Transformation for leading organizations across EMEA, with revenue of €1B. We believe in transforming technology to create value for our clients, partners and employees in a world where technology is developed for people. We are proud of the culture we have built together. We are proud of our people at the service of technology. We are proud of our diverse environment. Because we are #TechforPeople. Join our multidisciplinary team of Cloud experts, Designers, Business consultants, Security experts, Engineers, Developers, and other extraordinary talents, spread across more than 20 EMEA countries. Become one of our +10.000 tech and business leaders on cloud, data, and cyber security. Let’s fuse creativity with technology together and build innovative solutions that actively change things for the better.

Job Description

  • Develop and maintain scalable, efficient, and high-performance backend applications using Java and Spring Boot;
  • Design, implement, and maintain RESTful APIs to support IoT platforms and web applications;
  • Work with large volumes of data related to IoT SIM connectivity, monitoring, and management;
  • Integrate backend services with MongoDB and Elasticsearch;
  • Collaborate with frontend teams to integrate server-side logic with web applications (React.js knowledge is a plus);
  • Optimize application performance, scalability, and reliability;
  • Participate in code reviews and contribute to continuous improvement of development standards and best practices;
  • Troubleshoot, debug, and resolve complex technical issues;
  • Collaborate with international teams in an English-speaking environment.

Qualifications

  • Bachelor’s degree in Computer Science, Software Engineering, or a related field;
  • 5+ years of experience in backend development using Java;
  • Strong experience with Spring / Spring Boot;
  • Proven experience designing and consuming RESTful APIs;
  • Solid experience with MongoDB and Elasticsearch;
  • Experience working with large-scale or data-intensive systems;
  • Familiarity with React.js or frontend technologies (nice to have);
  • Experience with Git and collaborative development workflows;
  • Experience in Agile environments;
  • Fluency in English (spoken and written);
  • Strong problem-solving skills and ability to work autonomously in a remote setup.

Additional Information

The Devoteam Group works for equal opportunities, promoting its employees based on merit and actively fights against all forms of discrimination. We are convinced that diversity contributes to the creativity, dynamism and excellence of our organization. All of our vacancies are open to people with disabilities.

The posting text is reproduced as the employer wrote it; the index adds nothing to it.