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Telecom Sector | Backend Developer (IoT)

Devoteam

Telecom Sector | Backend Developer (IoT)

full-timePosted: Jan 17, 2026

Job Description

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 Info

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.

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.

Locations

  • Avenida Dom João II 43, Lisboa, Lisboa, Portugal (Remote)

Salary

Estimated Salary Rangemedium confidence

55,000 - 95,000 EUR / yearly

Source: ai estimated

* This is an estimated range based on market data and may vary based on experience and qualifications.

Skills Required

  • Java Spring Bootintermediate
  • RESTful APIsintermediate
  • MongoDBintermediate
  • Elasticsearchintermediate
  • IoT data systemsintermediate

Required Qualifications

  • Bachelor Computer Science (experience)
  • 5+ ans Java backend (experience)
  • English fluent (experience)

Responsibilities

  • Développer applications backend Java/Spring Boot
  • Implémenter RESTful APIs
  • Intégrer MongoDB et Elasticsearch
  • Optimiser performance et scalabilité
  • Participer code reviews et best practices
  • Collaborer équipes internationales

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Devoteam logo

Telecom Sector | Backend Developer (IoT)

Devoteam

Telecom Sector | Backend Developer (IoT)

full-timePosted: Jan 17, 2026

Job Description

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 Info

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.

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.

Locations

  • Avenida Dom João II 43, Lisboa, Lisboa, Portugal (Remote)

Salary

Estimated Salary Rangemedium confidence

55,000 - 95,000 EUR / yearly

Source: ai estimated

* This is an estimated range based on market data and may vary based on experience and qualifications.

Skills Required

  • Java Spring Bootintermediate
  • RESTful APIsintermediate
  • MongoDBintermediate
  • Elasticsearchintermediate
  • IoT data systemsintermediate

Required Qualifications

  • Bachelor Computer Science (experience)
  • 5+ ans Java backend (experience)
  • English fluent (experience)

Responsibilities

  • Développer applications backend Java/Spring Boot
  • Implémenter RESTful APIs
  • Intégrer MongoDB et Elasticsearch
  • Optimiser performance et scalabilité
  • Participer code reviews et best practices
  • Collaborer équipes internationales

Target Your Resume for "Telecom Sector | Backend Developer (IoT)" , Devoteam

Get personalized recommendations to optimize your resume specifically for Telecom Sector | Backend Developer (IoT). Takes only 15 seconds!

AI-powered keyword optimization
Skills matching & gap analysis
Experience alignment suggestions

Check Your ATS Score for "Telecom Sector | Backend Developer (IoT)" , Devoteam

Find out how well your resume matches this job's requirements. Get comprehensive analysis including ATS compatibility, keyword matching, skill gaps, and personalized recommendations.

ATS compatibility check
Keyword optimization analysis
Skill matching & gap identification
Format & readability score

Answer 10 quick questions to check your fit for Telecom Sector | Backend Developer (IoT) @ Devoteam.

Quiz Challenge
10 Questions
~2 Minutes
Instant Score

Related Books and Jobs

No related jobs found at the moment.