Backend engineer

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Alvatross is looking for an experienced Remote Backend Engineer for its fast growing company. Join and lead quality in OSS for telecommunications.
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We are a Spanish corporate venture of the SATEC group specialized in OSS solutions for telecommunications operators. Our digital platform alignes with the latest practices of TM Forum and the Open Digital Architecture (ODA). We work with national and international Telecommunications Service Providers to help them become more competitive in their market by cutting their Time-to-Market thanks to the use of modern technologies.

We are looking for bright minds eager to learn to help our clients get the service they need.

Please note that we will only consider candidates who can fluently communicate in Spanish and reside within the same hour (+/-2) time zone of Spain. This requirement is essential for effective communication and collaboration within our team.


  • Design and develop backend applications based on microservices architecture.
  • Create APIs with advanced features and interact with other APIs.
  • Implement Continuous Integration and Continuous Delivery processes using standard platforms.

What WeAre Looking For:

  • Ability to fluently communicate in Spanish and English.
  • Knowledge of software development methodologies, tools and processes.
  • Experience designing and implementing REST APIs.

Technical skills:

  • Backend development with Java 11+ and SpringBoot.
  • Hands-on experience with microservices (design, development, and deployment).
  • Experience designing and implementing REST APIs.
Nice to have:
  • Experience with continuous integration (CI/CD toolset).
  • Experience with container orchestrators (Kubernetes).
  • Experience with cloud platforms (Google, Azure, AWS).
  • Experience with Data Bases (SQL and NoSQL, Oracle, PostgreSQL, MySQL…)
  • Experience working in agile teams (Scrum/Kanban).
  • Growth mindset, continuous learning, always growing and improving.
  • Passion for latest technology and consumer value delivery.
  • Experience with observability tools (ELK stack, Grafana)
  • Experience using asynchronous communication (Kafka)
  • Experience with BPMN Engines.

What do we offer?

  • Remote work.
  • A company where digital transformation, innovation, and continuous improvement are fundamental principles of our culture.
  • A healthy environment where you can grow as a professional, learning and achieving your goals.
  • Work-life balance.
  • Flexible hours.
  • Early finish on Fridays and summer (10 weeks).
  • Opportunities for further growth.
  • English classes and training platforms.
  • Guided meditations to start and end your week on the right foot!
  • Teambuilding sessions.

Get in touch

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