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Deutsche Telekom Digital Labs

Posted 12 Sep 2026

Backend Java Developer

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Employment
Full time
Team
Software Engineering
Posted
12 Sep 2026

About the role

We are looking for top-notch Software Engineers who will deliver on key initiatives, starting from the ideation phase all the way to development and product delivery.


Responsibilities:

  • You will be an integral member of the design, analysis, development and deployment efforts in projects to solve complex business problems.
  • You will produce scalable, flexible, efficient and supportable solutions using appropriate technologies like JavaScript or any other programming language.
  • You will collaborate with Developers, Program Managers, QA and Devops Engineers in an agile development environment.


Requirements:

  • Extensive practical experience in dealing with mobile development technologies for Backend.
  • Recommended: Zonky(embedded database), MapStruct, YAML.
  • Experience in the design, development, and deployment of native mobile applications with multiple tiers.
  • Ensure agile test-driven development for robustness, usability, reliability, security and performance.
  • Extensive experience with version control systems (Git is preferred), issue tracking systems (JIRA is preferred) & Agile Development Process, especially Scrum.
  • Solid understanding of OOPS, algorithms and data structures.
  • Experience with web services like RESTful.
  • Knowledge of: JAVA, Spring Boot and other Spring libraries.
  • Experience in the use of open-source technologies and integrating applications with databases such as PostgreSQL (preferred), Oracle or MySQL.


Big Pluses if you:

  • Have a strong focus on business outcomes.
  • Are comfortable with collaboration, open communication and reaching across functional borders.
  • Are self-motivated and can get things done.
  • Have the ability to communicate and defend your ideas clearly.
  • Have a strong knowledge of threading, concurrency, scaling, and high availability.
  • Have a desire to build products that users love.
  • Are updated on the newest technologies.

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