Junior Java Developer


The role

As a Junior Java Developer (back-end) you will be part of a very competent software team that works on mission – critical applications contributing in all phases of the development process. You will be responsible for Java/Java EE application development and supporting business objectives in a collaborative fashion (using Scrum and Agile methodology).

Key Accountabilities

  • Develop on high-volume, low-latency applications for mission-critical systems, delivering high-availability and performance
  • Write well designed, testable, efficient software modules
  • Ensure designs are in compliance with specifications and that specifications cover all needed aspects of the implementation
  • Create / review design documentation and provide feedback on test plans


  • Computer science degree or equivalent, either at Bachelor level or Postgraduate level
  • Able to work effectively in a group and have a positive mindset
  • Eager to learn and develop in a dynamic environment
  • Fulfilled military service Immediate availability for working
  • Good Algorithmic understanding


Nice to have

  • Experience with popular Java frameworks and technologies such as Spring Framework, JPA/Hibernate, JMS
  • Good understanding of SQL and RDBMS concepts


About Upstream

Upstream is leading the mobile internet revolution in high growth markets. Its pioneering platform provides 1.2 billion people in developing countries with affordable and secure access to digital services on their mobile devices. Upstream’s Zero-D service provides free access to the internet essentials to 250 million mobile users in Latin America and Africa even when they have run out of data. The company’s Secure-D service is a leading anti-fraud platform that in 2018 alone, detected 30 million mobile phones infected with malware in 16 counties. Upstream works with over 60 mobile operators, across more than 45 markets, leveraging their unique assets to boost and create new revenue streams in the data era. Its team counts 280 people of over 25 nationalities, working from nine offices around the globe.

Those interested can send their resumes to the following e-mail: hr@upstreamsystems.com



Τοποθεσία: Γέρακας, Ελλάδα

Τομείς: Software Development, Web Development

Είδος εργασίας: Πλήρης απασχόληση

Απευθύνεται σε: Απόφοιτους