Mobile Software Engineer

Koropi, East Attica, Greece | Engineering

Theon Group is looking for a Mobile Software Engineer

THEON develops and manufactures cutting-edge Night Vision, Thermal Imaging and Electro-Optical ISR systems for Military and Security applications in Europe with a global footprint. THEON began operations in 1997 in Greece, and today occupies a leading role in the sector thanks to its international presence, with offices in Greece, Cyprus, the United States, the United Arab Emirates, Switzerland and Singapore, as well as three production sites in Athens, Wetzlar (Germany) and Plymouth (USA), employing more than 300 people globally. Through this network of companies, offices and facilities worldwide, THEON has more than 150,000 systems in service with the armed forces and special forces of 68 countries, including 24 NATO countries. THEON INTERNATIONAL PLC the parent company of the group has recently been listed in the EURONEXT stock market, allowing THEON to accelerate its growth and future business development further.

The Mobile Software Engineer operates within a multi-disciplined group of Optical, Mechanical, FPGA, and Electrical Engineers. The candidate will closely collaborate with experts from all fields to define and produce software applications which enhance and complement the company's line of products. This position is an excellent opportunity to participate in the definition of new mobile applications and has an impact on the group and company growth.


  • Collaborate with hardware, FPGA engineers and other software developers to define mobile applications requirements and specifications.
  • Design, develop, test, and maintain innovative, scalable, and high-performance mobile applications.
  • Design and implement visually appealing and intuitive user interfaces.
  • Create and maintain comprehensive documentation for mobile applications, including technical specifications, architecture, and user guides.


  • University degree in Computer Science, Software Engineering, or a related field.
  • Proven experience in mobile app development for Android platforms.
  • Proficient in programming languages such as Kotlin/Java.
  • Strong understanding of mobile UI/UX principles.
  • Experience with mobile app testing, debugging, and performance optimization.

Preferred Skills

  • Knowledge of backend technologies and API integration.
  • Publish and maintain mobile applications on app stores.
  • Experience in mobile app development for iOS.
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