Join our talent network at i2i Systems!

i2i Systems is an international information technology company that specializes in developing innovative ideas and solutions. With our highly experienced team in the Telecommunications industry, we offer a diverse variety of products in Telco OSS/BSS domains, as well as 5G network solutions.

We are looking for a talented Java Developer to join our experienced development team. Fill out the application form if you’re a motivated and driven person who seeks the opportunity to advance in the telecom sector!

Java Developer Job Opening (Hybrid)

Java Developer Responsibilities:

  • Java Software Development Engineer will work in our Teknopark Istanbul (Kurtköy) office as part of the 5G Core Network Product Development department.

Java Developer Requirements:

  • Bachelor’s Degree from Computer Engineering, Electrical Electronics Engineering, Telecommunication Engineering or equivalent department (It is preferable that the language of instruction is English.)
  • Excellent oral and written communication skills in English to understand documents at technical level
  • 3+ years of experience in the field
  • Knowledge and experience in Telecom and preferably 4G EPC and 5G Core Network
  • Knowledge of microservice architecture
  • Experience in J2EE, HTTP/REST, JSON, Web Service, SQL, Unix, Linux
  • Experience in developing enterprise background (back-end) Java applications in a message-based, distributed and real-time architecture (Preferably Akka Framework experience)
  • Ability to read and understand the standards and specifications published by 3GPP and develop accordingly
  • Application/system development experience in Telecom field is preferred
  • Knowledge of GTP (GPRS Tunneling Protocol) protocol is preferred
  • Knowledge of Diameter Protocol is preferred
  • Knowledge of NFV and SDN technologies is preferred
  • Knowledge of C is preferred
  • Knowledge of Python is preferred
  • Ability to work as part of a team
  • No restriction to travel abroad in a professional capacity
Please feel free to send your CV via email to, even if the specific position you are seeking is not currently listed.

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