CSG Systems International, Inc.

Senior Developer - Telecom Mobile Test Probes

CSG Systems International, Inc.
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6 days ago
Remote, IndiaSenior

Responsibilities

  • Develop the next-generation mobile test probe for 4G, 5G, and IoT networks.
  • Build software that simulates mobile users using voice, SMS, and data services.
  • Develop telecom testing applications on Linux primarily in C and C++.
  • Help mobile operator customers validate and optimize mobile service performance.
  • Work with cellular modems, network signaling, and mobile network technologies.
  • Take responsibility for delivering customer value in a small, collaborative development team.

Requirements

  • Completed degree in Computer Science or a related field.
  • At least 5 years of professional software development experience, preferably in telecom.
  • Strong proficiency in C++, data structures, and multithreaded programming.
  • Strong Linux system knowledge.
  • Solid understanding of the Radio Access Network layer and signaling between devices and networks.
  • Good knowledge of 3G, 4G, IMS/VoLTE, 5G, IoT, SIP, RRC, NAS, and 3GPP-defined network signaling.
  • Strong communication, analytical, problem-solving, and independent-work skills.
  • Experience with cellular modems, AT commands, QMI, or modem vendor SDKs is a bonus.
  • Experience with Wireshark, QCAT, Lua, Shell, Perl, eUICC/eSIM, GSMA standards, or Android development is a bonus.

Benefits

  • Opportunity to work and grow skills in cutting-edge technologies.
  • Remote position based in India.
  • Disability accommodations are available throughout the application and hiring process.

Tech Stack

CC++LinuxLuaPerl

Categories

CSG Systems International, Inc.

About CSG Systems International, Inc.

5,001-10,000 employees
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