Senior Developer – Telecom Mobile Test Probes

🕒 September 2

🇮🇳 India – Remote

⏰ Full Time

🟠 Senior

🖥 Software Engineer

👻 Ghost score 10%

What it means: how likely this posting is sitting open without active hiring.How to read it: 60% or higher means we think this is a ghost. Lower scores are less of a worry.How we score it: age, reposts, open roles vs team size, how fast jobs close, and whether pay is listed.Fine print: an estimate from public data, not a judgment of the company. Real jobs can score high, so treat it as a hint, not a fact.

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CSG

WebsiteLinkedInAll Job Openings

5001 - 10000 employees

Founded 1982

💼 Consulting

🏥 Healthcare

📦 Logistics

Consulting • Healthcare • Logistics

CSG is a leader in innovative customer engagement, revenue management and payments solutions that make ordinary customer experiences extraordinary. Our cloud-first architecture and customer-obsessed mindset help companies around the world launch new digital services, expand into new markets, and create dynamic experiences that capture new customers and build brand loyalty. For over 40 years, CSG’s technologies and people have helped some of the world’s most recognizable brands solve their toughest business challenges and evolve to meet the demands of today’s digital economy with future-ready solutions that drive exceptional customer experiences.

📋 Description

• Develop next-generation mobile test probes for 4G, 5G, and IoT • Simulate mobile users using voice, SMS, and data services • Build applications that help mobile operator customers validate and optimize mobile service performance • Develop primarily in C and C++ on the Linux platform • Take responsibility for delivering customer value from high-tech telecom testing solutions • Work as part of a small, agile development team

🎯 Requirements

• Completed Degree in Computer Science or related field • 5+ years of professional experience in software development, preferably in telecom • Strong proficiency in C++, data structures, and multi-threading programming • Linux system knowledge • Solid understanding of the Radio Access Network (RAN) layer of mobile networks • Good knowledge of mobile network technologies: 3G, 4G, IMS/VoLTE, 5G, and IoT • Knowledge of network signaling such as SIP, RRC, and NAS as defined in 3GPP • Talent for AI-driven development • Excellent communication and problem-solving skills • Ability to work independently in a fast-paced environment • Experience with cellular modems, AT commands, QMI, or modem vendor SDK (bonus) • Experience with network monitoring tools and protocol analyzers such as Wireshark and QCAT (bonus) • Familiarity with LUA, Shell, or Perl (bonus) • Understanding of eUICC/eSIM and GSMA standards (bonus) • Android development experience (bonus)

🏖️ Benefits

• Opportunity to work and grow your skillset in cutting-edge technologies • Disability accommodations throughout the application, interview, and testing processes