Senior Software Engineer

4 hours ago

Chennai Tamil Nadu India, Tamil Nadu Lynk Full time

Location: Chennai, India (In-office)

Department: Engineering – Telecommunications


About Lynk

InCommon is hiring on behalf of Lynk, the pioneer of satellite direct-to-device (D2D) technology and the first company licensed by the FCC to operate a space-based cellular network.

Lynk enables standard, unmodified phones to connect directly to satellites — tested across all seven continents and approved in 30+ countries. With 40+ operator partnerships, Lynk is scaling globally to connect every person, everywhere.


Role Overview

As a Networking & Telecommunications Software Engineer at Lynk, you’ll design and build the software backbone for the world’s first space-based mobile network. You’ll work across GSM, LTE, and 5G technologies, developing network protocols, implementing core telecom functions, and integrating software-defined radios within a distributed system.


Key Responsibilities

  • Design and implement network protocols and software for signaling, O&M, and testing.
  • Develop and integrate telecom systems using C/C++, Python, and Linux IPC mechanisms.
  • Build and optimize protocol stacks and network applications across GSM/LTE/5G.
  • Conduct unit, integration, and system testing (e.g., Google Test).
  • Profile, benchmark, and tune system performance.


Required Qualifications

  • Bachelor’s degree in Computer Science, Telecommunications, or related field.
  • Strong grasp of networking and telecom protocols (TCP/IP, GSM, LTE, 5G).
  • Proficiency in C/C++ or Python with solid OOP skills.
  • Experience developing or testing protocol stacks, signaling, or core network applications.
  • Familiarity with Linux, socket programming, and multithreading.
  • Understanding of 3GPP systems (MME, HLR, HSS, eNodeB, gNB).


Preferred Qualifications

  • Experience with GSM/LTE/5G system integration and deployment.
  • Knowledge of SIGTRAN, Diameter, SIP, or related signaling protocols.
  • Exposure to NFV, Docker/Kubernetes, or cloud platforms (AWS, GCP, Azure).
  • Hands-on with SDRs, RF testing, or Wireshark/tcpdump.
  • Strong debugging and performance tuning skills.


Soft Skills

  • Problem-solving mindset with attention to detail.
  • Collaborative and adaptable in fast-paced environments.
  • Clear, concise communicator.

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