Sr. C++ Engineer

3 days ago

Chennai, Tamil Nadu, India Lynk Full time ₹ 88,800 - ₹ 12,00,000 per year

Job Type: Full-time

Company: Lynk

Experience Required: 5+ years in telecommunications software development

Hiring Timeline: Immediate

About the Company:

Lynk
is pioneering
satellite-direct-to-phone
technology, enabling text messaging to standard mobile phones via satellite—no hardware changes required. Backed by the world's only
FCC commercial license
for sat2phone services, Lynk partners with
MNOs in 50+ countries
to deliver truly global connectivity. With approvals in
30+ jurisdictions
, Lynk is redefining mobile access—
connecting people anywhere on Earth
.

Principal Responsibilities:

Design, develop, modify, and test software implementing
GSM and LTE protocol stacks
for satellite-based cell towers.

Develop and modify
Linux applications
for satellite-direct-to-phone services.

Integrate
telecommunications hardware and software systems
, including
software-defined radios
and Linux servers.

Implement inter-application coordination and communications using
standard Linux IPC mechanisms
.

Develop test software and drivers to support
unit, integration, and system testing
.

Write software in
C, C++ and other languages
in a Linux environment.

Requirements:


5+ years
of experience in
telecommunications software development
.

Bachelor's (or higher) degree in
Telecommunications Engineering, Electrical/Computer Engineering, Software Engineering, or a related field
.

Strong knowledge of
telecom protocols & RF communications
(LTE, GSM, GPRS, HSPA, CDMA, FDMA, etc.).

Expertise in at least one layer of
cellular network infrastructure
(RAN, Core Network signaling):

  • 2G
    (e.g., HLR, VLR, MSC, SMSC)
  • 4G
    (e.g., eNB, HSS, MME, P-GW, S-GW)
  • 5G
    (e.g., gNB, UDM, AMF, SMF, UPF)

Working knowledge of
telecom networking standards
: TCP/IP, Ethernet, SNMP, SS7, SIGTRAN, SIP, etc.

Experience with
Linux inter-process communication (IPC)
mechanisms.

Strong programming skills in
C, C++, Python
in a Linux environment.

Bonus Points (Preferred Skills):

Experience with
software-defined radio (SDR) systems
(receiver architectures, modulation/demodulation, encoding/decoding).

Experience using
wireless communication test equipment
(spectrum/network analyzers, signal generators).

Background in
reverse engineering and low-level software analysis.

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