Firmware Engineer

Cabcon Technologies Private Limited

2 years

0 Lacs

kolkata west bengal india

Posted:1 day ago| Platform:

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Skills Required

iot development software engineering design microcontrollers uart usb power reliability support test diagnostics debugging logic jtag code architecture electrical communication mqtt rtos encryption aws azure scripting python

Work Mode

On-site

Job Type

Full Time

Job Description

Job Summary:

Firmware Engineer

Key Responsibilities:

Design, develop and debug
embedded firmware
for microcontrollers and IoT devices.
Implement and maintain low-level drivers and protocol stacks for interfaces like:
I2C, SPI, UART, USB, PWM, ADC/DAC
Integrate and optimize
wireless connectivity protocols
such as
LTE,

BLE, LoRa, Thread, NB-IoT
etc.
Collaborate with hardware engineers during board bring-up and ensure proper firmware-hardware integration.
Optimize firmware for
low power consumption
, reliability, and real-time performance.
Develop and support
OTA update mechanisms
, secure bootloaders and device provisioning.
Write and maintain
test scripts
, diagnostics and system bring-up tools.
Conduct hardware-level debugging using tools like oscilloscopes, logic analysers, JTAG etc.
Participate in
code reviews,
architecture discussions and preparation of design documentation.

Required Qualifications:

Bachelor’s or Master’s degree in Electrical, Electronics or Computer Science Engineering.
Minimum 2 to 5 years of hands-on experience in
firmware development for embedded and IoT systems
.
Strong proficiency in
C/C++
for embedded systems.
Deep understanding of
hardware communication protocols
: I2C, SPI, UART, USB etc.
Experience with
wireless protocols
and
IoT stacks
(LTE, BLE, LoRa, MQTT, CoAP).
Familiarity with
RTOS-based
or bare-metal firmware development.
Experience with
MCU/SoC platforms
like MSP430, RL78, STM32, nRF52, NXP or similar.
Proficient in debugging and validation using standard lab equipment and embedded tools.

Preferred Experience:

Experience with secure firmware development (e.g., TLS, Secure Boot, hardware encryption modules).
Familiarity with
IoT cloud platforms
(AWS IoT, Azure IoT, Google Cloud IoT).
Exposure to Matter, Thread or other emerging IoT standards.
Scripting knowledge (e.g., Python, Bash) for automation.

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