Hi ,
We have an Opening for an Embedded C / IoT Firmware Engineer .
Location: Bangalore
Employment Type: Full-Time (FTE)
Experience: 5–8+ Years
Key Skills
Embedded C development with strong experience in production firmware.
Strong RTOS experience – ThreadX preferred; FreeRTOS, Zephyr, or embOS are also considered.
Solid understanding of MCU/embedded fundamentals, including interrupts, memory maps, linker scripts, peripheral registers, and low-level programming.
Hands-on experience with I2C/SPI and sensor interfacing.
Experience with MQTT, including pub/sub, QoS, and keepalive tuning.
Experience with device management protocols such as LwM2M, TR-069, or similar.
Hands-on experience with Quectel BG96/BG95 (QAPI) and/or Telit M2MB platforms.
Experience with AT command interfaces and cellular modem integration.
Experience with both LLVM/Clang and GCC ARM embedded toolchains.
Strong debugging skills, including memory corruption, race conditions, watchdog/reset issues, and sensor/MCU communication faults.
Experience with FOTA/firmware updates, secure boot, and update integrity.




Strong code review, mentoring, and technical ownership capabilities.
Preferred / Domain Experience
Direct experience with DALI lighting control protocol or Zhaga interoperability standards.
Experience with tilt/accelerometer sensors or environmental sensor integration in outdoor IoT products.
Prior experience in outdoor IoT, smart infrastructure, utility, or lighting control domains.
Experience taking over, reverse-engineering, and maintaining a codebase originally developed by another team or vendor.
Roles & Responsibilities
Develop, maintain, and take ownership of production embedded firmware subsystems.
Work with RTOS-based embedded systems and integrate MCU peripherals and sensors.
Analyze and understand existing firmware codebases, including code with limited documentation.
Debug low-level hardware and firmware issues across MCU, sensors, communication interfaces, and cellular modems.
Implem

📌 Embedded C/ IoT Firmware Engineer (Bengaluru)
🏢 Vysystems
📍 Bengaluru