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.
- Strong 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.
- Implement and maintain IoT communication and device-management functionality.
- Design and support FOTA and secure firmware update mechanisms.
- Collaborate with hardware, firmware, and IoT teams to deliver reliable outdoor IoT products.
- Conduct code reviews and mentor junior engineers.
- Support firmware bring-up and understand recent MCU/platforms using reference manuals and existing code.

Education
- Bachelor's degree (B.E./B.Tech) in Electronics & Communication Engineering, Electrical Engineering, Computer Science , or a related field.
- M.Tech/MS in a related field is a plus but not mandatory.
- Equivalent practical industry experience will also be considered.

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