Firmware Developer

3 days ago

Bengaluru, Karnataka, India Confio Technologies Full time ₹ 60,000 - ₹ 12,00,000 per year

Job Title: Firmware Developer

Location: Bangalore, India

Experience: Minimum 2 years (hands-on)

Employment Type: Full-Time

About Confio

Confio Technologies is a rapidly growing home automation and smart-building company, innovating across Z-Wave, Zigbee, Wi-Fi, KNX, and Matter ecosystems. We design and manufacture next-generation smart devices — from touch panels and sensors to hybrid gateways — with a focus on design, reliability, and seamless interoperability with Alexa, Google Home, and Apple HomeKit.

If you are passionate about embedded systems and want to work on cutting-edge IoT products that redefine smart living, we'd love to have you on our team.

Key Responsibilities

  • Develop, test, and debug firmware for embedded systems and IoT devices.
  • Write efficient, reliable, and maintainable code in Embedded C/C++.
  • Work closely with hardware and product teams to bring up and test new boards.
  • Integrate and optimize firmware for Wi-Fi, Zigbee, and Z-Wave communication stacks (experience with Silicon Labs SDKs is a strong plus).
  • Implement low-power firmware for battery-based devices.
  • Perform debugging using tools like oscilloscopes, logic analyzers, and JTAG debuggers.
  • Manage OTA updates, bootloaders, and firmware versioning.
  • Collaborate with the software/cloud team for API/MQTT integrations and device provisioning.
  • Participate in design reviews and contribute to continuous improvement in firmware processes.

Required Skills

  • Strong hands-on experience in Embedded C programming.
  • Good understanding of microcontrollers (ARM Cortex, ESP32, etc.).
  • Experience with RTOS, UART, SPI, I2C, GPIO, ADC, PWM, and timers.
  • Ability to read schematics and collaborate with hardware design teams.
  • Familiarity with Git and version control systems.
  • Strong problem-solving and debugging skills.
  • Excellent understanding of firmware development life cycle.

Preferred / Bonus Skills

  • Experience with Silicon Labs Simplicity Studio, EFR32, or ESP32 SDKs.
  • Experience in Wi-Fi, Zigbee, or Z-Wave protocol development.
  • Exposure to Matter / Thread / BLE stack is an added advantage.
  • Knowledge of IoT communication (MQTT, CoAP, REST APIs).
  • Understanding of low-power design, OTA updates, and security features in IoT devices.

Soft Skills

  • Strong verbal and written communication skills.
  • Team player with a collaborative and proactive mindset.
  • Ability to work independently and manage multiple tasks.
  • Eagerness to learn, experiment, and adapt to new technologies.

Education

  • B.E / B.Tech in Electronics, Electrical, or Computer Engineering (or equivalent).

Why Join Confio

  • Work on real, production-grade smart home products shipped globally.
  • Exposure to multiple communication protocols and technologies.
  • Dynamic, fast-paced environment with room for innovation.
  • Opportunity to grow with a company scaling across international markets.

Job Types: Full-time, Permanent

Pay: ₹300, ₹1,200,000.00 per year

Benefits:

  • Health insurance
  • Provident Fund

Work Location: In person

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