Senior Firmware Engineer

InnoPhase IoT; Bengaluru; On-site; INR 1,200,000 - 1,800,000; Full time

Job summary

A leading wireless technology firm in India is seeking a Senior Firmware Engineer specializing in Zigbee and Thread protocols with over 12 years of experience. You will be responsible for architecting and implementing firmware solutions for resource-constrained platforms, collaborating with cross-functional teams to ensure compliance and performance. Join us to be part of a team revolutionizing the IoT industry with innovative technology.

Qualifications

• 12+ years of experience in embedded firmware development.
• Strong knowledge of wireless embedded systems.

Responsibilities

• Architect, design, and implement firmware solutions for Zigbee/Thread products.
• Develop and optimize low-level drivers and protocol stack layers.
• Collaborate with hardware and product teams to ensure compliance.

Skills

Deep expertise in Zigbee, Thread, and IEEE 802.15.4

Strong programming skills in C / Embedded C

Debugging tools (JTAG, GDB, oscilloscopes)

Low-power wireless systems optimization

Knowledge of microcontrollers and transceivers

Problem-solving and communication skills

Education

Bachelor’s or Master’s degree in Electronics or Computer Science

Tools

Embedded RTOS (FreeRTOS, Zephyr)

Wireless sniffers (Ubiqua, Wireshark)

Job description

If you are keen to work with a bunch of brilliant people with various backgrounds, if you share the same value of working smart and celebrating successes, if you have enthusiasm for big technology in a small company, if your goals are to learn and experience different aspects of work--not just singing the same song every day, you’ll find your playground at Innophase IoT.

We are looking for people seeking AWESOMENESS! If you’re good at what you do, you can work anywhere. If you’re the best at what you do, come work at Innophase IoT!

Experience: 12+ years (Senior Level)

Role Overview

We are looking for a Senior Firmware Engineer with deep expertise in Zigbee, Thread, and IEEE 802.15.4 wireless stacks. The candidate will focus on architecting, developing, and optimizing embedded wireless protocol stacks on resource-constrained platforms, ensuring compliance, performance, and reliability.

Key Responsibilities

• Architect, design, and implement firmware solutions for Zigbee/Thread and IEEE 802.15.4-based products.
• Develop and optimize low-level drivers, MAC/PHY interfaces, and protocol stack layers.
• Debug and resolve wireless interoperability and certification issues using sniffers (Ubiqua, Wireshark, Perytons).
• Collaborate with hardware, QA, and product teams to ensure robust HW/SW co-design and regulatory compliance.
• Debug, analyze, and optimize power consumption and timing for battery-operated IoT devices.
• Support certification and compliance efforts for Zigbee/Thread-based products.
• Document software design, testing procedures, and release notes.
• 12+ years of experience in embedded firmware development.
• Strong programming skills in C / Embedded C; assembly or scripting (Python) a plus.
• Expertise in IEEE 802.15.4 MAC/PHY, Zigbee, and Thread protocol stacks.
• Experience with embedded RTOS (FreeRTOS, Zephyr, or Linux system programming).
• Proficiency in debug tools (JTAG, GDB, oscilloscopes, logic analyzers, sniffers).
• Strong knowledge of microcontrollers, transceivers, and RF system design basics.
• Hands‑on debugging and optimization for low‑power wireless systems.
• Familiarity with IoT frameworks and domains like home automation, security, and energy management.
• Excellent problem‑solving, communication, and cross‑functional collaboration skills.

Qualification

• Bachelor’s or Master’s degree in Electronics, Computer Science, or related fields.
• 12+ years of relevant experience in wireless embedded systems.

We bring together the best in technology, drive innovation to create the best ULP wireless IoT solutions and user experiences in home, building and industrial automation and wearables.. We create career opportunities across a wide range of locations, disciplines and are at the forefront of change, thanks to our remarkable people, who bring cutting‑edge products and solutions to our customers. If you share in our passion for teamwork, our vision to revolutionize the IoT industry and our goal to lead the future in technology, we want you to fast‑forward your career at InnoPhase IoT.

It is key to unleash the potential in every employee, every team, every leader, and the company herself. We know employees perform best when motivated, appreciated and recognized, and can be themselves. We are committed to building a culture where every voice can be heard, everyone has room for growth and can make meaningful contributions. At the end of the day, we want success not just for the company, but also for everyone who believes in the company, the vision, and the future.