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Location: Gurugram, India About the Role We are looking for a highly motivated Firmware Engineer with experience in embedded systems and wearable devices to develop next-generation smartwatches, smart rings, smart bands, and connected wearable products. The ideal candidate will be responsible for designing, developing, optimizing, and maintaining firmware across multiple wearable platforms while working closely with hardware, mobile app, cloud, algorithm, and product teams. Key Responsibilities: - Design, develop, and maintain embedded firmware for wearable devices based on RTOS platforms. - Implement and optimize drivers, middleware, and application-layer firmware for sensors, connectivity, power management, and user interfaces. - Develop firmware for health monitoring features including heart rate, SpO, sleep tracking, activity tracking, and workout modes. - Integrate and optimize communication protocols such as BLE, UART, SPI, I2C, GPIO, PWM, and ADC. - Work with sensor vendors and chipset partners to integrate PPG, IMU, temperature, ECG, and other wearable sensors. - Optimize power consumption, memory usage, and overall system performance to achieve battery life targets. - Support firmware bring-up, debugging, validation, and production readiness activities. - Collaborate with hardware teams during board bring-up, schematic reviews, and hardware debugging. - Analyze field issues, identify root causes, and implement robust fixes. - Participate in architecture discussions and contribute to firmware design reviews. - Develop test tools, automation scripts, and diagnostic utilities to improve development efficiency. - Support OTA (Over-the-Air) firmware upgrade mechanisms and firmware release management. Required Qualifications - Bachelor&/or Masters degree in Electronics, Embedded Systems, Computer Engineering, or related field. - 48 years of experience in embedded firmware development. - Strong proficiency in C programming and embedded software design. - Experience working with RTOS-based systems (FreeRTOS, RT-Thread, Zephyr, ThreadX, or similar). - Strong understanding of microcontroller architectures (ARM Cortex-M preferred). - Experience with communication interfaces: BLE, UART, SPI, I2C, GPIO, PWM - Experience with debugging tools such as JTAG, SWD, Logic Analyzer, Oscilloscope, and Protocol Analyzers. - Good understanding of low-power embedded system design. - Familiarity with Git and software development lifecycle practices. Preferred Qualifications - Experience developing firmware for smartwatches, smart bands, smart rings, TWS, or IoT products. - Experience with Nordic, Realtek, SiFli, Ambiq, Dialog, Telink, or similar wearable chipsets. - Experience integrating health and fitness sensors. - Knowledge of BLE profiles and wearable communication architectures. - Understanding of bootloaders, OTA update mechanisms, and secure firmware development. - Familiarity with LVGL or embedded UI frameworks. - Experience working with manufacturing test firmware and factory tools. - Basic understanding of signal processing and wearable algorithms. Desired Skills - Strong debugging and problem-solving capabilities. - Ability to work independently and drive feature ownership. - Excellent collaboration and communication skills. - Ability to balance performance, memory, and power constraints. - Product-oriented mindset with focus on user experience and reliability. Nice to Have - Experience with smartwatch watchface engines and graphics rendering. - Experience integrating AI or voice-assistant features on embedded devices. - Knowledge of sensor fusion, motion processing, or health-monitoring algorithms. - Experience working with cloud-connected wearable ecosystems. - Experience: 48 Years .
Here's how to pick the right one and stand out in your application.
144.883Jobs
31.687IN
81%EN
That number is real. WorkMundi's database shows 144,883 open engineer roles across the world. India has the most with 31,687 jobs, followed by the United States with 30,084. If you just finished reading one job ad and felt paralyzed by choice, you're not alone—but this scale is actually an advantage. It means you can afford to be selective.
Start by geography and language. The majority of engineer ads—117,837 of them—have the job posting text written in English. Use that as one filter, but remember: the ad text language tells you nothing about whether the role actually requires you to speak English day-to-day. Read the job description carefully. Then check which countries have the volume you're targeting. Singapore, Poland, and Australia round out the top five after India and the US.
Next, learn who's hiring. Accenture has posted 2,801 engineer roles. andurilindustries, speechify, and jobgether are also actively recruiting. If you're applying to one of these names, research their hiring patterns and interview style before you apply. That homework pays off.
When you interview, expect the question every engineer hears: 'Tell me about a time you had to debug a problem that wasn't in your job description.' Have a specific story ready—not a general one. Name the tools, the deadline pressure, and what you learned. Hiring managers listen for whether you see problem-solving as part of the role itself, not a favour.