Job Title : Senior IoT / Embedded Engineer Location : Pune, Maharashtra Company : Respirer Living Sciences Pvt Ltd Job Type : Full-Time Experience Level : 3+ years Department : Engineering / Product Development Salary Range: ₹9 Lakhs - ₹12 Lakhs Per Annum with Benefits About Us Respirer Living Sciences Pvt Ltd is a pioneering climate-tech startup working at the intersection of environmental science, data analytics, and embedded systems. Our flagship products enable real-time, accurate air quality monitoring through a blend of cutting-edge IoT, sensing technology, and cloud infrastructure. We are committed to building scalable solutions that drive impact in public health, urban planning, and climate resilience. Role Overview We are seeking a Senior IoT / Embedded Engineer to lead the development of robust, reliable, and energy-efficient embedded systems for our environmental monitoring solutions. The ideal candidate will have deep expertise in microcontroller-based hardware, firmware development, wireless communication protocols, and integration with cloud services. You will work closely with our product design, data science, and operations teams to design and deploy field-ready IoT devices that function in real-world conditions. Key Responsibilities Lead architecture, design, and development of embedded systems for sensor-based IoT devices. Design and optimize firmware for ARM Cortex-M, ESP32, STM32, or similar microcontrollers. Integrate multiple sensors (PM, CO₂, NO₂, O₃, temperature, humidity, etc.) using UART, I2C, SPI. Implement power-efficient firmware to ensure long battery life and stability in field deployments. Design and implement OTA (Over-the-Air) updates and remote diagnostics. Work with cloud teams to ensure seamless data transmission using MQTT/HTTP over LTE/2G/NB-IoT/Cat-M1. Interface with hardware teams for PCB prototyping, design reviews, and debugging. Lead system-level testing, calibration routines, and field validation. Mentor junior engineers and support cross-functional collaboration. Required Qualifications B.Tech / M.Tech in Electronics, Embedded Systems, or related disciplines. 5+ years of experience in embedded firmware development for IoT devices. Proficiency in C/C++ with embedded toolchains (GCC, Keil, IAR, PlatformIO). Experience with RTOS (FreeRTOS or Zephyr) and bare-metal systems. Strong understanding of wireless communication protocols: BLE, LTE, Wi-Fi, LoRa, NB-IoT, etc. Familiarity with cloud integrations (AWS IoT, Azure IoT Hub, or custom MQTT brokers). Solid experience with test equipment: oscilloscopes, logic analyzers, protocol sniffers. Hands-on experience with sensor calibration, noise reduction, and signal conditioning. Comfortable working with Git, CI/CD pipelines for embedded development. Preferred Skills Exposure to environmental sensors and air quality instrumentation. Knowledge of cybersecurity for IoT devices (secure boot, encryption, etc.). Basic Python for scripting and automated testing. Experience with Linux-based edge devices or gateways. Understanding of regulatory and safety standards (EMI/EMC compliance). What We Offer Work on impactful real-world problems with direct relevance to climate and public health. A collaborative and innovation-driven culture. Flexibility in work hours and hybrid working options. Opportunities for growth into technical leadership or product strategy roles. Competitive salary and equity options. How to Apply Please send your resume and a brief cover letter to research@respirer.in with the subject line: Application – Senior IoT/Embedded Engineer – [Your Name] Show more Show less