Senior Firmware Engineer
Role Overview
Sasken seeks a Senior Firmware Engineer for cellular and Wi-Fi IoT products.
The role focuses on firmware development, connectivity integration, and aggressive battery optimization for production-grade devices.
The engineer will work on field-deployed products and own modules for cellular modem integration, Wi-Fi, power management, OTA, and debugging.
Key Skills for This Role
Full Job Posting
Role Summary
Sasken seeks a Senior Firmware Engineer for cellular and Wi-Fi IoT products.
The role focuses on firmware development, connectivity integration, and aggressive battery optimization for production-grade devices.
The engineer will work on field-deployed products and own modules for cellular modem integration, Wi-Fi, power management, OTA, and debugging.
Experience and Domain
- Experience required is 5 to 8 years.
- The domain includes LTE, NB-IoT, Wi-Fi, and low-power IoT.
- Strong hands-on experience in cellular- and Wi-Fi-based IoT products is requested.
Firmware Development and Architecture
- Design and develop embedded firmware on RTOS or bare-metal platforms.
- Implement modular firmware components aligned with system architecture.
- Participate in firmware architecture and design reviews.
Cellular Firmware
- Integrate and maintain firmware for LTE, LTE-M, and NB-IoT.
- Work with Quectel, u-blox, or similar cellular modules.
- Handle AT commands, network attach and detach logic, and reconnect and recovery flows.
- Address poor coverage, intermittent connectivity, and SIM or registration failures.
- Optimize modem usage using PSM, eDRX, and minimal wake-up and transmit time.
Wi-Fi Firmware
- Implement Wi-Fi station-mode connectivity and TCP/IP stack integration.
- Implement secure communication using TLS.
- Optimize Wi-Fi behavior for power consumption, fast connection, and reliable data transfer.
- Handle coexistence scenarios between Wi-Fi and cellular.
Location
- The listed location is Ahmedabad.
Apply for this job in 1 click
Skip the repetitive application forms
Install the Base Career Chrome Extension and autofill job applications across major job boards with your profile.
Trusted by over 500,000 job seekers on Base Career