Embedded Firmware Engineer Wireless & Sensors

Location: Hyderabad Experience 46 years Job Overview We are looking for a skilled Embedded Firmware Engineer with strong experience in Bluetooth Low Energy (BLE) and embedded systems, along with a solid foundation in Digital Signal Processing (DSP). The ideal candidate will work on high-performance, low-power wireless devices involving sensor data acquisition, real-time streaming, and advanced signal conditioning using filtering techniques. Key Responsibilities Design, develop, and maintain firmware for embedded systems with a focus on Bluetooth Low Energy (BLE) communicationWork with Wi-Fi and other wireless technologies (optional but preferred)Interface and integrate sensors such as:AccelerometersGyroscopesOther IMU / environmental sensorsImplement Digital Signal Processing (DSP) techniques for real-time sensor data analysisDesign and apply filtering techniques such as:Low-pass, high-pass, and band-pass filtersMoving average and exponential smoothing filtersSensor fusion filters (e.g., complementary filters, basic Kalman filtering)Develop solutions for high-frequency data acquisition and streaming over BLE and/or Wi-FiImplement and optimize mesh communication protocolsWork extensively with Nordic Semiconductor (nRF) platforms, including:nRF5 SDKnRF Connect SDK (NCS)Design and optimize data storage systems using NOR Flash, ensuring efficient:Data loggingRetrievalWear leveling (if applicable)Optimize firmware for:Low power consumptionBluetooth range and reliabilitySystem performance and latencyDebug, test, and validate firmware using standard tools (JTAG, RTT, logs, etc.)Collaborate with hardware, mobile, and backend teams for system integration Required Skills & Qualifications Strong experience in Embedded C/C++ programmingHands-on experience with BLE stack development and debuggingSolid understanding of Digital Signal Processing (DSP) concepts, including:Sampling theory and aliasingNoise reduction techniquesTime-domain and basic frequency-domain analysisExperience implementing filters on embedded systems for real-time data conditioningExperience working with sensor data acquisition and processing (IMU preferred)Solid understanding of:Real-time systemsInterrupts, timers, and low-power modesExperience with nRF52/nRF54 series or similar MCUsFamiliarity with high-throughput data transfer over BLEExperience with flash memory management Understanding of wireless communication fundamentalsExperience in production-grade firmware developmentFamiliarity with mobile app interaction (BLE central side) Preferred Qualifications Exposure to power profiling and optimization toolsExperience with OTA (Over-the-Air) firmware updatesKnowledge of RTOS (Zephyr preferred for NCS)Experience with sensor fusion algorithms (e.g., orientation estimation using IMU data)Experience implementing or working with BLE Mesh or other mesh protocolsExperience with Wi-Fi-based embedded systemsExperience in wearable devices / IoT productsFamiliarity with FFT or spectral analysis in embedded environments Soft Skills Strong analytical thinking, especially for signal interpretation and noise handlingStrong problem-solving and debugging skillsAbility to work independently and in cross-functional teamsGood communication and documentation skills Cross-Functional Collaboration Work closely with hardware engineers to co-design power-efficient systemsAlign on RF performance tuning and BLE/Wi-Fi optimizationEnable efficient sensor data pipelines and storage systemsJointly debug system-level issues across hardware and firmware Location: Hyderabad Experience 46 years Job Overview We are looking for a skilled Embedded Firmware Engineer with strong experience in Bluetooth Low Energy (BLE) and embedded systems, along with a solid foundation in Digital Signal Processing (DSP). The ideal candidate will work on high-performance, low-power wireless devices involving sensor data acquisition, real-time streaming, and advanced signal conditioning using filtering techniques. Key Responsibilities Design, develop, and maintain firmware for embedded systems with a focus on Bluetooth Low Energy (BLE) communicationWork with Wi-Fi and other wireless technologies (optional but preferred)Interface and integrate sensors such as:AccelerometersGyroscopesOther IMU / environmental sensorsImplement Digital Signal Processing (DSP) techniques for real-time sensor data analysisDesign and apply filtering techniques such as:Low-pass, high-pass, and band-pass filtersMoving average and exponential smoothing filtersSensor fusion filters (e.g., complementary filters, basic Kalman filtering)Develop solutions for high-frequency data acquisition and streaming over BLE and/or Wi-FiImplement and optimize mesh communication protocolsWork extensively with Nordic Semiconductor (nRF) platforms, including:nRF5 SDKnRF Connect SDK (NCS)Design and optimize data storage systems using NOR Flash, ensuring efficient:Data loggingRetrievalWear leveling (if applicable)Optimize firmware f