• Spearheaded the development of IoT device firmware on the Nordic nRF platform, focusing on BLE solutions and power optimization. This effort led to a 15% increase in device reliability and lifespan.• Engineered high-performance embedded applications in C/C++, utilizing FreeRTOS for multitasking. Implemented efficientprotocol stacks for I2C and SPI, achieving a 20% improvement in memory and resource efficiency.• Directed the PCB bring-up process, systematically resolving power supply and signal integrity issues, resulting in a 10% boost inoverall system performance.• Developed innovative energy-efficient Bluetooth communication strategies, leveraging BLE profiles and services. This approach enhanced data throughput by 25% and contributed to significant power savings and extended life for smart wearables.• Demonstrated proficiency in ARM assembly language, optimizing performance-critical sections of firmware for ARM-based microcontrollers, enhancing efficiency and performance optimization across various microcontrollers (ARM Cortex, AVR, PIC) for real-time applications.• Applied best practices in embedded systems design, focusing on modularity, scalability, and fault tolerance. This approach supported product evolution and maintenance, ensuring robust performance and reliability under varying operational conditions.• Engineered solutions for direct memory access (DMA) and peripheral configuration, optimizing data throughput and system responsiveness, enabling robust communication and precise timing for critical operations.• Led cross-functional teams in the agile development of IoT firmware, fostering collaboration between software, hardware, and product management to ensure cohesive project outcomes.• Employed advanced debugging and problem-solving techniques, utilizing tools such as oscilloscopes, logic analyzers, and JTAG/debuggers to swiftly resolve complex technical issues.

• Defined and collaborated on the firmware architecture to ensure optimal alignment between software functions and hardware capabilities, significantly improving system efficiency by 30%.• Employed advanced C/C++ programming techniques, including templates and the Standard Template Library (STL), to efficiently solve complex algorithmic challenges. This expertise extended to developing scalable applications using ZephyrRTOS, focusing on modularity and portability across different micro controllers.• Integrated sensors and actuators with microcontrollers using interrupt-driven programming and finite state machines, achieving responsive system behavior. This included creating custom peripheral drivers to enhance microcontroller capabilities for sensor data acquisition and actuator control, which improved sensor and actuator performance by 20%.• Leveraged multiple communication protocols in embedded systems to facilitate seamless interaction between components and external modules. This included the successful integration of Bluetooth mesh networking, which contributed to robust and scalable wireless connectivity solutions, increasing connectivity range by 40%.• Conducted comprehensive electrical signal analysis and debugging with oscilloscopes and logic analyzers, ensuring optimal hardware-software integration. This foundation supported the implementation of firmware for board diagnostics and validation, facilitating efficient production ramp-up and quality assurance.• Demonstrated proficiency in AUTOSAR architecture, with hands-on experience configuring AUTOSAR modules, including MCAL, BSW, and RTE, for automotive software development, thereby enhancing system interoperability and component integration.

• Implemented a comprehensive firmware version control and update mechanism, leveraging Nordic’s nRF SDK for the development and debugging of BLE applications, significantly enhancing connectivity and user experience across product lines.• Employed object-oriented programming principles in C++ to enhance code modularity and reusability, alongside developing efficient power management strategies that led to a notable 25% improvement in the battery life of portable devices.• Optimized cloud-connected devices for minimal memory footprint and real-time responsiveness using AzureRTOS, coupled withthe development of UART-based serial communication interfaces for reliable long-distance data transfer.• Enhanced system reliability and serviceability through the implementation of microcontroller firmware updates via custom bootloader code, and designed low-latency interrupt service routines (ISRs) for critical hardware event management.• Collaborated closely with hardware engineers to improve PCB designs for better manufacturability and testability, and rigorously implemented and tested Bluetooth security protocols to ensure secure, encrypted data transmission.• Developed custom AUTOSAR-compliant drivers and modules, significantly improving the modularity and scalability of automotive software systems, while reducing data transmission errors by 30%