• Implemented XBL bootloader state machine in BSP to split image loading, ensuring timely watchdog pet and preventing timeouts• Created Trace32 script for flashing multiple ELF images or a binary to a GUID partitionTesting and Validation----------------------• Developed and executed code coverage tests for XBL bootloader on ARMv8+ architecture with Parasoft, ensuring compliance with safety-critical standards• Developed unit tests for temperature threshold adjustments and interrupt priority verification

• Developed Python-based decoders for SPD EEPROM and SFDP hex dumps, leveraging bit-parsing techniques to extract and print device capabilities based on a data sheet• Enhanced Python bootloader patching script to overlay multiple patch files onto an OTP file, utilizing bit manipulation and splicing techniques to facilitate updates

• Developed bare-metal application firmware and device drivers for J1772 EV charging, using ADC window sampling to assess charging state, validated via oscilloscope and logic analyzer• Modified firmware for 12-bit PMBUS sensor scaling to adjust voltage and current readings via slope and offset modifications, enabling power meter readback and calibrationC# Programming--------------------------• Built a C# tool to align Excel headers with database headers via SQL and transfer matching columns into a new workbook, saving 300–700 hours annually• Implemented CRC-8 error detection algorithm using a CRC lookup table to access CRC with lower access times as well as improved data integrityHardware----------• Selected power supply for EVSE with consideration of nominal output voltage, ripple, and rated power ensuring the system is provided with the required input voltage and has ~ 1.5W of margin if the system requires a higher-power MCU alternative or further load is added to the rails• Designed subsystems of EVSE in Cadence Allegro with op-amp selection according to power-supply rails, required slew-rate, and voltage required at the opamp output, ensuring adherence to J1772 EVSE design specificationsMisc------------•Documented EVSE testing, and expected behavior in a whitepaper, ensuring sufficient information is provided to other teams for project validation using the EVSE

• Developed LUA test automation suite with selectable test modes and test parameters, providing early detection of board failure at higher temperatures, and improving product reliability before shipments• Displayed ATE measurements on GUI and stored measurements ,board serial number with the date and time inside of a file, providing a test report for future comparison• Eliminated upper/lower level communication bottleneck with the removal of function calls and buffer flushing successfully reducing runtime from 1:30 min to 14sHardware-----------• Simulated board defects according to board layout, by adding shorts as well as removing relays, establishing that the test script detects short-circuit and open-circuit board conditions• Diagnosed power loss in boards using ECAD software (PADS) to locate traces or components and a multimeter to validate measurements along the trace, thus providing error isolation and further repair of 7 client boardsSoft Skills-----------• Lead project review according to stakeholder needs and provided documentation to supplement training, ensuring an understanding of underlying software architecture