02. Career Timeline
GreenWave Radio— Firmware Engineer
2023 - Present
CARM NEONRTOSThreadXDSPPCIe5GUARTSPIRAGLLM
- ▹Optimized DPD algorithm with NEON SIMD achieving 3x throughput improvement.
- ▹Implemented secure multi-core boot sequence for 5G Radio Unit SoC.
- ▹Designed UART daisy chain architecture with SLIP framing and zero-copy forwarding for multi-node 5G systems.
- ▹Implemented CAST SPI-to-AHB bridge driver for FPGA register access with dual timing modes.
- ▹Built a RAG-based document chatbot using AnythingLLM integrating JIRA and SharePoint for engineering knowledge search.
Document Chatbot with AnythingLLM
RAG-Based Knowledge Assistant Integrating JIRA and SharePoint
RAGAnythingLLMJIRASharePoint
Read more →SPI Device Driver for Register Access
UART-to-SPI Command Pipeline for Remote Register Read/Write
SPIDevice DriverUARTCAST
Read more →UART Daisy Chain Architecture
Designing a Multi-Node UART Communication System on ThreadX RTOS
UARTDaisy ChainThreadXRTOS
Read more →Flash FileSystem
Implemented a File System on QSPI NOR flash
RTOSFileSystemFlash MemoryEmbedded Systems
Read more →Flash Writer Implementation for Embedded Systems
Developing a Robust Flash Memory Programming Solution for Multi-Core Boot Systems
Flash MemoryBootloaderEmbedded SystemsRTOS
Read more →Optimizing DPD Algorithm with ARM NEON SIMD
Accelerating Digital Predistortion Performance through NEON Register Optimization
ARMNEON SIMDPerformance OptimizationDigital Signal Processing
Read more →Western Digital— Firmware Engineer
2014 - 2023
CARMTCGStorage FirmwareSecure BootAHCI/NVMe
- ▹Architected unified security API adopted across 5+ storage product lines.
- ▹Shipped TCG-compliant firmware securing millions of enterprise drives.
PCIe AHCI Device Driver Development
Implementing High-Performance Storage Interface for Hybrid HDD Systems
PCIeAHCIDevice DriversStorage Systems
Read more →Secure Drive
Storage device with Security Features enabled.
hugo-site
Read more →Serial communication
Half-Duplex SIO communication
Serial CommunicationProtocol DesignEmbedded SystemsFirmware Development
Read more →SMR
Shingled Magnetic Recording
HDD FirmwareStorage SystemsSequential I/OFirmware Development
Read more →AnyData— Embedded Software Engineer
2012 - 2014
CWirelessOTA UpdatesModem Firmware
- ▹Designed OTA firmware update system reducing field deployment time by 80%.
- ▹Built remote modem management platform for fleet-wide monitoring.
Detailed project writeups coming soon.
Dasan Networks— Software Engineer
2008 - 2012
CLinuxIPv6NetworkingEmbedded Systems
- ▹Delivered Layer 2 switch firmware supporting DHCP snooping and ARP inspection.
- ▹Built automated network diagnostic toolchain used across QA teams.