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Senior Embedded Linux and Firmware engineer, device drivers, BSPs, board bring-up. Eclipse ThreadX committer, seL4 maintainer, Linux Kernel contributor. I work where hardware meets software. If your board does not boot, your driver drops data, or your firmware has to run on silicon nobody has ported to yet, that is my day job rather than a side interest. WHAT I DO - Linux device drivers (SPI, I2C, PCIe, MIPI-CSI) written to upstream quality - Board bring-up and BSP development, from schematic to booting userspace - Yocto and Buildroot builds, device tree work, U-Boot and secure boot - RTOS ports and integration: Zephyr, Eclipse ThreadX, FreeRTOS, seL4 - Firmware CI/CD and hardware-in-the-loop test automation - C/C++ performance profiling and rescue work on code you did not write VERIFIABLE TRACK RECORD - Official Eclipse ThreadX committer, Eclipse Foundation. I review and merge changes across the RV64 and RV32 ports, and wrote the RV32/GNU port and the QEMU-virt BSP. - Official seL4 microkernel maintainer for BananaPi BPI-F3 (SpacemiT K1): kernel init, peripheral drivers, 100% seL4-test pass rate. - Linux kernel patch merged upstream in v6.20 (spi-cadence-quadspi) - Booted Linux 6.10 on a custom RISC-V software simulator. - Built an AWS verification suite for a RISC-V vector processor: 700% throughput increase. - Maintain Cloud-V, a RISC-V CI platform: 97.6% uptime, 120+ users. STACK Languages: C, C++, Python, Bash, RISC-V and x86 assembly, SystemVerilog Kernels and RTOS: Linux kernel, seL4, Eclipse ThreadX, Zephyr, FreeRTOS Low level: device drivers, bootloaders, linker scripts, BSPs, device tree, DMA, interrupts, memory-mapped I/O, cross-toolchains Silicon: RISC-V RV32/RV64, ARM Cortex-M and Cortex-A, STM32, ESP32, i.MX, StarFive, SpacemiT Tools: QEMU, Spike, GDB, Yocto, Buildroot, Git, CI/CD, Make, CMake, pytest CREDENTIALS Linux Foundation: LFD114 Porting Software to RISC-V, LFD123 RT-Thread RTOS on RISC-V, LFD103 Linux Kernel Development, LFD110 Introduction to RISC-V. Two papers presented at RISC-V Summit EU 2026. Send me your board, your datasheet, or the driver that is misbehaving, and I will come back with a concrete assessment of what it takes to make it work.

✅ Computer Organization and Architecture Expert ✅ Experienced Programmer of High Level and Low Level languages ✅Top-Rated Tutor with advance skills of Tutoring computer science subjects ✅ Proven Results with 100% success score at UpWork and Fiverr ✅ Back-End Expertise: Proficient in Python, Node.js, C++, C#, Java, and Rust for scalable back-end development. ✅ 5+ Years of Teaching experience Proven Track Record: Consistently 5-star reviews with a 100% job success rate. Reliability: Trustworthy, delivering high-quality work on time, every time. Adaptability: Eager to learn new tools and technologies to meet project needs. Strong Communication: Highly responsive, ensuring effective collaboration. Respect & Dedication: Committed to improving every client's situation with kindness and professionalism. Client testimonial: "Extremely skilled developer, proactive problem-solver, and excellent communicator. Will definitely hire again!"

C++ Software Engineer I’m a Software Engineer with 5+ years of professional experience building reliable, scalable, and high-performance software, with a strong specialization in modern C++ and Linux-based systems. I have experience developing complex applications involving multithreading, concurrency, network programming, socket communication, and performance optimization. I focus on writing clean, maintainable, and well-tested code that is designed to perform reliably in real-world environments. What I can help you with: • Modern C++ development • High-performance and multithreaded/concurrent applications • Linux system programming and command-line development • TCP/UDP socket and network programming • Build systems using CMake and Make • Debugging, profiling, and performance optimization • Unit testing with Google Test and JUnit • Git, GitHub, GitLab, and Bitbucket workflows Technical Expertise: Languages: C++ C++: STL, Boost, Modern C++, Concurrency, Multithreading Networking: TCP/IP, UDP Build Systems: CMake, Make Operating Systems: Linux (Ubuntu, CentOS, Debian), macOS, Windows Debugging & Performance: GDB, Valgrind Testing: Google Test, JUnit Version Control: Git, GitHub, GitLab, Bitbucket I care about code quality, performance, reliability, and clear communication. Whether you need to develop a new C++ application, fix a difficult bug, optimize an existing system, or work with Linux, networking, or concurrency, I can help turn your requirements into a robust technical solution. If you have a challenging software problem, feel free to reach out. I’d be happy to discuss your project and how I can help.

I am a Windows Systems Software Engineer with 5+ years of experience in Windows kernel development, OS internals, Windows application development, low-level programming, C++, reverse engineering, endpoint security, DLP, MDM, and cybersecurity. I help companies design, develop, debug, and optimize secure, reliable, and high-performance Windows software ranging from desktop applications and system utilities to kernel-mode drivers, monitoring solutions, and enterprise security products. My expertise includes: • Windows Kernel Development (KMDF, WDM, Minifilter, WFP) • Windows Internals & Low-Level System Programming • Windows Desktop Applications & System Utilities • C/C++ Systems Programming • Reverse Engineering & Windows API • Endpoint Security, DLP & MDM Solutions • Process, File System & Registry Monitoring • Driver Debugging, BSOD Analysis & WinDbg • Driver Signing, HLK, WHQL & Production Deployment • IOCTL, IPC, Shared Memory & Named Pipes • Multi-threaded & Performance-Critical Software • Network Filtering & System Monitoring • Virtual Device Drivers (Audio, Display & Custom Devices) • Windows Services & Background System Components • Linux Kernel Modules & Cross-Platform Systems Programming • Rust System Software & Firmware Development Recent projects include Windows virtual audio drivers, file system MiniFilter drivers, WFP-based network filtering solutions, smart-card filter drivers, virtual display drivers, kernel telemetry systems, process monitoring tools, Windows print subsystem integration, Rust firmware migration, embedded communication systems, and other performance-critical system software. These projects span operating system components, hardware integration, security products, and production-ready Windows solutions. I focus on building software close to the operating system, where performance, reliability, security, and maintainability matter most. Whether it's extending Windows functionality, developing custom drivers, building desktop applications, integrating hardware, or solving complex system-level challenges, I deliver clean architecture, production-ready code, and long-term maintainable solutions. If you're looking for an engineer who understands Windows from user mode to kernel mode and can take ownership of complex C++, Windows, cybersecurity, or low-level systems projects, I'd be happy to discuss your requirements.