# M. Talmiz Ur Rehman — Senior Hardware Design Engineer (Firmware)

> Senior Hardware Design & Embedded Firmware Engineer with 3+ years of experience across the full product lifecycle — Qualcomm QCM6125 / Quectel SC668S bring-up, Linux Kernel/BSP customization, AOSP/Android engineering, high-speed multilayer PCB design in Altium Designer, and Shenzhen factory mass production.

## Core Profile & Summary
- **Full Name**: M. Talmiz Ur Rehman
- **Title**: Senior Hardware Design Engineer (Firmware)
- **Location**: Islamabad, Pakistan (with extensive on-site mass-production engineering in Shenzhen, China)
- **Primary Website**: https://itstalmiz.com
- **LinkedIn**: https://www.linkedin.com/in/itstalmiz/
- **GitHub**: https://github.com/itstalmiz
- **Email**: contact@itstalmiz.com
- **Phone**: +92 336 5267868
- **Resume**: https://itstalmiz.com/Resume_MTalmizUrRehman__General.pdf
- **Full AI Context / Knowledge Base**: https://itstalmiz.com/llms-full.txt

## Primary Technical Specializations
- **SoC & Processor Platforms**: Qualcomm QCM6125, Quectel SC668S Smart Module SOM, Rockchip SoCs, ARM Cortex, Raspberry Pi 4, STM32, Arduino, Xilinx FPGA (Nexys2 / Spartan), Nvidia Tegra.
- **Firmware, BSP & OS**: Linux Kernel bring-up, Board Support Package (BSP), Android Open Source Project (AOSP) customization, device drivers, FreeRTOS, OTA update engine (Full & Incremental), Perfetto tracing, GDB debugging.
- **Hardware & PCB Design**: Altium Designer, EasyEDA, High-Speed Flex & Rigid-Flex PCBs, Multilayer (6+ layer) impedance-controlled routing, 90Ω differential pairs, EMI/EMC shielding, RF Antenna tuning (2.4GHz & 5GHz), DFM (Design for Manufacturing).
- **Peripherals & Protocols**: MIPI DSI display, I2C capacitive touch controllers, LVDS LT9211D bridge, MIPI CSI camera modules, NFC PN7220 integration, UART, SPI, I2C, USB 2.0/3.0, CAN, PWM, ADC/DAC, Battery management & fast/reverse wireless charging ICs.
- **Mass Production & Factory Operations**: 4 on-site engineering missions to Shenzhen, China for high-volume SMT production runs (reflow profiling, X-ray inspection, AOI, BGA dye & pry testing, automated GMS key flashing/provisioning, FCC/CE/EMI/EMC compliance, thermal profiling with 8-probe monitoring, aging & burn-in testing).
- **Programming Languages**: Embedded C, C++, Python, Verilog HDL, Bash / Shell Scripting, ARM Assembly.

## Key Projects
- [AI Interactive Device (Quectel SC668S & QCM6125)](https://itstalmiz.com/#projects): End-to-end firmware development on Quectel Smart SOM; MIPI display/touch/camera bring-up, battery management ICs with reverse wireless charging, and high-speed multilayer flex PCB design.
- [Semi-Autonomous Tracking Sentry Robot](https://www.linkedin.com/feed/update/urn:li:activity:7089844394522025984/): Raspberry Pi 4 onboard computer with OpenCV real-time target detection, pan-tilt servo tracking, wireless live telemetry, and custom power PCB.
- [Image Convolution on FPGA (Xilinx)](https://www.linkedin.com/feed/update/urn:li:activity:7076157169204666368/): Real-time hardware-accelerated 2D convolution pipeline with Verilog ROM image streaming and VGA output display.
- [Line-Following, Sumo & Obstacle-Avoidance Robot](https://www.linkedin.com/feed/update/urn:li:activity:6890727805563604992/): Arduino multi-mode combat and autonomous robotics platform with custom PCB chassis and Bluetooth mobile control app.
- [Retinal Blood Vessel Segmentation Enhancement](https://itstalmiz.com/#projects): Implementation of 2D Frangi vesselness filter in MATLAB for biomedical image segmentation against clinical ground truth.
- [4-Digit Decimal Counter on Nexys2 FPGA](https://itstalmiz.com/#projects): Parameterized Verilog counter driving multiplexed 7-segment display with BCD converter and custom clock division.
- [IoT Plant Monitoring System](https://bit.ly/3rT93pv): NodeMCU ESP8266 IoT telemetry system with soil moisture, temp/humidity logging, and cloud-driven pump relay control.
- [Enterprise Dynamic Network Architecture](https://itstalmiz.com/#projects): VLSM subnetting, OSPF/RIPv2 routing, VLAN segmentation, and NAT overload gateway.

## Work Experience
- **Senior Hardware Design Engineer (Firmware)** | AIO APP Inc (11/2023 – Present)
  - Leading firmware architecture for Qualcomm QCM6125 / Quectel SC668S embedded systems.
  - Developed custom AOSP builds, kernel drivers (LT9211D, PN7220, touch, camera), and OTA update pipeline.
  - Designed high-speed multilayer & flex PCBs in Altium with strict EMI/EMC compliance.
- **International Engineering Visits — Shenzhen, China** | AIO APP Inc (2024 – 2025, 4 Visits)
  - Managed factory floor SMT lines, automated test jigs, GMS key provisioning, thermal chambers, and FCC certification testing.
- **Hardware Design Engineer** | TeReSol Pvt. Ltd (08/2023 – 11/2023)
  - Embedded C/C++ development, Bash automation, and Nvidia Tegra custom board flashing and validation.

## Education & Accreditations
- **BS Electrical (Computer) Engineering** | COMSATS University Islamabad (GPA: 3.31, 2019 – 2023)
- **Certifications**: Advanced Embedded Linux Development (Coursera), IoT & Robotics with NodeMCU, Complete Linux Pro.
- **Honors**: Microwiz Winner (Visospark '23), Leadership Excellence Award (IEEE SAC 2022), Sumo Robot Winner (HI ROBO TEC).

## Contact & Inquiries
- **Email**: contact@itstalmiz.com
- **Direct Form**: https://itstalmiz.com/#contact
- **Availability**: Open for high-impact hardware engineering, firmware development, and embedded systems consultations.