Freelance Engineer Available for Projects

Building the Intelligence Inside Everyday Hardware.

With over a decade of experience in embedded systems, I bridge the gap between complex hardware and seamless software. Specializing in connected devices, IoT, and high-precision automation.

View Projects Contact Me
main.c 
int main(void) {
    system_init();
    bluetooth_init();
    mems_sensor_init();
    
    while(1) {
        // Connecting the physical
        // world to the digital.
        process_sensor_data();
        ble_transmit();
    }
}

TRUSTED BY INNOVATIVE BRANDS AND STARTUPS

About Me

A decade of translating electrons into action.

Murad Jabir - Embedded Systems Engineer

I am a freelance Embedded Systems Engineer with over 10 years of experience designing, developing, and deploying robust firmware and hardware solutions. My journey has taken me from low-level microcontroller programming to building complex IoT ecosystems.

I thrive on the challenges of resource-constrained environments, optimizing for battery life, speed, and reliability. Whether it's a consumer smart home device or precision measurement equipment, I deliver solutions that are engineered to last.

10+

Years Experience

25+

Major Smart Products

100%

Client Satisfaction

100+

Custom PCBs

Core Competencies

The tools and technologies I use to build reliable systems.

⚡

Microcontrollers

ARM Cortex-M STM32 Family ESP32 / ESP8266 AVR & PIC
📡

Connectivity & IoT

BLE Specialization Wi-Fi / TCP/IP UART/SPI/I2C/CAN MQTT & WebSockets
💾

Firmware & Software

C / C++ FreeRTOS Zephyr Project Hardware Debugging
⚙️

Hardware Design

MEMS Integration Altium / KiCad Sensor Fusion Power Optimization

AI-Accelerated Engineering

Leveraging the new era of AI to dramatically reduce iteration cycles and time-to-market.

🧠

Generative Hardware Design

Using AI tools to assist in complex PCB routing, thermal analysis, and generative CAD modeling to reduce iteration time and discover novel form factors.

⚡

AI-Accelerated Firmware

Leveraging advanced LLMs and coding copilots for rapid boilerplate generation, complex algorithm scaffolding, and automated unit testing in C/C++.

🔍

Automated QA & Validation

Using machine learning models to rapidly analyze sensor logs, hardware test data, and machine vision parameters for accelerated debugging.

How I Can Help

Specialized engineering services to take your product from concept to mass production.

🔌

PCB Design & Hardware Architecture

Custom circuit board design using Altium/KiCad. From component selection and schematic capture to dense, multi-layer routing optimized for manufacturing and signal integrity.

💻

Embedded Firmware & RTOS

Bare-metal C/C++ programming and RTOS integration (FreeRTOS, Zephyr). Developing robust, ultra-low power firmware for constrained microcontrollers and complex SoCs.

⚙️

Full Product Prototyping

End-to-end prototyping bridging the gap between mechanical, electrical, and software domains. Delivering fully functional proof-of-concept devices ready for validation.

🌐

IoT & Connected Devices

Specialized expertise in Bluetooth Low Energy (BLE), Wi-Fi, and long-range RF. Building secure, reliable communication stacks for smart homes, wearables, and industrial IoT.

Featured Projects

A selection of consumer products and specialized tools I've helped bring to life.

Keymitt Smart Lock
Smart Home / Security

Keymitt Smart Lock

A retrofit smart lock designed to upgrade existing door locks. Features a motorized mechanism, Bluetooth/Wi-Fi connectivity, and seamless smartphone integration for remote access and activity monitoring.

BLE Motor Control IoT Hub
Anatomical Parameter Extraction
Software / Machine Vision

Anatomical Parameter Extraction

Developed complex machine vision algorithms to process high-density 3D scan point clouds. Extracted precise anatomical parameters to enable automated predictive modeling for customized fits, ensuring sub-millimeter accuracy.

Machine Vision 3D Scanning Algorithm Design
Microbot Push
Robotics / Automation

Microbot Push

A wireless robotic finger designed to physically press buttons on analog appliances. Built for extreme power efficiency and reliable mechanical actuation to turn "dumb" devices into smart ones.

BLE Low Power Actuators
Precision Object Scanning
Hardware / Machine Vision

Precision Object Scanning

Engineered a comprehensive scanning machine utilizing complex robotics to access and scan internal, difficult-to-reach portions of complex geometries. Integrated high-precision lasers and robotic actuation to generate complete point cloud models.

Robotics Laser Scanning Industrial Vision
Microbot Alert
Environmental Sensing

Microbot Alert

A compact, multi-purpose environmental sensor. Tracks temperature, humidity, CO2, VOCs, light, and noise levels. Deep integration with MEMS sensors for high-accuracy readings in a tiny form factor.

MEMS Sensor Fusion Data Logging
BLE Mesh Stack
Firmware / Networking

BLE Mesh Networking Stack

Engineered a highly scalable BLE Mesh network architecture capable of synchronizing hundreds of nodes. Focused on optimized packet routing, low-latency multicast messaging, and robust over-the-air (OTA) updates.

Embedded C BLE Stack Networking
Microbot Hub
Gateway / Network

Microbot Hub

The central bridge for the MicroBot ecosystem. Enables remote control from anywhere, voice integration (Alexa, Google), and complex automation workflows by translating cloud commands to local BLE networks.

Wi-Fi/BLE Gateway Cloud Integration RTOS
Sensor Fusion RTOS
Firmware / Signal Processing

Sensor Fusion & RTOS

Developed custom sensor fusion algorithms running on FreeRTOS to process complex 9-axis IMU and environmental data. Heavily optimized for ultra-low power sleep states and interrupt-driven wakeups.

FreeRTOS Sensor Fusion Low Power
CamSST Lite
Precision Measurement

CamSST Lite

A compact, essential instrument for testing mechanical film camera shutters. Features reliable optical sensors to measure standard exposure times, perfect for quick bench testing and hobbyists.

Optical Sensors Microcontroller LCD Display
Crypto Access Firmware
Firmware / Security

Cryptographic Access Control

Wrote secure bare-metal firmware for smart lock systems featuring advanced cryptographic handshakes, secure boot implementations, and encrypted BLE communication to prevent replay attacks and ensure absolute security.

Cryptography Bare-Metal C Secure Boot
CamSST Pro
Precision Measurement

CamSST Pro

The advanced model featuring high-speed optical sensors, microsecond precision timing (up to 1/8000s), and detailed shutter capping detection. Built for professional camera technicians and full diagnostics.

High-speed Optics Signal Processing Microsecond Timing
Fuel Pump Controller PCB
PCB Design

Fuel Pump Controller

A custom designed printed circuit board for precise fuel pump control. Engineered for high reliability in demanding environments with robust power delivery and signal integrity.

PCB Layout Power Electronics Signal Integrity
Isolated CMSIS-DAP PCB
PCB Design / Industrial

Isolated CMSIS-DAP

An isolated CMSIS-DAP module designed for remote debugging and recovery. Engineered as a critical sub-system of a larger industrial board design to ensure safe, reliable hardware debugging in harsh, high-noise environments.

Galvanic Isolation Hardware Debugging Industrial Grade
Solar Heater Prototype
Rapid Prototyping

Solar Heater Controller

A rapid prototype of a solar heater control system built on a custom copper board. Engineered to quickly validate proof-of-concept thermal logic and power switching before transitioning to a final production PCB.

Copper Board Thermal Control Proof of Concept
3D Scanning Edge Computing Solution
Edge Computing / Hardware

3D Scanning Edge Node

A high-performance edge computing solution engineered specifically for a 3D scanning company. Designed to process intensive point-cloud data and handle heavy computational workloads locally with ultra-low latency.

Edge Computing System Architecture High Performance
PoS Display PLC with Capacitive Touch
PCB Design / HMI

PoS Display PLC

A custom programmable logic controller (PLC) printed circuit board designed for a Point of Sale (PoS) display. Features an integrated capacitive touch interface for interactive consumer engagement and robust display management.

Capacitive Touch PLC Design HMI
Long Range Sensor Board
IoT / Mass Deployment

Long Range Sensor Boards

Designed and engineered hundreds of long-range sensor boards currently deployed across Africa. Built for extreme reliability and power efficiency in remote, harsh environments to facilitate wide-area data collection.

Long Range RF Low Power Mass Deployment
Custom Arduino Uno Clone with Micro USB
PCB Design / Maker

Custom Arduino Uno Clone

A custom-engineered Arduino Uno compatible development board featuring a modern Micro-USB interface. Designed to maintain full shield compatibility while offering improved power management and a more robust USB connection for everyday prototyping.

AVR Microcontroller Micro-USB Open Source Hardware
Micro DC Boost Converter
PCB Design / Power

Micro DC Boost Converter

An ultra-compact DC boost converter scaling a 1S Li-Po to 5V (200mA). Engineered around the Texas Instruments TPS61322xA, this design achieves high efficiency within a minuscule 6mm x 7mm footprint, ideal for space-constrained IoT wearables.

Texas Instruments TPS61322xA 6mm x 7mm Layout
Smart Golf Ball with nRF52832 and MPU9250
IoT / Sports Tech

Smart Golf Ball

An advanced smart golf ball prototype packed with sensors for real-time swing analytics and telemetry. Engineered with an nRF52832 SoC, an MPU9250 9-axis IMU, and integrated wireless charging to fit seamlessly within a standard golf ball form factor.

nRF52832 SoC MPU9250 IMU Wireless Charging
Precision Race Timing System
Precision Measurement / Telemetry

Precision Race Timing System

A high-accuracy race timing system designed to track car times using start and finish sensors. Engineered with differential signaling to maintain perfect signal integrity and noise immunity over extremely long wire lengths across the track.

Differential Signaling Sensor Networks High-Speed Timing
Bluetooth Smart Home PCB
PCB Design / Smart Home

Bluetooth Smart Home PCB

A custom printed circuit board designed for a smart home client, built around the Nordic nRF52 series SoC. Optimized for ultra-low power consumption and reliable Bluetooth Low Energy (BLE) connectivity to seamlessly integrate into modern smart home ecosystems.

Nordic nRF52 BLE Ultra-Low Power
Smart Wear PCBs
PCB Design / Wearables

Smart Wear PCBs

Designed and prototyped highly miniaturized printed circuit boards for an advanced smart wear project. Focused on extremely compact component placement, multi-layer routing, and ultra-low power states essential for all-day wearable technology.

Miniaturization Wearable Tech Ultra-Low Power
BLE Mesh Lighting Solution
IoT / Smart Lighting

BLE Mesh Lighting

A comprehensive BLE Mesh lighting solution built with the nRF52 Mesh SDK. Designed to control hundreds of nodes simultaneously using unicast, multicast, and cluster addressing, allowing the entire network to be managed seamlessly by connecting to the closest node.

BLE Mesh nRF52 Mesh SDK Mesh Networking
Hydroponics Farm Modular Controller
IoT / Agriculture Tech

Hydroponics Controller

A modular, scalable control system designed specifically for hydroponic farming. Engineered to handle precise environmental monitoring, automated nutrient dosing, and climate control, ensuring optimal growth conditions with a highly reliable architecture.

Modular Design Environmental Control AgTech
BLE Smart Lock PCB
PCB Design / Access Control

BLE Smart Lock PCB

A secure, compact printed circuit board designed for a BLE-enabled smart lock system. Engineered for ultra-low power standby, robust cryptographic security, and reliable motor driving to ensure seamless, secure access control.

BLE Security Motor Control Ultra-Low Power
Drone Payload Actuator
Mechatronics / Drone Tech

Drone Payload Actuator

An innovative payload delivery actuator engineered for a food delivery drone startup. The release mechanism is cleverly triggered by the drone's onboard lighting system, allowing for seamless integration without requiring complex flight-controller software modifications.

Actuator Design Opto-isolated Trigger Drone Integration
Scale Add-on Board for Dosing
PCB Design / Hospitality Tech

Inventory Dosing Scale Add-on

A precision add-on board designed for industrial scales, utilized by bar and restaurant managers to accurately measure inventory and automate liquid dosing. Built for reliability in high-spill, fast-paced environments.

Precision Measurement PCB Design Hospitality IoT
VAG HVAC Diagnostics Tool
Firmware / Automotive

VAG HVAC Diagnostics

Developed a custom CAN bus and K-line diagnostics tool. Utilized publicly available databases to analyze K-line data for deep diagnostics of VAG HVAC systems, enabling rapid fault identification and testing.

CAN bus K-line Automotive Diagnostics

Client Feedback

What my clients are saying on Fiverr and Upwork.

★★★★★

"It was great to work with Murad, professional and comes with additional improvements for you to decide on."

lucas_2307 Denmark
★★★★★

"Amazing work. Delivered exactly what was asked for, highly recommended for embedded projects."

nawfel_mezouar United States
★★★★★

"Great to work with. Excellent communication and very knowledgeable."

night81 United States
★★★★★

"Very good. Fast delivery and perfect execution."

fixydesign France

Ready to build something amazing?

Whether you need firmware development, PCB design, or a full system architecture, I'm available for freelance projects.

Hire me on Upwork Hire me on Fiverr Connect on LinkedIn