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Rajab
@syed_rajab61
Designing and Simulating Circuits, Power Systems and Embedded Solutions
Pakistan
English, Urdu, Hindi, Sindhi
About me
I am an electrical engineer offering services in power electronics, circuit design and simulation, power system analysis, and embedded systems. I design and simulate circuits including DC-DC converters, SMPS, analog filters, and embedded system designs using tools like LTspice, Multisim, Proteus, MATLAB/Simulink, and Proteus. I also provide power system studies including load flow, short circuit, and protection coordination analysis tailored to your project requirements. I deliver accurate, well-documented, and clearly explained results.
Skills
Rajab
Offline •
Average response time: 1 hour
See my services
Embedded Systems & IoT
I will design and simulate power electronics circuits and smps
Embedded Systems & IoT
I will design and simulate analog filter circuits
Portfolio
Work experience
Embedded Systems Engineer
Amazon • Part-time
Sep 2025 - Present • 8 mos
Delivered embedded systems projects for international clients, specializing in microcontroller programming (Arduino, STM32, ESP32, PIC). Developed firmware for real-time sensor interfacing, UART/I2C/SPI communication protocols, and motor control systems. Designed and debugged embedded C/C++ code for IoT-based automation and Amazon Alexa-compatible smart home devices. Experienced in integrating embedded hardware with AWS IoT Core for cloud-connected device solutions. Maintained strong client satisfaction through timely delivery and clear technical communication.
IoT Solutions Developer
Freelancer.com • Self-employed
Jan 2024 - Present • 2 yrs 4 mos
Designed and deployed end-to-end IoT solutions for home automation, industrial monitoring, and smart energy management systems. Programmed ESP8266/ESP32 modules for Wi-Fi and MQTT-based cloud connectivity using platforms like Blynk, ThingSpeak, and AWS IoT. Integrated sensors including DHT22, MPU6050, load cells, and current sensors with microcontrollers. Delivered complete hardware-software solutions with mobile dashboard interfaces for real-time data visualization.
Analog & PCB Circuit Design Engineer
Upwork • Self-employed
Aug 2023 - Present • 2 yrs 9 mos
Provided analog circuit design and PCB layout services to clients across multiple industries. Designed signal conditioning circuits, op-amp-based filters, power supply units, and sensor interface boards. Created schematics and multi-layer PCB layouts using KiCad and Altium Designer, ensuring DFM compliance and EMI best practices. Delivered Gerber files and full BOM documentation for client manufacturing needs.
