s
sayed86

Rajab Ali

@sayed86
4,7(8)

Level 1

Professional Electrical Engineer with hands on experience in analog circuits

Paquistão
Inglês, Alemão, Árabe
Algumas informações são exibidas no idioma inglês.
Sobre mim
Greetings! I am Rajab Ali, a passionate Electrical Engineer with 7+ years of experience in Analog Circuit Design, Power Electronics, PCB Development, and Embedded Systems. Over the years I have worked on everything from precision filter designs and SMPS simulations in LTspice, to multi-layer PCB layouts in Altium & KiCad, to full IoT systems using ESP32 and STM32. I take pride in delivering accurate, well-documented work that actually makes sense to the person receiving it. Feel free to message me anytime. Thank you.... Saiba mais

Habilidades

s
sayed86
Rajab Ali
offline • 
Tempo médio de resposta: 1 hora

Conheça meus serviços

Sistemas Incorporados e IoT
I will design analog circuits using ltspice including amplifiers filters
5,0(3)
Sistemas Incorporados e IoT
I will design and simulate power electronics circuits and smps
5,0(1)

Portfólio

Experiência profissional

Freelancer.com

IoT Solutions Developer

Freelancer.com • Autônomo

Feb 2024 - Present2 yrs 3 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.

Upwork

Analog & PCB Circuit Design Engineer

Upwork • Autônomo

Feb 2023 - Present3 yrs 3 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.

Fiverr

Embedded Systems Engineer

Fiverr • Autônomo

Dec 2022 - Present3 yrs 5 mos

Delivered freelance embedded systems projects for international clients via Fiverr, 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 projects. Maintained a strong client satisfaction record through timely delivery and clear technical communication.

8 Avaliações
4,7

(6)
(2)
(0)
(0)
(0)
Classificação detalhada
  • Nível de comunicação do freelancer
    5
  • Qualidade da entrega
    4,8
  • Valor da entrega
    4,3
1-5 fora das 8 avaliações
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