s
sayed86

Rajab Ali

@sayed86
4,7(8)

Level 1

Professional Electrical Engineer with hands on experience in analog circuits

Pakistan
Inglese, Tedesco, Arabo
Alcune informazioni sono riportate in lingua inglese.
Chi sono
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.... Continua a leggere

Competenze

s
sayed86
Rajab Ali
offline • 
Tempo di risposta medio: 1 ora

Consulta i miei servizi

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

Portfolio

Esperienza lavorativa

Freelancer.com

IoT Solutions Developer

Freelancer.com • Lavoratore autonomo

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 • Lavoratore autonomo

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 • Lavoratore autonomo

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 Recensioni
4,7

(6)
(2)
(0)
(0)
(0)
Valutazione dettagliata
  • Livello di comunicazione del venditore
    5
  • Qualità della consegna
    4,8
  • Valore della consegna
    4,3
1-5 di 8 recensioni
Ordina per
Più rilevante
    S

    sannnn2

    Cliente abituale

    US

    Stati Uniti

    5

    The work was done professionally and efficiently. It showed good quality, attention to detail, clear communication, and timely completion. Overall, the performance met expectations and reflected a strong level of professionalism.

    50 USD-100 USD

    $

    3 giorni

    Tempo

    gig

    Sistemi integrati e IoT

    Utile?
    No
    J

    jstudaway

    Cliente abituale

    US

    Stati Uniti

    5

    great work

    100 USD-200 USD

    $

    8 giorni

    Tempo

    gig

    Sistemi integrati e IoT

    Utile?
    No
    J

    jstudaway

    Cliente abituale

    US

    Stati Uniti

    5

    Attention to details, Bug free, Deep understanding, and Level of cooperation.

    Fino a 50 USD

    $

    1 giorno

    Tempo

    gig

    Sistemi integrati e IoT

    Utile?
    No
    P
    image-docs

    podcast_booker

    US

    Stati Uniti

    5

    Great experience with this seller. Would definitely work with him again

    50 USD-100 USD

    $

    9 giorni

    Tempo

    gig

    Sistemi integrati e IoT

    Utile?
    No
    O

    oliver690

    GB

    Regno Unito

    4

    Rajab Ali delivered satisfactory work the collaboration was excellent, going above and beyond with great cooperation and language fluency, the overall value provided felt lacking.

    50 USD-100 USD

    $

    3 settimane

    Tempo

    Utile?
    No