
Usman
Level 1
Bringing Embedded Ideas to Life with Precision and Innovation!
Skills

See my services


Want to work on an hourly basis?
Tell Usman what you need.
$7
/
hourPortfolio
Work experience
Embedded System Engineer
Fiverr • Full-time
Aug 2020 - Present • 5 yrs 9 mos
1 - Developed firmware for microcontrollers including Arduino and ESP32 using C/C++. 2 - Designed and implemented embedded applications with sensor integration and actuator control. 3 - Built communication interfaces: UART, SPI, I2C, Wi-Fi, and Bluetooth (BLE). 4 - Developed IoT systems with cloud integration (MQTT, HTTP APIs). 5 - Implemented multitasking and concurrency using FreeRTOS on ESP32. 6 - Optimized memory usage, power consumption, and performance of embedded applications. 7 - Created custom drivers for sensors, displays (TFT/OLED), and peripherals. 8 - Debugged hardware-software integration issues using serial debugging and logic analyzers. 9 - Designed state machines and event driven architectures for embedded applications. 10 - Worked with file systems (SD card, SPIFFS/LittleFS) for data logging. 11 - Integrated OTA (Over-the-Air) firmware update systems. 12 - Performed testing, validation, and debugging of embedded products.
Embedded Developer
Consulting • Full-time
May 2021 - Jan 2022 • 8 mos
1 - Developed and maintained embedded firmware for ESP32 and Arduino based systems, delivering reliable performance for IoT and consumer electronics applications. 2 - Designed and implemented BLE and Wi-Fi communication modules for device-to-mobile and cloud connectivity. 3 - Built modular and scalable firmware architectures using FreeRTOS, enabling multitasking for sensor processing, communication, and UI handling. 4 - Improved system performance by optimizing memory usage, reducing power consumption, and enhancing responsiveness in embedded applications. 5 - Developed custom drivers for sensors (motion, temperature, proximity) and integrated multiple peripherals including LCD/TFT displays and SD card storage. 6 - Led debugging and root cause analysis of hardware-software integration issues, reducing system failure rates and improving overall stability. 7 - Delivered multiple IoT prototypes from concept to deployment, including smart home automation, tracking systems, and wearable devices with measurable improvements in efficiency and usability.
89 Reviews
| (86) | ||
| (3) | ||
| (0) | ||
| (0) | ||
| (0) |
Rating Breakdown
- Seller communication level
- Quality of delivery
- Value of delivery
Sort By
baileyscott1978
Repeat Client

United Kingdom
This is the second time I have used Usman. He is very knowledgeable.

sirajuddin602

Pakistan
Absolutely outstanding experience! The freelancer exceeded all expectations with their deep understanding, professional work, and crystal clear communication. Polite, reliable, and truly great value for money - a rare gem!

idealabz

United States
Usman did a fantastic job helping translate my concept into the next technical requirements. I’ll be working with him on phase 2 of my project as well!
baileyscott1978
Repeat Client

United Kingdom
Usman is clearly a skilled and knowledgeable individual. He delivered something i wasn't sure was possible. Thankyou Usman!
caseydobie

United Kingdom
What a brilliant experience working with Usman. This is what working with a professional should be. He's exceptionally talented at solving problems and making things work. He completely understood what I wanted and exceeded my expectations in delivering a better than hoped for result. He went above and...

