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Kodxcel
@iamhamzahassan
Level 2
Expert Embedded Linux and Firmware Developer STM32 RTOS IoT Systems
Pakistan
English, Urdu
About me
10 years delivering production-grade embedded firmware for real-world hardware. I've built firmware for US-based commercial products and completed 30+ projects on Fiverr.
Specializing in: STM32, ARM Cortex, Embedded Linux, FreeRTOS, Linux device drivers, C/C++, UART/SPI/I2C/CAN/MQTT, KiCAD schematics and PCB, Python and Bash scripting.
Full ownership from concept to deployment — clean code, clear communication, no surprises. Let's build something solid.
Skills
Kodxcel
$25/hour
Offline •
Average response time: 1 hour
See my services
Embedded Systems & IoT
I will develop arduino, stm32 and esp32 firmware for your hardware project
Embedded Systems & IoT
I will build your iot system with embedded linux, mqtt and cloud integration
Want to work on an hourly basis?
Tell Kodxcel what you need.
$25
/
hourPortfolio
Work experience
Associate Principal Embedded Engineer
Technoloy • Part-time
Jun 2022 - Present • 3 yrs 11 mos
I am an Associate Principal Embedded Engineer at TEO with strong experience in Embedded Systems and C++ development. I started as a Senior Embedded Engineer and progressed to my current role through consistent performance. I have worked on embedded solutions, system design, and debugging. Recognized with certificates for course completion and outstanding contributions. I also have hands-on experience in schematic design and basic PCB layout. I deliver reliable and efficient solutions.
Embedded System Engineer
Software Engineering Daily • Full-time
Jun 2020 - Aug 2022 • 2 yrs 2 mos
• Designed an IoT-based access control system integrating QR code and face recognition for secure entry. • Built a smart hydroponic monitoring system with real-time sensor data, cloud sync, and automated alerts. • Developed Linux-based embedded applications to handle real-time data collection and remote monitoring. Result: Delivered end-to-end IoT systems with cloud integration for real-world clients.
17 Reviews
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Rating Breakdown
- Seller communication level
- Quality of delivery
- Value of delivery
1-5 out of 17 Reviews
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rarlup
Romania
Highly recommended! I wanted a module changed for a custom OS on a NAS and he delivered it ahead of time, with step by step documentation and also helped me troubleshoot some minor issues during deployment on my end. My only regret is that I didn't contact it him sooner to assist and wasted days trying...
Seller's Response
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topgradecoder
Kenya
Helpful?
healyourhunger
Pakistan
If you're seeking any embedded solution that goes above and beyond, I wholeheartedly recommend considering this seller for your project. His dedication to excellence. demonstrated through his remarkable prototyping execution, is rare to find in today's fast-paced technological landscape. Communication and support were also exceptional.
Helpful?
mitcholsen
Canada
This seller was incredible! Fast response, available for questions, patient to explain steps. Project worked as expected after some tweaking, which was done very fast, without hesitation, and knew exactly what the issue might be (it was my config, not their work). I am extremely pleased with the seller...
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jjcasalo
France
Helpful?
