Top Real-Time Operating System freelancers

71 freelancers list Real-Time Operating System on Upwork.

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Showing 50 of 71Data updated Nov 7

# Freelancer		SinceMember since
Sergii P. 🇺🇦🇺🇦 Embedded Firmware Engineer \| Senior Firmware Developer \| PCB designer	$26k↑ 14%	Aug 2016Aug 24, 2016
Gokhan G. 🇹🇷🇹🇷 Embedded System Engineer	$6k↑ 14%	Mar 2021Mar 30, 2021
Dmitrii S. 🇷🇸🇷🇸 Firmware Engineer	$4k↓ 12%	Mar 2024Mar 28, 2024
4 Brian C. 🇺🇸🇺🇸 Senior Embedded Firmware Engineer	$3k↓ 18%	Nov 2025Nov 30, 2025
5 Anthony C. 🇺🇸🇺🇸 Embedded Firmware Engineer \| STM32, ESP32, Bootloaders, IoT & BLE	$3k↑ 39%	Feb 2026Feb 16, 2026
6 Shaik T. 🇮🇳🇮🇳 C++ \| Python \| MATLAB \| VLSI \| EMBEDDED \| Artificial Intelligence	$2k↓ 33%	Jul 2019Jul 22, 2019
7 Aunns S. 🇺🇸🇺🇸 Embedded Software Engineer (Hardware/Firmware)	$2k↓ 7%	Jan 2021Jan 30, 2021
8 Hosam E. 🇪🇬🇪🇬 Embedded Wireless IoT \| Bootloaders, Secure OTA & Low-Power Systems	$2k↓ 24%	Jul 2016Jul 22, 2016
9 Alexander S. 🇬🇧🇬🇧 Embedded device software development	$1k↑ 53%	Aug 2021Aug 15, 2021
10 Mieszko M. 🇵🇱🇵🇱 Zephyr RTOS and NRF expert, Principal Embedded Firmware Engineer	$1k↓ 7%	Feb 2024Feb 6, 2024

Freelancer	MRR	Member since
11 Junaid A. 🇵🇰🇵🇰 Embedded Systems \| Audio Signal Processing	$1k–	Dec 2020Dec 22, 2020
12 Nathan R. 🇺🇸🇺🇸 Sr. Software Engineer \| AI/ML & C++/C# & .NET \| Python/PHP/Go \| MERN	$890↓ 17%	Sep 2025Sep 12, 2025
13 Terence B. 🇵🇭🇵🇭 Expert Embedded Systems & IoT Architect \| Firmware Specialist	$883↓ 3%	Sep 2005Sep 6, 2005
14 Deep S. 🇮🇳🇮🇳 Full-Stack AI Product Engineer \| Flutter, SaaS & Marketplaces	$878↓ 16%	Nov 2019Nov 18, 2019
15 Jitendrakumar Z. 🇮🇳🇮🇳 Expert Firmware Developer \| PCB Designer \| IoT Expert \| Product Design	$684↓ 6%	Aug 2019Aug 22, 2019
16 Simon M. 🇨🇦🇨🇦 Experienced Electronics/Firmware Developer	$4500%	Jun 2021Jun 16, 2021
17 Hamza K. 🇵🇰🇵🇰 Electronics Hardware & PCB Design Engineer \| Hardware and Firmware	$346↓ 13%	Sep 2025Sep 25, 2025
18 Zain U. 🇩🇪Private profile: Upwork shows its earnings only to signed-in members, so we check it every few weeks, not daily. MRR here is a rough estimate (Upwork's six-month earnings ÷ months active). Last read Jul 16, 2026.🇩🇪 GenAI \| IoT \| Robotics \| Bots	≈$338–	May 2014May 4, 2014
19 Mahnoor A. 🇵🇰🇵🇰 Remote CCTV Monitoring & Footage analysing Specialist	$305↓ 1%	Jun 2025Jun 16, 2025
20 Khawaja H. 🇵🇰🇵🇰 Systems Engineer \| C++, Jetson, CUDA \| Edge AI, Linux, RTOS, Yocto, Qt	$218–	Dec 2025Dec 10, 2025

Freelancer	MRR	Member since
21 AbdelRahman Ali A. 🇪🇬🇪🇬 Embedded Linux Developer \| Yocto \| BSP \| Automotive \| C/C++ \| Python	$115↓ 6%	Jan 2024Jan 9, 2024
22 Bhavik G. 🇮🇳🇮🇳 Flutter Expert & React Native I AI Mobile App Developer	$107↓ 1%	Sep 2021Sep 23, 2021
23 Przemyslaw O. 🇨🇦🇨🇦 Senior Software Engineer	$59↓ 15%	Mar 2012Mar 14, 2012
24 Muhammad S. 🇵🇰🇵🇰 Principal Firmware Architect \| ISO/IEC Compliance Expert \| BMS IoT OTA	$44↓ 1%	Jan 2022Jan 22, 2022
25 Haider Z. 🇵🇰🇵🇰 Backend Engineer \| Python, Go, Node.js \| AI & Ad-Tech Systems	$25–	Mar 2025Mar 17, 2025
26 Muhammad Ammar Y. 🇵🇰🇵🇰 Senior Embedded Engineer \| Firmware, IoT, STM32, ESP32, Embedded Linux	$3↓ 1%	Feb 2020Feb 19, 2020
27 Dhruven D. 🇮🇳🇮🇳 Embedded Hardware design engineer	$0–	Jan 2019Jan 9, 2019
28 Ayush J. 🇮🇳🇮🇳 Scalable Embedded Firmware (MCU & Linux) \| PCB Design \| Startups & OEM	$0–	Sep 2016Sep 12, 2016
29 Abid A. 🇵🇰🇵🇰 Monitoring Agent \| Virtual Assistant	$0–	Jul 2023Jul 26, 2023
30 Sam L. 🇺🇸🇺🇸 Embedded Electronics Engineer	$0–	Dec 2023Dec 7, 2023

Freelancer	MRR	Member since
31 Junaid A. 🇳🇱🇳🇱 Senior Embedded Software Engineer \| Zephyr RTOS \| Linux Drivers \| IoT	$0–	Aug 2012Aug 1, 2012
32 Olly O. 🇺🇸🇺🇸 Embedded Firmware, Software and Hardware Developer	$0–	Oct 2018Oct 3, 2018
33 Zachary T. 🇬🇧🇬🇧 Embedded Software and Hardware Designer/Developer	$0–	Oct 2020Oct 12, 2020
34 Kamlesh K. 🇬🇧🇬🇧 Compiler Engineer	$0–	Apr 2017Apr 14, 2017
35 Anil J. 🇮🇳🇮🇳 Embedded Firmware/BSP \| Linux Device Driver \| Modern C++ Developer	$0–	Jan 2017Jan 27, 2017
36 Youcef A. 🇩🇿🇩🇿 Embedded and IoT Firmware Devloper and MERN Stack	$0–	Apr 2021Apr 20, 2021
37 Kevil P. 🇮🇳🇮🇳 Android ROM/App Developer (AOSP)/Kernel/Embedded System Software	$0–	Aug 2020Aug 28, 2020
38 Bhupinderjeet S. 🇨🇦🇨🇦 Embedded Systems \| Firmware \| IoT \| ESP32 \| STM32 \| BLE \| C \| Linux	$0–	Feb 2020Feb 26, 2020
39 Kosuri V. 🇮🇳🇮🇳 Embedded Firmware, IOT, Embedded Software, Machine Learning, 5G	$0–	Jul 2010Jul 6, 2010
40 Kacper K. 🇩🇪🇩🇪 Senior Embedded Firmware Engineer \| C/C++ \| BLE \| RTOS \| IoT	$0–	Mar 2021Mar 16, 2021

Freelancer	MRR	Member since
41 Bojan J. 🇷🇸🇷🇸 RTOS \| Rust \| Yocto \| IoT \| Embedded \| Firmware \| BLE \| ROS2 \| PCB	$0–	Feb 2015Feb 6, 2015
42 Mahmoud S. 🇪🇬🇪🇬 IoT\| PCB\| Embedded\| Arduino\| ARM\| ESP\| Firmware\| Prototyping\| Physics	$0–	Jun 2019Jun 23, 2019
43 Ashutosh N. 🇬🇧🇬🇧 Embedded Systems \| Machine Learning \| Artificial Intelligence	$0–	Dec 2015Dec 14, 2015
44 Alejandro P. 🇦🇷🇦🇷 expert embedded software developer	$0–	Aug 2014Aug 18, 2014
45 Izuka I. 🇺🇸🇺🇸 Electrical & Computer Engineer \| Software + Hardware \|	$0–	Apr 2024Apr 14, 2024
46 Dariusz F. 🇵🇱🇵🇱 Embedded systems developer	$0–	Aug 2017Aug 16, 2017
47 Hamza J. 🇵🇰🇵🇰 Embedded System \| IOT \| PCB \| LINUX	$0–	Oct 2018Oct 8, 2018
48 János S. 🇷🇴🇷🇴 Developer \| C++ \| Python \| Embedded	$0–	Sep 2021Sep 14, 2021
49 Konstantin K. 🇺🇸🇺🇸 Software Expert and Programming Manager	$0–	Jun 2020Jun 27, 2020
50 Mohamed E. 🇪🇬🇪🇬 Software developer & Electronics engineer	$0–	Aug 2016Aug 28, 2016

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