Top Zephyr freelancers

76 freelancers list Zephyr on Upwork.

Leaderboard

Showing 50 of 76Data updated Nov 7

# Freelancer		SinceMember since
Subhajit R. 🇮🇳🇮🇳 Embedded Systems Architect \| Firmware, IoT & Production Reliability	$7k↑ 6%	Jul 2021Jul 6, 2021
Nazarii T. 🇺🇦🇺🇦 ISTQB Certified Quality Assurance Engineer \| Manual Testing Expert	$4k↓ 6%	Oct 2023Oct 30, 2023
Sardar A. 🇵🇰 NewNew🇵🇰 Embedded Systems & IoT Engineer \| PCB, Firmware, BLE, Prototyping	$4k↓ 12%	May 2020May 16, 2020
4 Umar B. 🇵🇰🇵🇰 Embedded System Engineer	$3k↑ 1%	Jul 2023Jul 9, 2023
5 Ahsan A. 🇵🇰🇵🇰 Embedded Systems \| Firmware Program \| FPGA \| C, Python	$3k↑ 4%	Apr 2024Apr 29, 2024
6 Axel S. 🇨🇷🇨🇷 Senior QA Automation Engineer	$2k↑ 6%	Jan 2021Jan 15, 2021
7 Rafael G. 🇩🇴🇩🇴 Sr. QA Engineer/ QA Analyst/ QA Automation	$2k↓ 10%	Apr 2022Apr 29, 2022
8 Truong X. 🇻🇳🇻🇳 Embedded Specialist \| PCB design \| Expert in C/C++, C#, Python	$2k↓ 9%	Feb 2021Feb 16, 2021
9 Aleksei B. 🇬🇪🇬🇪 Embedded Systems Engineer \| STM32 / ESP32 / nRF52 \| PCB + Firmware	$2k↓ 1%	Jan 2016Jan 11, 2016
10 Abu T. 🇮🇳🇮🇳 Matter, Firmware, Thread, WiFi, BLE, Zigbee \| nRF, NXP, ESP32, EFR32	$2k↓ 1%	May 2022May 11, 2022

Freelancer	MRR	Member since
11 Chioma A. 🇳🇬🇳🇬 QA Engineer/ Tester with Experience in Product/ Usability Improvement.	$2k↑ 11%	Nov 2021Nov 16, 2021
12 Thao N. 🇻🇳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 Nov 5, 2026.🇻🇳 Senior Embedded Engineer, IoT, Zephyr, ESP32\|STM32\|NRF52\|NRF53\|NRF91	≈$2k–	Sep 2019Sep 29, 2019
13 Mieszko M. 🇵🇱🇵🇱 Zephyr RTOS and NRF expert, Principal Embedded Firmware Engineer	$1k↓ 7%	Feb 2024Feb 6, 2024
14 Andrii N. 🇪🇸🇪🇸 Senior Embedded Firmware Engineer	$835↓ 31%	Jun 2015Jun 24, 2015
15 Anirban R. 🇮🇳🇮🇳 Senior Embedded Systems Engineer \| ESP32, Nordic, STM32, RTOS	$831↓ 24%	Aug 2021Aug 8, 2021
16 Henok T. 🇪🇹🇪🇹 Hardware Engineer\|PCB Design\|Firmware\|CAD design\|Software Development	$651↑ 6%	May 2023May 8, 2023
17 Sergiu P. 🇲🇩🇲🇩 Embedded Software Engineer	$637↓ 26%	Oct 2022Oct 10, 2022
18 YIBIN L. 🇨🇳🇨🇳 Embedded Firmware Engineer for STM32/ESP32/nRF52 / RTOS / BLE / LoRa	$629↓ 36%	Sep 2020Sep 30, 2020
19 Nikita S. 🇷🇸🇷🇸 Embedded Engineer \| ESP32, Silicon Labs, nRF52 \| KiCad PCB + Firmware	$612↓ 2%	Feb 2025Feb 8, 2025
20 Andrii K. 🇪🇸🇪🇸 Embedded Firmware Engineer \| Senior Firmware Developer	$574↓ 23%	Mar 2021Mar 2, 2021

Freelancer	MRR	Member since
21 Kumail A. 🇵🇰 NewNew🇵🇰 Senior Embedded & IoT Systems Engineer \| Firmware & Cloud Backend	$441↓ 3%	Apr 2023Apr 18, 2023
22 Madusudan G. 🇮🇳🇮🇳 Firmware Engineer	$370↑ 27%	Dec 2016Dec 12, 2016
23 Ibrahim K. 🇵🇰 NewNew🇵🇰 Embedded Designer \| Firmware Developer \| IOT & Rapid Prototyping	$315↓ 30%	Jan 2024Jan 28, 2024
24 Akbar S. 🇵🇰🇵🇰 Prototype to Production \| Embedded System Engineer \| Zephyr, IoT & BLE	$264↓ 1%	Jul 2024Jul 18, 2024
25 Nicholas B. 🇬🇧🇬🇧 Senior Embedded & IoT Engineer \| Nordic, Zephyr, BLE/LTE-M, iOS	$178↑ 7%	Apr 2014Apr 19, 2014
26 Aung C. 🇹🇭🇹🇭 PCB Design & Embedded Firmware Engineer	$154↑ 362%	Sep 2022Sep 27, 2022
27 Safdar M. 🇵🇰🇵🇰 Embedded Software: STM32 ESP32 ESP-IDF nRF54 Zephyr Matter Buildroot	$144–	Jan 2018Jan 11, 2018
28 Grigory E. 🇸🇪🇸🇪 Embedded Engineer	$119↓ 1%	Jul 2015Jul 1, 2015
29 Kiran K. 🇮🇳🇮🇳 Embedded Systems Engineer \| Firmware, PCB Design, BLE & IoT	$105↓ 1%	Jun 2017Jun 13, 2017
30 Dilawar A. 🇵🇰🇵🇰 Embedded Firmware Developer \| IoT, ESP32, ESP-IDF, nRF, LTE, BLE, CAN	$82↓ 77%	Jul 2016Jul 30, 2016

Freelancer	MRR	Member since
31 Przemyslaw O. 🇨🇦🇨🇦 Senior Software Engineer	$59↓ 15%	Mar 2012Mar 14, 2012
32 Muhammad S. 🇵🇰🇵🇰 Principal Firmware Architect \| ISO/IEC Compliance Expert \| BMS IoT OTA	$44↓ 1%	Jan 2022Jan 22, 2022
33 Taimoor N. 🇵🇰🇵🇰 Embedded IoT Engineer \| ESP32, STM32, BLE, Raspberry Pi	$41↓ 50%	May 2015May 12, 2015
34 Demuni Anjula Ananda D. 🇱🇰🇱🇰 Embedded System Engineer	$36↓ 1%	Dec 2023Dec 3, 2023
35 Hossein K. 🇬🇷🇬🇷 Embedded Systems & IoT Developer	$30↓ 1%	Sep 2025Sep 9, 2025
36 Akif E. 🇵🇰🇵🇰 Embedded Firmware Engineer \| Linux Drivers, BSP, RTOS \| RISC-V, ARM	$28↓ 1%	Sep 2021Sep 2, 2021
37 Omer Faruk O. 🇹🇷🇹🇷 Embedded Software Engineer \| IoT Systems Specialist \| Firmware	$20↓ 70%	Feb 2023Feb 28, 2023
38 Salwa F. 🇲🇦🇲🇦 Manual QA Tester \| Web Functional Testing & Bug Reporting	$13↓ 1%	May 2016May 2, 2016
39 Anuj P. 🇮🇳🇮🇳 Embedded Firmware & IoT \| Zephyr - Nordic BLE - Low-Power - Medical	$0–	May 2019May 7, 2019
40 Junaid A. 🇳🇱🇳🇱 Senior Embedded Software Engineer \| Zephyr RTOS \| Linux Drivers \| IoT	$0–	Aug 2012Aug 1, 2012

Freelancer	MRR	Member since
41 Vatsal S. 🇮🇳🇮🇳 Embedded Product Engg \| Firmware \| Hardware \| Embedded Linux \| Yocto	$0–	Nov 2019Nov 15, 2019
42 Chany Y. 🇪🇸🇪🇸 IT Program & Project Manager \| Atlassian Certified \| Automations	$0–	Mar 2023Mar 10, 2023
43 Hasti G. 🇮🇳🇮🇳 Embedded \| AWS \| IoT \| ESP-IDF \| ESP32 \| nRF52 \| Zephyr \| Matter	$0–	Aug 2018Aug 29, 2018
44 Tran Van T. 🇻🇳🇻🇳 Senior Embedded Firmware \| BLE, Linux, Camera ISP	$0–	Aug 2021Aug 30, 2021
45 Ajith S. 🇩🇪🇩🇪 IoT \| Zephyr \| nRF52 \| nRF91 \| CAN bus \| DoIP \| UDS	$0–	Sep 2023Sep 17, 2023
46 Muhammad Abdullah J. 🇧🇪🇧🇪 Embedded System Engineer \| nRF \| RPI \| ESP32 \| STM32 \| PCB Design	$0–	Jun 2023Jun 5, 2023
47 Bryan K. 🇰🇪🇰🇪 QA Testing Manager \| QA Test Lead \| PQ Rater \| Search Engine Rater	$0–	Dec 2019Dec 21, 2019
48 Victor G. 🇬🇪🇬🇪 Real-time Audio & Streaming Engineer \| Networking, Drivers, Embedded	$0–	Jun 2019Jun 5, 2019
49 Mikalaj M. 🇺🇸🇺🇸 Embedded Firmware & IoT Hardware \| Zephyr, Embedded Linux, PCB Desig	$0–	Jul 2019Jul 12, 2019
50 Junaid Z. 🇵🇰🇵🇰 Expert Software QA Engineer \| End-to-End Testing, Automation & Quality	$0–	Mar 2019Mar 8, 2019

From public Upwork profiles, refreshed daily.