Top GSM freelancers

25 freelancers list GSM on Upwork.

Leaderboard

Showing 25 of 25Data updated Nov 7

# Freelancer		SinceMember since
Igor K. 🇨🇦 NewNew🇨🇦 Senior Software Engineer \| NetSuite, SQL/ETL, Delphi & JavaCard	$4k↑ 109%	Feb 2021Feb 15, 2021
Asif K. 🇦🇹🇦🇹 Expert Telecom Engineer\|2g, 3g, LTE, 5G Network Designing	$2k↑ 1%	Apr 2016Apr 7, 2016
Muhammad A. 🇵🇰🇵🇰 Embedded Systems Engineer \| IoT Devices, Firmware and PCB Design	$2k↓ 26%	Oct 2020Oct 2, 2020
4 Ghanshyam D. 🇮🇳🇮🇳 Expert PCB Designer	$2k–	Dec 2014Dec 5, 2014
5 Rakesh M. 🇮🇳 NewNew🇮🇳 Senior 5G NR / 4G LTE Protocol Test Engineer \| QXDM, UE & Cloud RAN	$1k–	Sep 2026Sep 22, 2026
6 TUAN H. 🇻🇳🇻🇳 Embedded engineer	$767↑ 2%	Aug 2017Aug 2, 2017
7 THANH TUNG 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.🇻🇳 System Design \|Schematic Design\|PCB layout & Mechanical Design	≈$715–	Dec 2016Dec 13, 2016
8 Jitendrakumar Z. 🇮🇳🇮🇳 Expert Firmware Developer \| PCB Designer \| IoT Expert \| Product Design	$684↓ 6%	Aug 2019Aug 22, 2019
9 Sadaf A. 🇵🇰🇵🇰 SW Developer\|.NET\|Blazor\|C#,C++\|DevExp\|Image Processing\|Analyst\|Audio	$645↓ 58%	Oct 2015Oct 19, 2015
10 Abdul M. 🇵🇰 NewNew🇵🇰 Embedded Systems & PCB Designer for STM32, ESP32, nRF, Arduino, GPS	$454↑ 1%	Jun 2026Jun 8, 2026

Freelancer	MRR	Member since
11 Shadab R. 🇵🇰🇵🇰 IoT Systems Engineer \| ESP32, STM32, PCB Design & Wireless Protocols	$186↓ 1%	Jul 2025Jul 30, 2025
12 Haris R. 🇵🇰🇵🇰 Building Scalable Mobile, IoT, Embedded, and AI Automation Solutions.	$165↓ 1%	Oct 2018Oct 25, 2018
13 Martin Rodgers A. 🇰🇪🇰🇪 Senior ISO Management Systems & Compliance Expert & Lead Auditor	$148↓ 34%	Dec 2021Dec 11, 2021
14 Grigory E. 🇸🇪🇸🇪 Embedded Engineer	$119↓ 1%	Jul 2015Jul 1, 2015
15 untung u. 🇮🇩🇮🇩 Expert in PCB designer and Hardware Designer	$96↑ 28%	Jul 2011Jul 19, 2011
16 Ashish T. 🇮🇳🇮🇳 Electronics \| Hardware \| PCB Design \| ECAD Librarian	$86↓ 3%	Mar 2018Mar 22, 2018
17 Dilawar A. 🇵🇰🇵🇰 Embedded Firmware Developer \| IoT, ESP32, ESP-IDF, nRF, LTE, BLE, CAN	$82↓ 77%	Jul 2016Jul 30, 2016
18 Omprakash P. 🇮🇳🇮🇳 Robotics & Embedded Systems Expert \| Autonomous Systems Architect	$0–	Aug 2016Aug 17, 2016
19 Sebastian D. 🇦🇷🇦🇷 Account Manager \| Partnerships, Sales & Customer Service Manager	$0–	Oct 2017Oct 18, 2017
20 Mikalaj M. 🇺🇸🇺🇸 Embedded Firmware & IoT Hardware \| Zephyr, Embedded Linux, PCB Desig	$0–	Jul 2019Jul 12, 2019

Freelancer	MRR	Member since
21 Muneeb A. 🇵🇰🇵🇰 Electrical Engineer \| Embedded Software \| IC Design	$0–	May 2022May 20, 2022
22 Paulo B. 🇵🇹🇵🇹 Data Science and Software Development with Python	$0–	Oct 2020Oct 26, 2020
23 Oguz Kagan Y. 🇹🇷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.🇹🇷 Embedded Software Engineer \| IoT & RTOS Expert \| Firmware Developer	≈$0–	Mar 2025Mar 26, 2025
24 DINESH KUMAR B. 🇮🇳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.🇮🇳 Embedded System Developer	≈$0–	Sep 2019Sep 22, 2019
25 Muhammad S. 🇳🇬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.🇳🇬 Embedded Systems Engineer	≈$0–	Jun 2020Jun 1, 2020

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