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Top TCP/IP freelancers

148 freelancers list TCP/IP on Upwork.

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Showing 50 of 148Data updated Nov 7

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Freelancer
Since
1
Aleksandr S.
Top Rated Plus
Aleksandr S. 🇦🇲

Expert C++ Engineer | Multithreading, Cybersecurity, High-Performance

$29k0%Nov 2014
2
Volodymyr T.
Top Rated Plus
Volodymyr T. 🇺🇦

Cross-Platform Software Architect

$26k↓ 5%Nov 2006
3
William  G.
Top Rated Plus
William  G. 🇺🇸

Embedded Systems & IoT | PCB Design, Firmware & Apps

$17k↑ 11%Feb 2026
4
Mihai M.
Top Rated Plus
Mihai M. 🇷🇴

Senior Software Engineer | Qt C++ Desktop, Embedded, Web & Mobile

$10k↑ 21%Jan 2012
5
David C.
Top Rated Plus
David C. 🇺🇸

Wordpress WooComm, Web Design, Divi, Elementor, AI Workflow Expert

$9k↑ 1%Feb 2016
6
Zeshan A.
Top Rated Plus
Zeshan A. 🇵🇰

Device Integration Developer | C#/.NET, APIs | Serial, USB, TCP/IP

$8k↑ 3%May 2010
7
Dmitrii S.
Dmitrii S. 🇷🇸

Firmware Engineer

$4k↓ 12%Mar 2024
8
Emin H.
Rising Talent
Emin H. 🇦🇲 New

Network & Security Engineer | FortiGate, MikroTik, UniFi

$3k↓ 15%Mar 2026
9
Darwin M.
Top Rated Plus
Darwin M. 🇵🇭

MSP Support Engineer | IT Support | Office 365 Admin

$3k↑ 3%Jan 2018
10
Ravi H.
Top Rated
Ravi H. 🇮🇳

IoT Solution Architect | Industrial IoT(IIoT)|ThingsBoard| AIoT| AWS

$2k↑ 30%Apr 2020
FreelancerMRRMember since
11
Yury Z.
Top Rated Plus
Yury Z. 🇺🇿

Full stack Python, Javascript, C++, Golang, PHP, Perl

$2k↑ 1%Feb 2023
12
Dean C.
Rising Talent
Dean C. 🇵🇭

NOC Engineer

$2k↑ 6%Jan 2022
13
Omer Faruk E.
Top Rated Plus
Omer Faruk E. 🇹🇷

PCB Design Engineer, Professional Hardware Designer, Altium Educater

$2k↓ 8%Jun 2023
14
Aleksei B.
Top Rated Plus
Aleksei B. 🇬🇪

Embedded Systems Engineer | STM32 / ESP32 / nRF52 | PCB + Firmware

$2k↓ 1%Jan 2016
15
Benjamin L.
Rising Talent
Benjamin L. 🇺🇸

Experienced Customer service and IT Help Desk Professional

$2k↓ 14%Dec 2024
16
Asier B.
Top Rated
Asier B. 🇪🇸

Real-time Embedded Firmware | Full-Stack Web | Desktop App

$2k↑ 27%Jan 2026
17
Hoang Phuc L.
Top Rated Plus
Hoang Phuc L. 🇻🇳

C/C++ Senior | IoT Architect

$2k↓ 15%Oct 2022
18
Kannan B.
Top Rated Plus
Kannan B. 🇮🇳

Expert: Exchange Server, Microsoft 365 and Azure

$1k↑ 15%Nov 2012
19
Davor S.
Top Rated Plus
Davor S. 🇭🇷

Android native Java/Kotlin/C++/NDK/JNI programmer

$1k↑ 8%May 2015
20
Neil John R.
Top Rated Plus
Neil John R. 🇵🇭

Senior Video Editor | UGC Ads, VSLs & Performance Marketing

$1k↑ 27%May 2024
FreelancerMRRMember since
21
Kyle Jerome J.
Kyle Jerome J. 🇵🇭 New

Network Engineer | ISP | BGP | MPLS | MikroTik | Cisco | AWS | Huawei

$1k↑ 132%Jan 2026
22
Sergey L.
Top Rated Plus
Sergey L. 🇺🇦

Software developer

$1k↑ 11%Aug 2013
23
Marty L.
Top Rated Plus
Marty L. 🇺🇸

Expert in GNU/Linux/Opensource/Embedded software

$1k↓ 9%Nov 2007
24
Molefi M.
Molefi M. 🇱🇸

IT Support & Identity Access IAM | Microsoft 365 | Azure AD | AWS IAM

$1k↓ 12%Jun 2017
25
Alson F.
Top Rated
Alson F. 🇵🇭

Microsoft Certified Solutions Associate 2012 , MCSA 2003 , MCP ,MCTS

$1k↑ 3%May 2010
26
Vladyslav P.
Top Rated Plus
Vladyslav P. 🇸🇮

Linux System Administrator

$9660%Jun 2014
27
Movses M.
Top Rated
Movses M. 🇦🇲

Software Engineer | C++ | Python | AI | Cross-Platform

$812↓ 10%Jul 2016
28
Michael N.
Top Rated
Michael N. 🇩🇪

IT Infrastructure Expert|ISC2|Cisco CCDE|AWS|Fortinet|CCNP|ITIL

$801↑ 21%Dec 2021
29
David Z.
Top Rated Plus
David Z. 🇺🇸

Technical Writer

$781↑ 27%Aug 2016
30
Chandra Prakash B.
Top Rated
Chandra Prakash B. 🇳🇵

Lab Instrument Interfacing Specialist | HL7, ASTM, LIS & Lab Analyzers

≈$776–Jan 2022
FreelancerMRRMember since
31
Sadaf A.
Top Rated
Sadaf A. 🇵🇰

SW Developer|.NET|Blazor|C#,C++|DevExp|Image Processing|Analyst|Audio

$645↓ 58%Oct 2015
32
Yasuhiro O.
Rising Talent
Yasuhiro O. 🇯🇵 New

Embedded Systems Specialist | Linux Drivers, GUI & FPGA Integration

$538↓ 30%Apr 2026
33
Aadil Jaleel C.
Top Rated
Aadil Jaleel C. 🇵🇰

AI/ML, LLMs, CV, Agentic AI | Qt C++ on Embedded Linux, Nvidia Jetson

$462↓ 19%Nov 2014
34
Kamil S.
Rising Talent
Kamil S. 🇵🇱 New

Top A+ Asterisk | FreePBX | Twilio | VICIDial | Bulk SMS | 3CX | VoIP

≈$439–Jun 2026
35
Arsen P.
Top Rated
Arsen P. 🇺🇦

Senior Software Engineer | C/C++/Python

$378↓ 1%Apr 2021
36
Andrey I.
Top Rated Plus
Andrey I. 🇷🇸

Senior Backend and Data Engineer.

$348↓ 58%Dec 2023
37
Milind M.
Milind M. 🇮🇳

AI Systems Engineer | Voice AI | LLM Integration | AWS Serverless

$340↓ 1%Feb 2022
38
Joyanta D.
Joyanta D. 🇫🇮 New

IT Systems & MDM Administrator | Microsoft 365, Intune, Hexnode, Linux

$332–Oct 2020
39
Navya N.
Navya N. 🇺🇸 New

Automation Engineer

$324↓ 31%Jul 2026
40
Md Probal R.
Top Rated
Md Probal R. 🇧🇩

Email Deliverability & IP/Domain Expert | Agentic AI & Automation

≈$300–Dec 2011
FreelancerMRRMember since
41
Lou W.
Lou W. 🇺🇸 New

Network Engineer | 25+ Yrs Enterprise Routing & Core Network Services

$273↓ 24%Jun 2026
42
Musheer Mansour Abdul Kareem  M.
Top Rated
Musheer Mansour Abdul Kareem  M. 🇾🇪 New

Network Engineer | GPON, MikroTik, Linux, DNS & Hosting

$261↓ 8%May 2026
43
Daryl Ace B.
Top Rated
Daryl Ace B. 🇵🇭

CSR / Appointment Setting / Lead Generator / CCTV Monitoring

$230↑ 8%Aug 2019
44
Habib A.
Habib A. 🇵🇰

Linux Security Engineer | Server Hardening | Docker | CI/CD | Cloud

$217↑ 16%Mar 2024
45
Sanjiv J.
Top Rated Plus
Sanjiv J. 🇮🇳

Senior Trading Applications Software Developer

$177↓ 1%Dec 2016
46
Muhammad J.
Rising Talent
Muhammad J. 🇵🇰

Mobile Developer | Fintech & POS Payment Systems | Kotlin Expert

$165↓ 1%Feb 2018
47
Hiren J.
Hiren J. 🇮🇳

Sr. Full-Stack .NET Developer | C#, .NET Core, ASP.NET MVC

$146↓ 1%Feb 2017
48
Aleksandr S.
Top Rated
Aleksandr S. 🇺🇦

Senior DevOps Specialist | Certified AWS Expert | CI/CD | Sharetribe

$82↓ 1%Feb 2024
49
Guanhuang L.
Guanhuang L. 🇨🇳

c++/c#/python/web development engineer

$69↑ 208%Dec 2017
50
Daniel W.
Top Rated
Daniel W. 🇨🇼

Experienced Senior electronics/software engineer

$68↓ 27%Oct 2019
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