Top Open Source freelancers

125 freelancers list Open Source on Upwork.

Leaderboard

Showing 50 of 125Data updated Nov 7

# Freelancer		SinceMember since
Sanjay S. 🇺🇸🇺🇸 Software Development	$8k↓ 16%	Jul 2015Jul 9, 2015
Alfred T. 🇪🇸🇪🇸 Senior 3D Generalist \| 3D Animation \| Houdini FX	$4k↓ 18%	Feb 2013Feb 19, 2013
Edward D. 🇬🇧🇬🇧 Senior journalist, editor and social media expert + PR consultant	$3k↑ 15%	Jan 2026Jan 5, 2026
4 Bren M. 🇨🇦🇨🇦 Mechanical Engineer, specializing in design for 3D printing	$3k↑ 9%	Jun 2018Jun 16, 2018
5 Sanya M. 🇮🇳🇮🇳 Odoo ERP Expert \| Implementation, Customization & Integration	$3k↑ 3%	Apr 2025Apr 18, 2025
6 Cecilia I. 🇦🇷🇦🇷 Legal - Admin Assistant/ Research/ Data Entry/ Transcription	$2k↑ 2%	Aug 2016Aug 17, 2016
7 Daniel T. 🇩🇪🇩🇪 OSINT Investigator \| Background Research, Due Diligence & KYB	$2k↑ 8%	Jan 2026Jan 3, 2026
8 Anandan G. 🇮🇳🇮🇳 Full stack developer-React, Nodejs, Laravel, Shopify, WP, PHP, Stripe	$2k↑ 15%	Oct 2007Oct 26, 2007
9 Rachelle D. 🇺🇸🇺🇸 Licensed Private Investigator \| Litigation Support \| Legal Research	$2k↑ 24%	Jan 2025Jan 14, 2025
10 Natalie S. 🇺🇸🇺🇸 Top-performing Investigative Journalist, OSINT Researcher & Writer	$1k↑ 2%	Feb 2019Feb 6, 2019

Freelancer	MRR	Member since
11 Michal W. 🇵🇱🇵🇱 QA Testing \| Data Annotation	$1k↑ 1%	Nov 2025Nov 20, 2025
12 Antoine T. 🇫🇷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.🇫🇷 Former Gov. Analyst \| Institutional Strategy & Finance Advisor	≈$1k–	Dec 2025Dec 30, 2025
13 Hardik P. 🇮🇳🇮🇳 Full Stack .NET Architect \| AI Automation \| SaaS & Business Systems	$1k↑ 30%	May 2017May 29, 2017
14 Jarold 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.🇸🇬 Cyber Intelligence	≈$1k–	Mar 2016Mar 5, 2016
15 Santiago V. 🇪🇸🇪🇸 Social Media Manager \| Anti-Piracy Specialist	$1k↓ 5%	Feb 2026Feb 7, 2026
16 Abhijit D. 🇧🇩🇧🇩 OSINT Expert,Cyber Security Specialist and Ethical Hacker	$1k↓ 17%	Aug 2023Aug 25, 2023
17 Mohamed G. 🇪🇬🇪🇬 Backend Engineer	$939↑ 17%	Dec 2022Dec 12, 2022
18 Richa S. 🇮🇳🇮🇳 Odoo Developer \| ERP Implementation, Customization & Automation	$872↓ 25%	Nov 2025Nov 21, 2025
19 Feranmi A. 🇳🇬 NewNew🇳🇬 GitHub Repo Promotion & Developer Outreach for Open-Source Projects	$779↑ 112%	Apr 2026Apr 15, 2026
20 Henry B. 🇧🇷🇧🇷 Technology, Engineering, Project Management and Process Management	$749↑ 12%	Oct 2022Oct 27, 2022

Freelancer	MRR	Member since
21 Wajid H. 🇺🇸🇺🇸 Cybersecurity Architect \| Network Security \| Cloud Security	$646↑ 330%	Jul 2024Jul 11, 2024
22 Alvin A. 🇵🇭🇵🇭 VA \| Data Entry \| Social Media Support \| Product Research	$497↑ 2%	Jan 2023Jan 7, 2023
23 Abdul Wahab B. 🇺🇸🇺🇸 Ph.D. in Electrical Engineering with expertise in E-Machine Design	$412↓ 1%	Jul 2022Jul 5, 2022
24 Mayank S. 🇮🇳🇮🇳 20+ Year Tech Author: Complex Tech Made Simple	$403↓ 18%	Oct 2025Oct 7, 2025
25 Sunita D. 🇮🇳🇮🇳 Full Stack Developer \| OpenSource \| SaaS \| CRM\|MERN	$383↑ 46%	Nov 2024Nov 21, 2024
26 Muhammad Zain A. 🇵🇰🇵🇰 Odoo ERP Consultation \| Development \| Implementation \| Support	$330↓ 1%	Jan 2024Jan 23, 2024
27 Hasmik B. 🇺🇸 NewNew🇺🇸 Political Risk Analyst \| OSINT Researcher	$246↑ 3%	May 2026May 5, 2026
28 Emilija M. 🇷🇸🇷🇸 Research Analyst \| Due Diligence \| OSINT \| Market Research (DACH)	$197↑ 11%	Nov 2023Nov 17, 2023
29 Tom R. 🇬🇧🇬🇧 Investigative Journalism, Research, & Public Relations	$181↓ 39%	Jun 2023Jun 8, 2023
30 Pavan B. 🇮🇳🇮🇳 Embedded Systems \| Vision \| Kernel \| Video Codecs \| 5G \| AI \| Security	$167↓ 8%	Nov 2023Nov 26, 2023

Freelancer	MRR	Member since
31 Hassan H. 🇵🇰🇵🇰 UAV / Drone Engineer, Aerial Robotics (ROS1, ROS2), Ardupilot, PX4	$165↓ 1%	Jul 2022Jul 30, 2022
32 Abdul A. 🇵🇰🇵🇰 UAV & Robotics Engineer\| PX4, ArduPilot, ROS2, Computer Vision, ML	$161↓ 6%	Oct 2022Oct 26, 2022
33 India L. 🇺🇸🇺🇸 [ Researcher / Ghostwriter / Proofreader / ESL / ELA / TOEFL ]	$148↑ 56%	Sep 2018Sep 8, 2018
34 Yuvraj Angad S. 🇮🇳🇮🇳 AI Engineer \| LLM apps, RAG, evals \| TypeScript, Python \| 20+ OSS PRs	$142↓ 1%	Jun 2021Jun 22, 2021
35 Sara A. 🇺🇸🇺🇸 OSINT \| Threat Intelligence \| Digital Risk Consultant	$134↑ 9%	Jul 2025Jul 30, 2025
36 Naveen Shankar S. 🇮🇳🇮🇳 End-to-End Sourcing & Manufacturing Partner in India \|15+ Years Exp.	$118↓ 19%	Sep 2013Sep 19, 2013
37 Md Tareq H. 🇧🇩🇧🇩 Cyber Security Specialist \| Penetration Tester \| Security Researcher	$114↓ 1%	Apr 2022Apr 26, 2022
38 Edgar Andres M. 🇨🇴🇨🇴 Senior Python/C/CUDA Open Source Software Developer	$82↓ 45%	Aug 2025Aug 13, 2025
39 David R. 🇨🇴🇨🇴 n8n Automation Expert \| AI Agents (Claude, OpenAI) \| GoHighLevel CRM	$68↓ 30%	Oct 2025Oct 24, 2025
40 Meeshal K. 🇮🇳🇮🇳 Senior Full Stack Developer - Laravel Symfony NodeJs React Vue NextJs	$57↓ 1%	Dec 2020Dec 7, 2020

Freelancer	MRR	Member since
41 MUHAMMAD R. 🇧🇩🇧🇩 OSINT \| Private Investigator \| Market Research Expert	$37–	Aug 2021Aug 6, 2021
42 Hafsa Z. 🇵🇰🇵🇰 Research Analyst \| Market Research, OSINT & Competitive Intelligence	$29↓ 1%	Apr 2023Apr 6, 2023
43 Khusham A. 🇵🇰🇵🇰 Android Reverse Engineer \| Mobile Security \| Frida \| Jadx \| IOS	$29–	Jul 2025Jul 26, 2025
44 MD H. 🇧🇩🇧🇩 Background Check \| OSINT Expert \| Private Investigator \| skip Tracing	$16↓ 1%	Aug 2023Aug 10, 2023
45 Matthew A. 🇺🇸🇺🇸 Senior Software Engineer / Technical Lead (20 Years at Google)	$9↓ 1%	Jun 2024Jun 23, 2024
46 Serhii B. 🇺🇦🇺🇦 Front-End — Calculator, Configurator, Form, Integration, Automation 🥇	$3↓ 55%	Jun 2022Jun 28, 2022
47 Suresh R. 🇮🇳🇮🇳 IT Architect - Azure, Terraform, Ansible, VMware, HyperV, KVM, Xen	$0–	May 2020May 7, 2020
48 Rhenan A. 🇧🇷🇧🇷 Growth Ads & AI Specialist	$0–	Feb 2025Feb 12, 2025
49 Muhammad Arslan L. 🇵🇰🇵🇰 Senior Full Stack Developer ( MERN \| Django \| Next.js \| Angular )	$0–	Feb 2024Feb 13, 2024
50 Sajiya S. 🇮🇳🇮🇳 DevOps Engineer \| DevOps Coach	$0–	Aug 2022Aug 24, 2022

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