Top Application Security freelancers

251 freelancers list Application Security on Upwork.

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Showing 50 of 251Data updated Nov 7

# Freelancer		SinceMember since
Andrew C. 🇺🇸🇺🇸 AI Workflow Automation \| Lovable, Supabase, n8n \| I Secure AI Apps	$11k↑ 50%	Feb 2016Feb 27, 2016
Keith M. 🇺🇸🇺🇸 Fractional CISO (vCISO) \| Cybersecurity Assessments \| AI Security	$10k↑ 1%	Aug 2021Aug 7, 2021
Abdullah A. 🇵🇰🇵🇰 No-Code App Auditor \| Bubble & Replit Takeover \| Security + AI	$8k↓ 1%	Jan 2014Jan 9, 2014
4 Muzammil M. 🇵🇰🇵🇰 AI Agent Developer \| Agentic AI Engineer \| AI Integration, Claude, MCP	$8k↓ 11%	Sep 2018Sep 4, 2018
5 Viktor S. 🇵🇹🇵🇹 Penetration Tester \| Cybersecurity Expert \| Ethical Hacker \|	$7k↓ 8%	Jun 2024Jun 27, 2024
6 Scott A. 🇺🇸🇺🇸 Information Security Officer, AI-Cyber Specialist, & Technical Writer	$7k↓ 2%	Jan 2010Jan 30, 2010
7 Mohammed J. 🇵🇸🇵🇸 Penetration Tester \| Application Security Expert \| Ethical Hacker	$7k↑ 11%	Apr 2023Apr 11, 2023
8 Hidden freelancer🇦🇱 Private profile	$6k–	–
9 Umair R. 🇵🇰🇵🇰 Full Stack Developer \| Flutter \| Firebase \| Google API's \| C# \| Dotnet	$5k↑ 3%	Feb 2025Feb 13, 2025
10 Anca M. 🇷🇴🇷🇴 Full-Stack AI Developer \| React, Python, FastAPI & API Integrations	$5k0%	Oct 2025Oct 9, 2025

Freelancer	MRR	Member since
11 Mahesh T. 🇮🇳🇮🇳 Cybersecurity Architect \| AWS & Azure Security \| Penetration Testing	$4k↓ 1%	Apr 2018Apr 20, 2018
12 Aamir T. 🇺🇸🇺🇸 Cybersecurity & Information Security Expert \| GRC \| Cloud Security	$4k↓ 9%	Jan 2024Jan 1, 2024
13 Brandon E. 🇺🇸🇺🇸 Security Manager \| Hands-On Leadership \| SIEM \| AppSec \| Risk & Compli	$4k↑ 15%	Feb 2017Feb 14, 2017
14 Sankhadeep S. 🇮🇳🇮🇳 AI Full-Stack Developer \| SaaS, MVP & AI App Development	$3k↓ 14%	Mar 2020Mar 22, 2020
15 Najam U. 🇵🇰🇵🇰 Penetration Tester \| Cloud, Web, API & Network Security \| vCISO	$3k↑ 46%	Aug 2017Aug 17, 2017
16 Aakash G. 🇮🇳🇮🇳 Full Stack Developer \| Mobile App Developer \| Lovable.dev \| Supabase	$3k↑ 12%	Dec 2024Dec 23, 2024
17 Thomas W. 🇺🇸🇺🇸 Fractional/Virtual CISO: Cybersecurity GRC Compliance, SOC 2 Readiness	$3k↑ 1%	Apr 2018Apr 16, 2018
18 Vong C. 🇺🇸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.🇺🇸 Cybersecurity & IT Systems Consultant for SMBs	≈$3k–	Jun 2021Jun 18, 2021
19 Mansoor A. 🇵🇰🇵🇰 Web App & Network Penetration Tester \| OSCP \| API Security \| AppSec	$3k↑ 1%	Jul 2020Jul 2, 2020
20 Vasyl D. 🇺🇦🇺🇦 Senior Application Security Engineer \| Cloud & AI Security Specialist	$3k↑ 3%	Mar 2018Mar 1, 2018

Freelancer	MRR	Member since
21 Vikas G. 🇮🇳🇮🇳 Top-Rated Penetration Tester \| Web, API & AI Security	$2k↑ 17%	Jun 2018Jun 20, 2018
22 Robert S. 🇺🇸🇺🇸 Cybersecurity Consultant \| CCISO, CISM, CISSP \| 15+ Years Exp.	$2k↑ 3%	Feb 2024Feb 26, 2024
23 Oleksandr F. 🇺🇦🇺🇦 Cybersecurity Engineer Penetration Tester Cloud Security ISO27001	$2k0%	Dec 2020Dec 15, 2020
24 Hassan S. 🇵🇰🇵🇰 OSCP Penetration Tester \| Web & API Pentest \| VAPT \| SOC 2 & PCI DSS	$2k↑ 19%	Mar 2026Mar 15, 2026
25 Yafet Z. 🇪🇹🇪🇹 Full-Stack Developer \| Next.js, Supabase, Convex, Node.js & Java	$2k–	Aug 2024Aug 19, 2024
26 Abhay M. 🇮🇳🇮🇳 Full-Stack AI Engineer \| AI Agents, RAG \| Claude Code, Next.js, Python	$2k↓ 28%	Jun 2021Jun 16, 2021
27 Mostafa M. 🇪🇬 NewNew🇪🇬 Information Security \| Bug Bounty, Penetration Testing	$2k–	Oct 2026Oct 22, 2026
28 Volodymyr Z. 🇬🇧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.🇬🇧 Application Security / Penetration Testing	≈$2k–	Sep 2014Sep 18, 2014
29 Christian C. 🇳🇬🇳🇬 Next.js + Supabase Developer for App Audit & Secure Launch	$1k↑ 7%	Sep 2017Sep 1, 2017
30 Jeffery Baafi K. 🇬🇭🇬🇭 Cloud & Security Engineer \| Python Backend, AI Agents & AWS DevOps	$1k↑ 3%	Feb 2019Feb 4, 2019

Freelancer	MRR	Member since
31 Noah L. 🇳🇬🇳🇬 Full-Stack Engineer \| Next.js, Node.js, Supabase \| Fix AI-Built Apps	$1k↓ 2%	Dec 2022Dec 7, 2022
32 Angu H. 🇮🇳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 Oct 26, 2026.🇮🇳 OSCP Penetration Tester \| Web, Mobile, API & Cloud Security \| VAPT	≈$1k–	Sep 2021Sep 14, 2021
33 Zaeem A. 🇵🇰🇵🇰 Penetration Tester \|vCISO \| SOC 2 \| ISO 27001\| Vanta \| Drata \| OSCP	$1k↑ 18%	Jan 2025Jan 25, 2025
34 Jordan C. 🇺🇸 NewNew🇺🇸 Full-Stack Developer \| Next.js, Supabase & AI Automation	$1k–	Feb 2026Feb 16, 2026
35 Michael B. 🇩🇪 NewNew🇩🇪 iOS & Android App Developer \| React Native, Expo, Supabase & Security	$1k↑ 91%	Sep 2026Sep 17, 2026
36 GM Salman A M. 🇧🇩🇧🇩 Penetration Tester \| Ethical Hacker \| Cybersecurity \| OSCP+ CEH	$897↑ 3%	Apr 2023Apr 12, 2023
37 Lucas M. 🇧🇷🇧🇷 Senior Solution Architect \| Secure Web & Mobile Developer \| ISO 27001	$734↑ 8%	Dec 2025Dec 2, 2025
38 Muhammad K. 🇵🇰🇵🇰 Emergency Malware Removal \|Migration\|SSL\|DNS\|Speed\|COMPLIANCE	$685↓ 14%	Apr 2013Apr 8, 2013
39 Natnael K. 🇪🇹 NewNew🇪🇹 Full Stack Engineer \| React \| Saas Expert \| NestJS \| AI Integration	$675–	Nov 2022Nov 15, 2022
40 Malkhaz Z. 🇬🇪🇬🇪 OSEP Penetration Tester \| Red Team & AI/LLM Security \| AZ-500	$657↓ 11%	Feb 2023Feb 17, 2023

Freelancer	MRR	Member since
41 Anjar Feri s. 🇮🇩🇮🇩 Backend Developer \| Application Security & AI Integration	$651↓ 1%	Apr 2018Apr 23, 2018
42 Sareer A. 🇩🇪🇩🇪 Senior Penetration Tester \| OSCP \| Web, API & Network Pentest	$630↑ 936%	Jun 2025Jun 16, 2025
43 Marc W. 🇺🇸🇺🇸 Certified AWS Solutions Architect/Security & Cloud Expert	$590↑ 9%	Sep 2015Sep 12, 2015
44 Nahid H. 🇧🇩🇧🇩 Cyber Security \| AWS Cloud \| VAPT \| eCommerce Solution \| ISO 27001	$568↑ 3%	Oct 2015Oct 4, 2015
45 Jennifer F. 🇵🇭🇵🇭 IT Helpdesk / Technical Support \| L1-L2 \|Incident Management\|AWS/Azure	$556↑ 3%	Feb 2023Feb 3, 2023
46 Mahesh K. 🇮🇳🇮🇳 Penetration testing \| DevOps \| Kubernetes \| AWS \| Cyber Security \|	$546↓ 5%	Dec 2013Dec 28, 2013
47 Carlos G. 🇵🇪🇵🇪 Information Security, Cybersecurity & Ethical Hacker Consultant	$527↓ 6%	Jul 2021Jul 12, 2021
48 Ravish V. 🇮🇳🇮🇳 Python Backend Engineer \| Secure APIs, Auth & Access Control	$518↓ 16%	Jul 2023Jul 3, 2023
49 Jon S. 🇺🇸🇺🇸 Cloudflare Setup & Security Expert \| WAF, Bots, DNS & SSL	$516↑ 17%	Feb 2020Feb 23, 2020
50 Collins M. 🇰🇪🇰🇪 Cybersecurity Engineer & Technical Writer \| SIEM, SOC & Security Docs	$503↑ 2%	Apr 2015Apr 10, 2015

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