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Freelance Web App Penetration Testing Jobs (NOW HIRING)

Navstar, Inc.

Penetration Tester, Senior

Annapolis, MD · On-site

  • Medical

  • Life

  • Retirement

  • PTO

Perform web app pentests. * Perform vulnerability risk assessments. * Perform physical pentests and ... Must have experience with penetration testing tools. * Must have experience in web development and ...

Ampcus Inc

Web Application Penetration Testing

We are seeking an experienced and results-driven Penetration Tester to perform comprehensive web application security assessments. The role involves conducting penetration tests, evaluating security ...

Koniag, Inc.

Penetration Testing Lead

Oklahoma City, OK · On-site

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

GIAC Web Application Penetration Tester (GWAPT) * GIAC Exploit Researcher and Advanced Penetration Tester (GXPN) * GIAC Assessing and Auditing Wireless Networks (GAWN) Blue Teaming Certifications:

kgs

Penetration Testing Lead

Leesburg, VA · On-site

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

GIAC Web Application Penetration Tester (GWAPT) * GIAC Exploit Researcher and Advanced Penetration Tester (GXPN) * GIAC Assessing and Auditing Wireless Networks (GAWN) Blue Teaming Certifications:

kgs

Penetration Testing Lead

Atlantic City, NJ

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

GIAC Web Application Penetration Tester (GWAPT) * GIAC Exploit Researcher and Advanced Penetration Tester (GXPN) * GIAC Assessing and Auditing Wireless Networks (GAWN) Blue Teaming Certifications:

Quantix

Application Security Tester

Englewood, CO

Qualifications Required Skills: 1) Application security testing. 2) Penetration testing (against applications). 3) Experience with application testing tools (examples are Qualys Web App Security ...

Gemini

Penetration Tester

Charlotte, NC

... penetration testing tools Demonstrated experience with creating and communication of reports regarding web application vulnerabilities to various level of personnel within a large organization.

Jobtailor

Senior Penetration Tester

Herndon, VA · On-site

$120 - $150/hr

* Perform penetration testing on networks, applications (including APIs, mobile apps, and web apps) * Utilize social engineering techniques * Provide mentoring to junior staff * Support Red Team ...

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Freelance Web App Penetration Testing information

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How much do freelance web app penetration testing jobs pay per hour?

As of Aug 16, 2026, the average hourly pay for freelance web app penetration testing in the United States is $34.86, according to ZipRecruiter salary data. Most workers in this role earn between $28.85 and $40.87 per hour, depending on experience, location, and employer.

What is freelance web app penetration testing?

Freelance web app penetration testing is the process where independent security professionals are hired to assess the security of web applications. These testers simulate cyberattacks to identify vulnerabilities in a web app's code, configuration, and deployment. Their findings help organizations fix security issues before attackers can exploit them. Freelancers typically work on a project-by-project basis and may serve clients ranging from startups to large enterprises.

What are the key skills and qualifications needed to thrive as a freelance web app penetration tester?

To thrive as a Freelance Web App Penetration Tester, you need a strong understanding of web application security, vulnerability assessment, and common attack vectors, often supported by certifications like OSCP or CEH. Proficiency with tools such as Burp Suite, OWASP ZAP, and scripting languages (e.g., Python) is typically required. Excellent analytical thinking, problem-solving skills, and clear client communication set top testers apart. These skills and qualifications are vital to accurately identify threats, deliver actionable reports, and maintain client trust in a constantly evolving security landscape.

What are some common challenges freelance web app penetration testers face when working with clients remotely?

Freelance web app penetration testers often encounter challenges such as limited access to in-depth application documentation, coordinating testing schedules across different time zones, and ensuring clear communication about testing scope and reporting expectations. Building trust with new clients can also be tricky, especially when handling sensitive data or recommending remediation steps. Successful testers proactively address these issues by setting clear agreements, using secure communication tools, and providing concise, actionable reports that demonstrate professionalism and value.

What is the difference between Freelance Web App Penetration Testing vs Freelance Cybersecurity Consultant?

AspectFreelance Web App Penetration TestingFreelance Cybersecurity Consultant
CertificationsOSCP, CEH, OSWECISSP, CISA, CEH
Work EnvironmentFocused on web application security testingBroader security strategy and risk management
Industry UsageWeb development, tech startups, security firmsAll industries requiring security advice
Search IntentWeb app testing freelance jobsSecurity consulting freelance opportunities

Freelance Web App Penetration Testing specializes in testing web applications for vulnerabilities, often requiring specific certifications like OSCP or OSWE. Freelance Cybersecurity Consultants provide broader security advice across systems, networks, and policies, with certifications like CISSP or CISA. While both roles involve security expertise, web app penetration testers focus on application-specific testing, whereas cybersecurity consultants offer comprehensive security strategies.

How much do freelance web application penetration testers make?

Freelance web application penetration testers typically earn between $50 and $150 per hour, depending on experience, certifications, and project complexity. Annual income can vary widely, often ranging from $50,000 to over $150,000 for experienced professionals working on multiple projects or retainer agreements.
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Freelance Web App Penetration Testing jobs near you
Infographic showing various Freelance Web App Penetration Testing job openings in the United States as of August 2026, with employment types broken down into 33% Full Time, 17% Temporary, and 50% Contract. Highlights an 83% In-person, and 17% Remote job distribution, with an average salary of $72,500 per year, or $34.9 per hour.

Security Software Engineer - Red Team Penetra

Imagine One Technology & Management Ltd

Arlington, VA • On-site

Other

Medical, Dental, Vision, Retirement

Posted 11 days ago

Job description

This position requires U.S. citizenship and an active U.S. DoD clearance.

Candidates who are not U.S. citizens are not eligible for this role.

Imagine One Technology & Management, Ltd. is seeking one (1) Security Software Engineer. This position is contingent upon award of the associated work and will be performed in Dahlgren, Virginia.

The Security Software Engineer will be expected to:

  • Debug and reverse engineer software.
  • Analyze Windows Events and Linux syslog's, boot logs and dmesg logs.
  • Program and debug Web 2.0, Java, Perl, Ada, C++, Tool Command Language (tcl/tk) scripts and graphical user interfaces (GUis) using Microsoft Visual tel and Rational ClearCase for software configuration management.
  • Recommend software modifications to systems to mitigate known vulnerabilities.
  • Operate and administrate computer systems running HP-UX, UNIX, Solaris, Linux and Microsoft Windows.
  • Identify security flaws in compiled and human readable source code.
  • Understand code utilizing real-time VxWorks and Lynx OS operating systems, Common Object Resource Broker Architecture (CORBA), firewalls and networking protocols.
  • Understand how to implement NSA approved encryption technologies and devices.
  • Apply DISA Security Technical Implementation Guides (STIGs).
  • Apply virtual hosting and server technology in system architectures.
  • Understand and apply the concept of deceptive technology such as honey pots in system architectures.
  • Participate in Code Reviews. Perform Static Source Code Analysis. Author recommendations for improving software and code design.
  • Contribute to a System Security Administrator and Operators Manual (SSAOM).

Desired Experience:

  • Five (5) years of experience in software engineering applied to program development; modeling and simulation applied to DoD or Information Technology systems.
  • Five (5) Years experience in:
    1. Linux – firm grasp/demonstrated knowledge
    2. Associated Training: COMPTIA Linux+ or FedVTE Linux+
  • Five (5) Years experience in:
    1. Windows – foundational knowledge with good understanding of enterprise networks
    2. Associated Training: Microsoft course (MCSA; Various)
  • Strong working knowledge of common Penetration Testing (PENTEST) tools:
    1. Kali, Metasploit, NMAP, Cobalt Strike
    2. Associated Training: Certified Ethical Hacker or Offensive Security Certified Professional and;
    3. Documented experience in at least one of the following:
      1. Penetration Testing (PENTEST) (government or contractor)
      2. Red Team Operations (government or contractor)
      3. Tool/Software Development (exploits/malware, C2, reverse engineering, bug bounties)
      4. Python, C, C Sharp, C++, Go, Perl, Powershell
      5. Web Dev/Web App Dev/Web Penetration testing
    4. PHP, ASP, SQL db's, Java, HTML, No SQL[VW1]

Educational Requirements:

  • Minimum certification as IAT Level II per DoD 8570.01, or successor.
  • Minimum certification as penetration tester and possess one of the following certificates:
    1. Offensive Security Certs: Offensive Security Certified Professional (OSCP), Offensive Security Certified Expert (OSCE), Offensive Security Exploitation Expert (OSEE), Offensive Security Wireless Professional (OSWP)
    2. SANS Certs: SEC560 - Network Penetration testing and Ethical Hacking (GPEN Certification), SEC542 - Web App Penetration Testing and Ethical Hacking (GWAPT Certification), SEC660 - Advance Penetration Testing. Exploit Writing, and Ethical Hacking (GXPN Certification), SEC642 - Advanced Web App Penetration Testing and Ethical Hacking, SEC564 - Red Team Operations and Threat Emulation
    3. OSD Sponsored Cyber Operation Academy Course (COAC) graduates.
  • Bachelor’s degree desired

Security Requirements:

  • Active DoD Top Secret clearance required

Imagine One Technology & Management, Ltd., offers a full package of benefits and competitive salary, excellent group medical, vision, and dental programs. 401K savings plan; $4K annual tuition reimbursement ($5K if pursuing master’s degree); employee training, development, and education programs; profit sharing; advancement opportunities; and much more!

ISO 9001:2015, ISO 20000-1:2018, ISO 27001:2013
CMMI Development and Services - Maturity Level 3
An Employee-Owned Business

EEO/Veterans/Disabled