Mobile Application Penetration Testing Analyst

Remote Full-time
Job Title

Freelance Web & Mobile Application Penetration Testing Analyst (Non-Exploit – Flutter Focus)

Job Type:

Contract / Freelance

Long-Term Engagement (Part-Time, Sporadic Hours)

Fully Remote

About the Role:

We are looking for an experienced Application Security Analyst to join us on a freelance basis, supporting security testing across both web and mobile applications, with a strong emphasis on Flutter-based mobile apps. This is a non-exploit role, focused on identifying vulnerabilities and security weaknessesβ€”not active exploitation or red teaming.

The role is fully remote and well-suited for professionals who are comfortable working independently on a long-term, as-needed basis. Hours will vary with workload, so flexibility and the ability to work asynchronously are key.

Key Responsibilities:
β€’ Conduct manual and tool-assisted penetration testing of web and mobile (Flutter) applications
β€’ Identify vulnerabilities related to authentication, authorization, session handling, and insecure storage or communications
β€’ Perform reviews of Dart/Flutter code and assess mobile-specific risks like deep linking, reverse engineering, and tampering
β€’ Analyze APIs and backend integrations for security gaps
β€’ Document findings in detailed, developer-ready reports including impact assessments and remediation guidance
β€’ Collaborate with internal teams to clarify security concerns and verify remediations
β€’ Align all assessments with OWASP Top 10, OWASP MASVS, and secure coding best practices
β€’ Operate in a non-exploitative capacity (no red teaming or social engineering)

Required Experience and Skills:
β€’ Minimum 4–6 years of experience in application security testing
β€’ Strong background in Flutter security, with hands-on testing of production-grade mobile apps
β€’ Proficiency in tools such as Burp Suite, OWASP ZAP, MobSF, Frida, Postman, Objection, or similar
β€’ Understanding of secure development concepts: input validation, session/token management, certificate pinning, etc.
β€’ Familiarity with mobile and web security standards (OWASP Top 10, MASVS, CVSS, CWE)
β€’ Excellent technical writing and reporting skills
β€’ Certifications like OSCP, eWPT, GMOB, or equivalent are a plus

Desirable Skills:
β€’ Experience working as an external security consultant or independent contractor
β€’ Familiarity with CI/CD security practices and DevSecOps pipelines
β€’ Ability to scope and prioritize assessments autonomously

Compensation and Workload:
β€’ Competitive hourly or daily rate
β€’ Flexible working hours
β€’ Project-based workload, long-term commitment

If this position is of interest then please apply and await a call from Dylan. Alternatively please send an email to [email protected] with your mobile number and availability for a call.

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