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Invadel

Senior Penetration Tester (Web and API), Contract

Remote — United States (see country and timezone requirements)

Check who can apply and the requirements below before continuing.

Job description

Invadel is a New York City penetration testing firm. Every engagement is fixed-scope and fixed-price, agreed in writing, with public prices at invadel.com/pricing and a free retest. This is a contract role, remote within the United States, paid per engagement; a typical engagement is five to ten testing days plus a retest, scheduled around your availability.

What you will do: lead manual web application and API penetration tests across every user role (authorization, authentication and sessions, injection, business logic, SSRF, file handling and deserialization); confirm or discard every automated result by hand and chain findings to prove impact safely; escalate critical findings the day they are confirmed; write the report (executive summary, findings with reproduction steps and CVSS scores, prioritized remediation, framework mapping); retest remediated findings.

What we need: five or more years of hands-on application penetration testing, mostly web and API; depth on at least one modern stack (single-page applications, GraphQL, OAuth and OIDC, multi-tenant SaaS); based in the United States with authorization to work here; reports written for engineers and auditors, with a redacted sample report as part of the application; two professional references.

Nice to have: mobile (MASVS and MASTG) or cloud testing on AWS, Azure or GCP; published research, tooling or disclosed vulnerabilities. An offensive security certification is welcome; it does not replace a verifiable engagement record.

Full description, pay range and application:

Originally posted on Himalayas

Who can apply

Eligible countries: United States. Accepted UTC offsets: UTC-11, UTC-10, UTC-9.5, UTC-9, UTC-8, UTC-7, UTC-6, UTC-5, UTC-4, UTC-3.5, UTC-3, UTC-2, UTC-1, UTC+0, UTC+1, UTC+2, UTC+3, UTC+3.5, UTC+4, UTC+4.5, UTC+5, UTC+5.5, UTC+5.75, UTC+6, UTC+6.5, UTC+7, UTC+8, UTC+8.75, UTC+9, UTC+9.5, UTC+10, UTC+10.5, UTC+11, UTC+12, UTC+12.75, UTC+13, UTC+14. Review the full description for employer-specific work authorization, residency and schedule requirements.

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