Pre-Production Security Audit of Node/React App

Job ID: 40188492

Budget: €30 – €250 EUR

We are looking for an experienced Security Engineer / Penetration Tester to perform a pre-production security assessment of a web application.

Tech stack
Backend: Node.js (Express)
Frontend: React

Scope

Black-box penetration testing against the live application
Identification of OWASP Top 10 issues (XSS, SQLi, CSRF, IDOR, auth/session flaws)
Authorization & RBAC testing (horizontal / vertical privilege escalation)
Dependency security review based on provided package.json files
Review of security headers, cookies, and error handling

Access Provided

Application URL(s)
Test user accounts
package.json (frontend & backend)

Deliverables

Security report with findings ranked by severity
Clear remediation recommendations
Re-test after fixes

Requirements

Proven experience securing Node.js and React applications
Familiarity with tools such as Burp Suite, OWASP ZAP, Snyk
Strong understanding of JWT, authentication, and authorization security

Previous penetration testing and SAT experience and reports examples