Job Title Web Developer – Secure Login Integration (Staging → Production) Job Description (Strict / Legal Version) Engage to integrate a custom HTML login/register interface into an existing website. Scope strictly includes: Full functional integration of supplied HTML into existing authentication system Elimination of duplicate, orphaned, or unauthorised account creation Cross-browser compatibility (standard and extended environments, desktop and mobile) Implementation of industry-standard security protocols (input validation, session security, CSRF/XSS protection, data sanitisation) 100% functionality testing on staging environment prior to written approval for production deployment No direct production access or deployment is permitted without staging sign-off. All code, designs, systems, and derivative works remain the exclusive intellectual property of the website owner. No rights are assigned or transferred. Only developers with demonstrable secure authentication experience should apply.