Zarina CRM is a Romanian-developed self-hosted CRM platform focused on data privacy, security, and full client control. We’re looking for an experienced cybersecurity-oriented developer with strong skills in PHP / MySQL / Laravel to help us enhance platform security, improve backend performance, and optimize user access management. Main objectives: Strengthen security layers (login, data encryption, server-side validation); Implement advanced user roles and permissions; Review and optimize code to meet GDPR and OWASP best practices; Monitor and improve system performance while maintaining high security standards. Requirements: Experience in CRM or SaaS data protection; Knowledge of GDPR compliance and secure hosting principles; Understanding of Linux server environments and SSL/TLS encryption; Long-term collaboration availability (monthly work & feature updates). Goal: To make Zarina CRM the most secure and efficient Romanian self-hosted CRM, empowering businesses to manage clients safely — with full data ownership and zero dependency on third-party cloud providers.