We are looking for a seasoned Full Stack Engineer to join our team in Bogotá, Colombia. This role will be responsible for creating applications and tools for internal and external clients at a health technology company focused on making prescribed medications more accessible. Key Responsibilities: - Implement secure authentication and authorization features using IAM platforms such as Auth0, KeyCloak, Okta, or Azure AD. - Integrate applications with OAuth 2.0, OpenID Connect, and other identity protocols to ensure seamless user access. - Develop and maintain robust user management workflows, including registration, login, password reset, and multi-factor authentication (MFA). - Collaborate with multidisciplinary teams to apply role-based access control (RBAC) and implement granular permissions. - Write clean and testable code, focusing on security, scalability, and IAM best practices. Requirements: - Minimum 5 years of experience developing backend applications with .Net / C# - Proven experience implementing authentication and authorization solutions using IAM (Auth0, KeyCloak, Okta, Azure AD) - Experience with OAuth 2.0, OpenID Connect, RBAC, or similar technologies - Strong experience in designing, developing, and integrating microservices-based architectures