Software Engineer - Senior Single Sign-On Engineer

This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Software Engineer - Senior Single Sign-On Engineer based in Brazil. We are seeking a Senior Software Engineer specialized in Single Sign-On (SSO) to support strategic identity and access management initiatives in global enterprise environments.This role focuses on designing, implementing, troubleshooting, and improving authentication solutions while ensuring security, reliability, and performance.You will work with modern identity protocols, federation technologies, and hybrid architectures alongside international teams.The position requires deep technical expertise, strong problem-solving abilities, and a security-focused mindset.The ideal candidate enjoys investigating complex authentication challenges and building scalable solutions for enterprise environments.This is a fully remote opportunity under a PJ contract model, offering the chance to contribute to high-impact technology projects.