At Transformación Digital SAC, we are looking for a Full Stack Developer with experience in authentication and API integration, capable of working with protocols such as OAuth, SAML, and OpenID, in order to enhance the security and reliability of our technological solutions. **Requirements**: * Graduate or bachelor's degree in Software Engineering, Computer Systems, or related fields. * Knowledge of Node.js, NestJS, ReactJS, NextJS. * Authentication/federation protocols and standards: SAML 2\.0, OAuth, OpenID. * Understanding of Single Sign\-On (SSO), Single Logout (SLO), Identity Provider (IdP), and Service Provider (SP) concepts. * Experience with security middleware. * Knowledge of relational and non-relational databases: MySQL, PostgreSQL, and MongoDB. * Experience integrating Web Services and consuming/creating REST APIs. * Ability to work in a team with a focus on user experience. * Application of good development practices (clean code, versioning, testing). **Responsibilities**: * Develop full-stack web applications using modern technologies * Integrate external services according to client requirements * Ensure clean, modular, and maintainable code * Collaborate with design and QA teams to guarantee a solid user experience * Participate in code reviews and continuous product improvements * Stay updated on new technologies and best practices **Schedule**: * Days: Monday to Friday * Hours: 9:00 AM \- 6:00 PM **We offer:** * Formal employment contract * Market-competitive salary * Professional growth * Health insurance * Family allowance **JOIN TD!** Job type: Full-time Application questions: * Are you willing to be hired under a MYPE payroll? * What are your salary expectations? * Do you agree with the hybrid work model (mostly on-site)? * Do you have knowledge of authentication protocols such as OpenID or SAML? Work location: Regular travel required