We are looking, at Transformación Digital SAC, for a **Full Stack Programmer** with experience in authentication and API integration. The role requires knowledge of protocols such as OAuth, SAML, and OpenID, aimed at strengthening the security and stability of our digital solutions. **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 **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). **Schedule**: * Days: Monday to Friday * Hours: 9:00 AM \- 6:00 PM **We Offer**: * Formal employment contract * Market-competitive salary * Professional growth opportunities * 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? * Are you agreeable to a hybrid work model (mostly in-office)? * Do you have knowledge of authentication protocols such as OpenID or SAML? Work location: Regular travel required