We are a leading company in the information technology sector, committed to innovation and the development of cutting-edge technological solutions. Our corporate culture promotes the professional and personal growth of our team members, providing a collaborative and dynamic work environment. Location: Monterrey, Nuevo León. **Position Summary:** We are seeking a Backend Developer specialized in Node.js and PostgreSQL to join our technology team. The candidate will be responsible for designing, implementing, and maintaining scalable, secure, and efficient backend services that support the organization's web and mobile applications. **Responsibilities:** * Design and develop REST and/or GraphQL APIs using Node.js. * Implement and optimize queries and procedures in PostgreSQL for large volumes of data. * Create and maintain relational data models considering performance, security, and integrity. * Integrate backend services with web and mobile applications. * Implement authentication and authorization mechanisms (JWT, OAuth2, etc.). * Participate in code reviews and apply best development practices (clean code, design patterns, TDD). * Collaborate closely with frontend, QA, and product teams to define technical requirements. * Monitor and optimize backend application performance. * Document code, endpoints, and technical processes. * Contribute to the definition of a scalable and resilient architecture. **Compensation and Additional Benefits** * Competitive salary * Professional training and development opportunities * Collaborative and motivating work environment * Statutory benefits and compensation Job type: Permanent Salary: $18,000.00 per month Work location: On-site