**We Offer** * Competitive salary of **$35,000 MXN net**. * Statutory benefits. * Subsidized cafeteria service at 60%. * Travel discounts. * Job stability and professional growth opportunities. * Excellent work environment. * We provide access to a platform for courses and certifications to boost your professional development and keep you up to date. **Requirements** * Bachelor's or Engineering degree in Computer Science, Systems Engineering, Information Technology, or related fields. * **Experience:** 3+ years as a fullstack or backend developer. * **Location:** Near the **Providencia area, Guadalajara**. * **Technical Skills:** * **Backend:** Node.js (Express, NestJS, or other frameworks) \+ TypeScript, use of ORMs (Sequelize, TypeORM, or Prisma). * **Frontend:** React and Next.js. * **Databases:** PostgreSQL. * **Version Control:** Git (GitHub or GitLab). * **Integrations:** REST/SOAP, GraphQL, WebSockets, **SFTP** with certificates, signed Webhooks, message queues (RabbitMQ/SQS), **cron jobs**. * **Observability:** structured logs, metrics, traces (**OpenTelemetry**), dashboards (Grafana/DataDog). * **Infrastructure:** Docker, PM2, or cloud services (AWS, Azure, or GCP). * **Authentication:** OAuth2/OIDC with **Microsoft Entra ID (Azure AD)** for **SSO**, JWT/rotation, **RBAC** (roles), and **ABAC** (attributes). **Desirable** * Experience in service integration and process automation. * Experience in fintech or accounting/ERP systems. * Knowledge of ISO 20022 standards or bank reconciliation flows. * **Testing:** unit, integration/contract (Pact), **load** (Artillery), security (SAST/DAST), resilience testing. * Familiarity with deployments on Windows Server and/or Linux environments. **Soft Skills** · Effective communication with technical and non-technical teams. · Structured thinking and focus on **security and compliance**. · Ability to produce clear documentation (diagrams, technical decisions). Proactivity, problem-solving, and results-oriented mindset. **Responsibilities** * Develop and maintain **RESTful, GraphQL, WebSocket APIs**. * Implement and optimize backend services following architectural best practices. * Collaborate closely with UX/UI designers and other developers to deliver the best user experience. * Work on competitive projects with a focus on AI learning. * Integrate frontend components developed with **React** and **Next.js**. * Collaborate with other developers and functional teams to ensure software quality. * Ensure application stability, scalability, and performance. * Participate in code reviews and promote development best practices. * Stay updated with trends and emerging technologies in web and mobile development. Job type: Full-time Salary: Starting at $35,000.00 per month Work location: On-site position