We’re looking for motivated, engaged people to help make everyone’s journeys better.

Job Summary

The Senior IT Engineer (Middleware / Integrations) designs, builds, operates, and continuously improves enterprise integration services that enable reliable data and process exchanges between business applications, platforms, and external partners. Integrated within a global team, the role ensures secure, performant, and resilient interfaces across multiple domains, supporting both project delivery and run activities.

Main Duties and Responsibilities

• Design integration solutions to meet functional and non-functional requirements.
• Implement APIs, messaging, and batch interfaces using standard integration patterns.

• Define and maintain interface contracts, schemas, and versioning rules.

• Build data mappings and transformations with validation and error handling.

• Configure secure connectivity and authentication for internal and external integrations.

• Develop and maintain CI/CD pipelines for integration components and releases.





• Monitor integration services and take action to ensure availability and performance.

• Troubleshoot incidents, perform root-cause analysis, and implement permanent fixes.

• Manage changes and deployments with documented rollback and release controls.

• Maintain operational runbooks, support procedures, and interface documentation.

• Ensure logging, metrics, tracing, and alerting meet observability standards.

• Apply security controls including encryption, secrets handling, and certificate lifecycle management.

• Support capacity planning, resilience improvements, and disaster recovery readiness.

• Contribute reusable templates, standards, and best practices across the integral team.

• Collaborate with architects, application teams, and partners to deliver end-to-end integrations.

Core Competencies and Requirements

Education
• Bachelor’s degree in Computer Science, Information Systems, Engineering, or a related field (or eq

📌 IT Engineer Middleware (Madrid)
🏢 Gategroup
📍 Madrid