Job Summary We’re looking for motivated, engaged people to help make everyone’s journeys better. 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 general team.
* Collaborate with architects, application teams, and partners to deliver end-to-end integrations. Core Competencies and RequirementsEducation
* Bachelor’s degree in Computer Science, Information Systems, Engineering, or a related field (or equivalent professional experience). Work Experience
* 5+ years in enterprise middleware/integration engineering delivering APIs, messaging/event-driven, and batch/file-based integrations.
* Strong production experience operating integration services (incident/problem/change/release) with high availability expectations.
* Hands-on experience with integration design (patterns, transformations, contracts/versioning) across multiple application domains. Technical / Language Skills
* Strong integration skills across APIs, messaging/event-driven flows, and batch/file-based interfaces, using standard patterns.
* Solid data handling skills
* Operational tooling

skills:
monitoring/alerting, logging/metrics/tracing, troubleshooting, and performance tuning.
* English, additional languages are a plus. Core Competencies Required
* End-to-end ownership with a strong customer/service mindset.
* Analytical problem solving and structured root-cause investigation.
* Clear communication and concise technical documentation in a global context.
* Collaboration and influence across teams, cultures, and stakeholder levels.
* Prioritization and resilience in a run-and-change environment.
* Continuous improvement mindset (standardization, automation, quality, reliability). If you want to be part of a team that helps make travel and culinarymemories, join us #J-18808-Ljbffr

📌 IT Engineer Middleware (Comunidad de Madrid)
🏢 Gategroup
📍 Comunidad de Madrid