Gategroup
IT Engineer Middleware
Madrid, ESP
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- Seniority
- Mid level
- Country
- ES
- Work mode
- On-site / unstated
- First seen by hirly
- 1 Oct 2026
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the posting
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 global 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 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 culinary memories, join us!
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