Senior Middleware & API Integration Engineer

Gate Gourmet; Madrid; Presencial; EUR 60.000 - 80.000; Jornada completa

Descripción de la vacante

gategroup is seeking an experienced Senior IT Engineer (Middleware / Integrations) to design, build, operate, and continuously improve enterprise integration services enabling reliable data exchanges across business applications and external partners. You will work within a global team to ensure secure, performant interfaces.

Based in Madrid, Spain, the role covers API and messaging integration, CI/CD pipelines, observability, and security controls, with a focus on high availability and

Formación

• 5+ years in enterprise middleware/integration engineering delivering APIs, messaging, and batch/file‑based integrations.
• Strong production experience operating integration services with high availability expectations.
• Hands-on experience with integration design across multiple domains.
• English; additional languages are a plus.

Responsabilidades

• 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.

Conocimientos

APIs

Messaging

Integration patterns

Transformations

CI/CD pipelines

Observability

Logging

Metrics

Troubleshooting

Incident management

English

Educación

Bachelor's degree in Computer Science, Information Systems, Engineering, or related field

Herramientas

CI/CD tooling

Security frameworks

Descripción del empleo

gategroup is seeking an experienced Senior IT Engineer (Middleware / Integrations) to design, build, operate, and continuously improve enterprise integration services enabling reliable data exchanges across business applications and external partners. You will work within a global team to ensure secure, performant interfaces.

Based in Madrid, Spain, the role covers API and messaging integration, CI/CD pipelines, observability, and security controls, with a focus on high availability and