IT Engineer Middleware

Posted One Month Ago
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Madrid, Comunidad de Madrid, ESP
In-Office
Senior level
Aerospace
The Role
Designs, builds, operates, and improves enterprise middleware and integration services across business applications and external partners. Responsibilities include API, messaging, and batch integration development; data mapping; secure connectivity; CI/CD; monitoring and observability; incident troubleshooting; release management; documentation; resilience; disaster recovery; and security controls. The role collaborates globally with architects, application teams, and partners while supporting both project delivery and production operations.
Summary Generated by Built In

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!

Skills Required

  • Bachelor's degree in Computer Science, Information Systems, Engineering, or a related field, or equivalent professional experience
  • 5+ years of enterprise middleware or integration engineering experience
  • Experience delivering API, messaging/event-driven, and batch/file-based integrations
  • Production experience operating integration services with incident, problem, change, and release management
  • Experience designing integrations, including patterns, transformations, contracts, and versioning across multiple application domains
  • Strong integration skills across APIs, messaging/event-driven flows, and batch/file-based interfaces
  • Solid data handling skills
  • Operational tooling skills covering monitoring, alerting, logging, metrics, tracing, troubleshooting, and performance tuning
  • English proficiency
  • Additional language proficiency
  • End-to-end ownership and customer or service mindset
  • Analytical problem-solving and structured root-cause investigation skills
  • Clear communication and technical documentation skills in a global context
  • Collaboration and cross-functional stakeholder influence skills
  • Prioritization and resilience in a run-and-change environment
  • Continuous improvement, standardization, automation, quality, and reliability mindset

gategroup Compensation & Benefits Highlights

The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about gategroup and has not been reviewed or approved by gategroup.

  • Healthcare Strength — Medical, dental, and vision coverage are advertised for eligible U.S. employees, alongside an employee assistance program and health accounts. This points to a solid core health offering for many roles.
  • Retirement Support — A 401(k) plan with up to a 3% company match is promoted at most locations. This provides tangible employer-backed savings for retirement.
  • Wellbeing & Lifestyle Benefits — Complimentary meals at many onsite cafeterias and an employee assistance program add everyday and wellbeing support. Optional add-ons such as accident, critical-illness, legal, pet, and commuter benefits broaden the perk set.

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The Company
HQ: Opfikon
10,785 Employees

What We Do

gategroup is the global leader in airline catering, retail-on-board and hospitality products and services. gategroup provides passengers with superior culinary and retail experiences, leveraging innovation and advanced technology solutions. Headquartered in Zurich, Switzerland, gategroup delivers operational excellence through the most extensive catering network in the aviation industry, serving passengers from over 200 operating units in over 60 countries/territories across all continents

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