Integration Engineer – Middleware & API Solutions

About the role

National Broadband Ireland (NBI) is seeking an experienced Integration Engineer to design, build, and maintain scalable middleware and API solutions that connect internal and external systems across the national broadband network.

Key responsibilities

• Design, develop, and maintain middleware solutions such as APIs, data pipelines, and integration layers.
• Build and support integration pipelines for data and application workflows.
• Create reusable integration components and services.
• Implement CI/CD pipelines for middleware and integration services.
• Ensure integrations meet performance, scalability, and security requirements.
• Monitor, troubleshoot, and resolve middleware and pipeline issues.
• Produce technical documentation, including integration designs and runbooks.
• Support deployment, release, and operational activities.
• Ensure compliance with architectural standards and best practices.
• Participate in code reviews and continuous‑improvement initiatives.

Required profile

• Strong experience with middleware platforms (e.g., Oracle, IBM Integration or similar).
• Proven ability to build RESTful and/or event‑driven integrations.
• Solid understanding of message queues, event streaming, and asynchronous processing.
• Experience with API management and integration patterns, including AWS API Gateway.
• Hands‑on experience with CI/CD tools such as Jenkins, GitHub Actions or GitLab CI.
• Familiarity with containerisation and orchestration (Docker, Kubernetes) is desirable.

Required skills

• Middleware platforms (Oracle, IBM Integration)
• RESTful APIs
• Event‑driven integration
• Message queues and event streaming
• AWS API Gateway
• CI/CD pipelines (Jenkins, GitHub Actions, GitLab CI)
• Docker
• Kubernetes