Senior Integration Specialist

StarHub; Singapore; On-site; SGD 120,000 - 160,000; Full time

Job summary

StarHub is seeking a Senior Integration Specialist to design, build, and operate scalable integration solutions across enterprise platforms. You will work with API-led and event-driven architectures, ensuring reliability, observability, and security across cloud-native environments.

You will design, develop, and maintain integration services using Java and Go, deploy containerized apps on OpenShift/Kubernetes, and implement API-based and event-driven integrations.

Qualifications

• 6–10 years of experience in integration, middleware, or backend engineering roles.
• Strong hands-on experience in Java and/or Go programming.
• Proven experience building and deploying applications on Kubernetes/OpenShift (OCP) platforms.
• Experience in API, microservices, and/or event-driven architectures.
• Practical experience with observability tools such as Splunk, Prometheus, Grafana, or similar.
• Strong understanding of REST APIs, messaging systems, and integration patterns.
• Experience with cloud-native and distributed systems environments.
• Familiarity with CI/CD pipelines, DevOps practices, and automation tools.

Responsibilities

• Design, develop, and maintain integration services using Java and Go.
• Build and deploy containerized applications on OCP (OpenShift) / Kubernetes platforms.
• Implement API-based and event-driven integration solutions across systems and partners.
• Ensure solutions meet non-functional requirements including performance, scalability, and resilience.
• Implement observability practices using tools such as Splunk and other monitoring/telemetry platforms (logs, metrics, traces).
• Support production systems by troubleshooting integration issues and improving system reliability.
• Collaborate with DevOps teams to enable CI/CD pipelines, automation, and infrastructure readiness.
• Apply security best practices in APIs, integrations, and data exchange.
• Participate in design reviews and contribute to improving integration standards and reusable components.
• Mentor junior engineers and promote best practices in development and operations.

Skills

Java

Go

OpenShift

Kubernetes

API/microservices

Event-driven

Observability

Splunk

Prometheus

Grafana

CI/CD

DevOps

REST APIs

Messaging systems

Tools

OpenShift

Kubernetes

Splunk

Prometheus

Grafana

Job description

Role Mission

This role exists to design, build, and operate scalable, reliable, and observable integration solutions across enterprise platforms. As digital services expand, this role ensures seamless system connectivity using API-led and event-driven architectures, while leveraging cloud-native technologies. The Senior Integration Specialist drives implementation excellence in middleware and integration services while ensuring strong observability, performance, and operational stability.

Accountabilities

• Delivery of scalable and resilient integration solutions.
• Implementation of API, microservices, and event-driven architectures.
• Platform reliability, observability, and operational excellence.
• Adherence to security, compliance, and integration standards.
• Continuous improvement of integration patterns and practices.

Responsibilities

• Design, develop, and maintain integration services using Java and Go.
• Build and deploy containerized applications on OCP (OpenShift) / Kubernetes platforms.
• Implement API-based and event-driven integration solutions across systems and partners.
• Ensure solutions meet non-functional requirements including performance, scalability, and resilience.
• Implement observability practices using tools such as Splunk and other monitoring/telemetry platforms (logs, metrics, traces).
• Support production systems by troubleshooting integration issues and improving system reliability.
• Collaborate with DevOps teams to enable CI/CD pipelines, automation, and infrastructure readiness.
• Apply security best practices in APIs, integrations, and data exchange.
• Participate in design reviews and contribute to improving integration standards and reusable components.
• Mentor junior engineers and promote best practices in development and operations.

Requirements

• 6–10 years of experience in integration, middleware, or backend engineering roles.
• Strong hands-on experience in Java and/or Go programming.
• Proven experience building and deploying applications on Kubernetes / OpenShift (OCP) platforms.
• Experience in implementing API, microservices, and/or event-driven architectures.
• Practical experience with observability tools such as Splunk, Prometheus, Grafana, or similar.
• Strong understanding of REST APIs, messaging systems, and integration patterns.
• Experience working in cloud-native and distributed systems environments.
• Familiarity with CI/CD pipelines, DevOps practices, and automation tools.