Senior Systems Engineer, Open Digital Platform

re-zoo-me; Singapore; On-site; SGD 90,000 - 140,000; Full time

Job summary

GovTech in Singapore is seeking a Senior / Systems Engineer to develop and maintain the Open Digital Platform (ODP), enabling seamless integration between enterprise applications, smart building systems, and operational technology (OT).

The successful candidate will design scalable middleware services, APIs, messaging infrastructure, and telemetry pipelines while ensuring platform reliability, security and maintainability.

Qualifications

• Degree in Computer Science, Computer Engineering or equivalent.
• 2+ years backend software engineering experience.
• Strong Java and Spring Boot experience.
• Experience working with RabbitMQ
• Experience working with containerization technologies (Docker) and orchestration platforms (Kubernetes)
• Linux development experience.
• Git and CI/CD workflows.
• Experience working with various communication protocols (Modbus, BACnet, OPC-UA, MQTT, REST API)
• Experience with PLCs or IIoT is a plus

Responsibilities

• Design, develop and maintain backend services and microservices.
• Develop middleware integrating enterprise and OT systems.
• Build scalable REST APIs and event-driven services.
• Develop reusable integration components.
• Participate in architecture and code reviews.
• Design and maintain ODP integration services.
• Develop protocol adapters for REST APIs, MQTT, OPC UA, BACnet, RabbitMQ/AMQP and Modbus.
• Develop data transformation, validation and routing services.
• Design event-driven architectures.
• Implement asynchronous workflows.
• Implement retries, fault handling and message reliability.
• Develop monitoring and observability.
• Troubleshoot distributed services.
• Support production incidents and root cause analysis.
• Improve scalability and performance.
• Develop Dockerized applications.
• Support Kubernetes deployments.
• Maintain CI/CD pipelines.
• Manage software releases.
• Produce software design documents.
• Maintain API documentation.
• Maintain Interface Control Documents (ICDs).
• Produce operational runbooks.

Skills

Java

Spring Boot

RabbitMQ

Docker

Kubernetes

Linux

Git

CI/CD

MQTT

Modbus

BACnet

OPC-UA

REST API

Education

Degree in Computer Science/Computer Engineering or equivalent

Job description

GovTech in Singapore is seeking a Senior / Systems Engineer to develop and maintain the Open Digital Platform (ODP), enabling seamless integration between enterprise applications, smart building systems, and operational technology (OT).

The successful candidate will design scalable middleware services, APIs, messaging infrastructure, and telemetry pipelines while ensuring platform reliability, security and maintainability.