Systems Engineer, Smart Platform

Government Technology Agency; Singapore; On-site; SGD 90,000 - 150,000; Full time

Job summary

GovTech in Singapore is seeking a Senior / Systems Engineer to develop and maintain the Open Digital Platform (ODP), enabling integration between enterprise apps, smart buildings, and OT. You will design scalable middleware, APIs, messaging, and telemetry pipelines while ensuring reliability and security.

Responsibilities include designing REST APIs, event-driven services, protocol adapters (REST, MQTT, OPC UA, BACnet, RabbitMQ/AMQP, Modbus), and building reusable integration components.

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 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

Backend software engineering

Java

Spring Boot

RabbitMQ

Git & CI/CD workflows

REST APIs

MQTT

OPC-UA

Modbus

BACnet

Linux development

Education

Degree in Computer Science or Computer Engineering

Tools

Docker

Kubernetes

RabbitMQ

Git

CI/CD pipelines

Job description

GovTech is the lead agency driving Singapore's Smart Nation initiatives and public sector digital transformation. As the Centre of Excellence for Infocomm Technology and Smart Systems (ICT & SS), GovTech develops the Singapore Government's capabilities in Data Science & Artificial Intelligence, Application Development, Smart City Technology, Digital Infrastructure, and Cybersecurity.

AtGovTech, we offer you a purposeful career to make lives better where we empower our people to master their craft through robust learning and development opportunities all year round.

Play a part in Singapore's vision to build a Smart Nation and embark on your meaningful journey to build tech for public good. Join us to advance our mission and shape your future with us today!

Learn more aboutGovTechat tech.gov.sg.

[What you will be working on]

We are 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.

What You'll Do

Software Development

• 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.

Platform Integration

• 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.

Messaging & Event Processing

• Design event-driven architectures.
• Implement asynchronous workflows.
• Implement retries, fault handling and message reliability.

Platform Reliability

• Develop monitoring and observability.
• Troubleshoot distributed services.
• Support production incidents and root cause analysis.
• Improve scalability and performance.

DevOps & Deployment

• Develop Dockerized applications.
• Support Kubernetes deployments.
• Maintain CI/CD pipelines.
• Manage software releases.

Technical Documentation

• Produce software design documents.
• Maintain API documentation.
• Maintain Interface Control Documents (ICDs).

• Produce operational runbooks.

[What we are looking for]

Required 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 (egs Docker) and orchestration platforms (egs Kubernetes)
• Linux development experience.
• Git and CI/CD workflows.
• Experience working with various communication protocols (egs Modbus, BACnet, OPC-UA, MQTT, REST API)
• Experience with PLCs or IIoT is a plus

Good-to-haves

• Experience with PLCs / IIoT
• Experience with cloud technologies (egs Azure, AWS)

Success Metrics

• Reliable platform services.
• High API availability.
• Successful onboarding of new systems.
• Reduced production incidents.
• Comprehensive documentation.

What we offer you:

GovTech is an equal opportunity employer committed to fostering an inclusive workplace that values diverse voices and perspectives, as we believe that diversity is the foundation to innovation.

Our employee benefits are based on a total rewards approach, offering a holistic and market-competitive suite ofperks. These include leave benefits to meet your work-life needs and employee wellness programs.

We champion flexible work arrangements (subject to your job role) and trust that you will manage your own time to deliver your best, wherever you are, and whatever works best for you.

Learn more about life insideGovTechat go.gov.sg/GovTechCareers.

Stay connected with us on social media at go.gov.sg/ConnectWithGovTech