[LTA-ITCD] PRINCIPAL / SENIOR / EXECUTIVE SOFTWARE ENGINEER

Public Service Division; Singapore; On-site; SGD 90,000 - 170,000; Full time

Job summary

Public Service Division in Singapore is seeking a Principal/Senior/Executive Software Engineer to design, develop and operate digital services. You will work across the software delivery lifecycle, building secure, reliable, maintainable solutions on AWS, and collaborating with product owners and operations teams to translate service needs into working software.

You will own front-end and back-end components, drive CI/CD pipelines, apply DevSecOps practices and help modernise legacy services

Qualifications

• Experience in software development and implementation.
• Hands-on frontend and preferably full-stack development.
• Strong knowledge in Java, J2EE and Spring Framework for enterprise apps and REST APIs.
• Working knowledge of AWS cloud services and deployment practices.
• Experience with REST APIs, databases, source control and automated testing.
• Understanding of Agile, DevSecOps, CI/CD, microservices and secure SDLC.
• Strong analytical, troubleshooting and communication skills.
• Willingness to own services end-to-end from development to deployment, operations and continuous improvement.

Responsibilities

• Designing and developing front-end and back-end components, APIs and system integrations.
• Building and enhancing cloud-native services on AWS with managed services, microservices and event-driven patterns.
• Writing clean, testable and maintainable code; participating in code reviews and quality practices.
• Implementing automated unit, integration, security and performance testing in the delivery pipeline.
• Building and improving CI/CD pipelines, deployment automation and release processes.
• Implementing monitoring, logging, tracing and alerting for operations and incident response.
• Troubleshooting production issues; performing root-cause analysis and permanent fixes.
• Modernising services via refactoring, re-platforming, API enablement and cloud migration.
• Preparing technical documentation, runbooks and support procedures.
• Working in an Agile and DevSecOps environment and contributing to estimation, design, delivery and deployment.

Skills

Java

Spring Framework

REST APIs

AWS

CI/CD

DevSecOps

Microservices

Agile

Problem-solving

Cross-functional collaboration

Tools

Git

Job description

[What the role is]

PRINCIPAL / SENIOR / EXECUTIVE SOFTWARE ENGINEER

[What you will be working on]

You will design, develop, implement, modernise and operate digital services and supporting application components. You will work across the software delivery lifecycle and take hands-on responsibility for building secure, reliable and maintainable solutions using modern cloud and software engineering practices. You will work with product owners, solution architects, engineers and operational teams to translate service needs into working software and continuously improve the services after deployment. Your responsibilities include:

• Designing and developing front-end and back-end application components, APIs and system integrations.

• Building and enhancing cloud-native services on AWS using appropriate managed services, microservices and event-driven patterns.

• Writing clean, testable and maintainable code, and participating in code reviews and engineering quality practices.

• Implementing automated unit, integration, security and performance testing as part of the delivery pipeline.

• Building and improving CI/CD pipelines, deployment automation and release processes

• Implementing application monitoring, logging, tracing and alerting to support effective operations and incident response.

• Troubleshooting application and production issues, performing root‑cause analysis and implementing permanent fixes.

• Modernising existing services through refactoring, re-platforming, API enablement and progressive cloud migration.

• Preparing and maintaining technical documentation, operational runbooks and system support procedures.

• Working in an Agile and DevSecOps environment and contributing to estimation, design, delivery, deployment and operational support.

• Evaluating and applying AI-assisted software engineering tools where appropriate to improve productivity and software quality.

[What we are looking for]

• Knowledge in Information Technology, Computer Science, Software Engineering or a related discipline.

• At least 2 to 3 years of relevant experience in software development and implementation.

• Hands-on experience in front-end development and preferably full-stack development using modern frameworks and programming languages.

• Strong knowledge in Java, J2EE and the Spring Framework (e.g. Spring Boot) for developing, integrating and maintaining enterprise-grade applications and REST APIs.

• Working knowledge of AWS cloud services, cloud-native application patterns and deployment practices.

• Experience with REST APIs, system integration, databases, source control and automated testing.

• Understanding of Agile principles, DevSecOps, CI/CD, microservices and secure software development practices.

• Strong analytical, troubleshooting and problem-solving skills with attention to detail.

• Ability to work collaboratively in a cross-functional team and communicate clearly with technical and non-technical stakeholders.

• Willingness to take end-to-end ownership of services from development through deployment, operations and continuous improvement.