[LTA-DPO] SENIOR / EXEC / ENGINEER, SYSTEM DEVELOPMENT (BACK OFFICE)

Land Transport Authority; Singapore; On-site; SGD 110,000 - 170,000; Full time

Job summary

Land Transport Authority in Singapore is seeking a Software System Engineer (Back Office System) to modernise the AFC backend, design, migrate, build, test, deploy and support secure applications on AWS in the GCC environment. You will work with cross-functional teams to understand business processes, resolve issues and contribute to mission-critical systems handling high-volume transactions.

A minimum of three years in software development with Java, Spring, AWS and cloud-native practices is

Qualifications

• At least three years of software development experience with full SDLC and documentation.
• Hands-on development and support of Java applications using Spring Framework and Spring Boot.
• Experience with AWS services (EKS, DynamoDB, RDS) and cloud deployment in GCC environments.

Responsibilities

• Analyse requirements, design, develop, test and maintain the applications.
• Prepare and maintain software lifecycle deliverables, including documentation and interface specifications.
• Troubleshoot production and test-environment issues and improve application quality and performance.
• Collaborate with other developers, users and testers to resolve design or testing issues.

Skills

Java development

Spring Framework

Spring Boot

AWS services

Java 21+

Tools

Kubernetes

Amazon EKS

DynamoDB

RDS

PostgreSQL

MQTT

Solace

IBM MQ

GitLab CI/CD

Job description

What the role is:

Software System Engineer (Back Office System)

What you will be working on:

You will be part of the back-office development team to be involved in the software modernisation of the Automated Fare Collection (AFC) backend system supporting Singapore's public transport network. You will help design, migrate, build, test, deploy and support secure and reliable applications on AWS in the Government on Commercial Cloud (GCC) environment. You should be comfortable learning business processes, working with different teams and resolving issues.

What You'll Do:

• Analyse requirements, design, develop, test and maintain the applications.


• Prepare and maintain software lifecycle deliverables, including requirements, software architecture and design documents, interface specifications, source code, testing specifications, operations and maintenance manuals, training manuals and other documentation required under the Authority’s adopted standards.


• Troubleshoot production and test-environment issues, investigate defects and improve application quality and performance.


• Collaborate with other developers, users and testers to clarify requirements and resolve design or testing issues.

What we are looking for:

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

Experience in:

• At least three years of software development experience, including one full SDLC and preparation of related documentation.


• Hands-on development and support of Java applications using Spring Framework and Spring Boot.


• Experience with AWS services such as Amazon EKS, DynamoDB and RDS.

Knowledge of:

• Modern Java, preferably Java 21 or later.


• Containerised applications, Kubernetes and GitLab CI/CD.


• PostgreSQL, database transactions and batch processing.


• MQTT and messaging platforms such as Solace and IBM MQ.

Added advantages:

• Experience in GCC or another regulated cloud environment.


• Experience with AFC, high-volume transactions or other mission-critical systems.


• Experience with Dynatrace for application monitoring.


• Skills in creation of application-monitoring dashboards and data analysis.


• Knowledge of cloud security, including least-privilege access, encryption, secrets management, secure APIs, vulnerability scanning and remediation.


• Familiarity with the responsible use of AI-assisted coding tools, such as GitHub Copilot and Claude Code.

Good written and verbal communication skills in English.

As part of the shortlisting process for the role, you may be required to complete a medical declaration and / or undergo further assessment.

About Land Transport Authority

The Land Transport Authority (LTA) is a statutory board under Ministry of Transport that spearheads land transport developments in Singapore. We are seeking dynamic, energetic, highly motivated, passionate and qualified professionals to join us.Many opportunities & challenges await those who are keen on an exciting career to realise our commitment to envision & implement an integrated transport system.