Full Stack Engineer - A26090

Activate Interactive Pte Ltd (Activate) is a leading technology consultancy headquartered in Singapore with a presence in Malaysia and Indonesia. Our clients are empowered with quality, cost-effective, and impactful end-to-end application development, like mobile and web applications, and cloud technology that remove technology roadblocks and increase their business efficiency.

We believe in positively impacting the lives of people around us and the environment we live in through the use of technology. Hence, we are committed to providing a conducive environment for all employees to realise their full potential, who in turn have the opportunity to continuously drive innovation.

We are searching for our next team members to join our growing team.

If you love the idea of being part of a growing company with exciting prospects in mobile and web technologies that create positive impact on people's lives, then we would love to hear from you.

Co-Development Business Unit is hiring for Full Stack Engineer

You will work in Singapore Government Agencies

Internal Code: A26090

This is a fixed term contract role. The engagement is 2 years.

What will you do

The Full Stack Engineer is responsible for maintaining, supporting, and modernising existing web applications and enterprise systems. The role requires expertise in legacy and modern technologies, system integration, and gradual modernisation approaches while ensuring system stability, security, and performance. Engineers must work in a collaborative environment, focusing on system reliability, incident resolution, change management and dependency management.

• Take ownership of system maintenance, including change requests, bug fixes, performance optimisation, and system stability improvements.
• Maintain and enhance existing web applications, including carrying out thorough impact assessment for any change requests.
• Support production systems, including incident response and root cause analysis.
• Work with operations teams to ensure system monitoring, backup procedures, and disaster recovery capabilities.
• Ensure system security through implementing fixes from security vulnerabilities identified during source code review, open source analysis, vulnerability assessment, penetration testing and other security tests.
• Document existing systems and create knowledge transfer materials for legacy codebases.
• Analyse existing system dependencies and requirements to plan and implement modernisation roadmaps.

What are we looking for

• Degree in Computer Science, Computer or Electronics Engineering, Information Technology, or related disciplines, or equivalent practical experience.
• Minimum 3-5 years experience in developing, maintaining and supporting enterprise systems.
• Experience with version control systems (Git, SVN).
• Strong troubleshooting and debugging skills.
• Strong understanding of impact of changes on live systems in production.
• Java with experience in older versions (e.g. Java 8).
• Spring Framework.
• Oracle WebLogic Server administration, deployment, and troubleshooting.
• Web Storage Tchnologiesd such as LocalStorage and Cookies.
• Oracle Database and Sybase Database, with experience in troubleshooting existing procedures.
• Apache Struts, JSF, or other Java web frameworks.
• JSP, JSTL (JSP Standard Tag Library), jQuery.
• SiteMinder/LDAP/Active Directory integration for authentication and authorisation.
• File-based integrations and SFTP.
• Batch processing frameworks and scheduled job management.
• Basic Linux/Unix system administration for application deployment and troubleshooting.

Modernisation & Migration:

• API development
• Microservices architecture
• Containerisation and container orchestration
• Modern frontend and backend frameworks such as React and Spring Boot
• Knowledge and experience with cloud deployments and products
• Good understanding of modern authentication and authorisation frameworks such as OIDC and experience with implementation

Security & Compliance:

• Experience with Source Code Review and Open Source Analysis
• Familiar with security best practices
• Experience with government or highly regulated industry systems.
• Experience with modernisation or redevelopment projects.
• Experience with event driven solutions such as Solace.
• Experience with using Azure DevOps (e.g. Azure Boards, Azure Pipeline).

What do we offer in return

• Fun working environment
• Employee Wellness Program
• To work in Singapore Government Agencies projects
• We provide structured development framework and growth opportunities. (We are a SHRI 2025 Gold winner in Learning & Development Coaching & Mentoring)

Why you'll love working with us

If you are looking for opportunities to collaborate with leading industry experts and be surrounded by highly motivated and talented peers, we welcome you to join us. We provide all employees with equal opportunities to grow and develop with us. We believe your success is our success.

Activate Interactive Singapore is an equal opportunity employer. Employment decisions will be based on merit, qualifications and abilities. Activate Interactive Pte Ltd does not discriminate in employment opportunities or practices on the basis of race, colour, religion, gender, sexuality, national origin, age, disability, marital status or any other characteristics protected by law.

Protecting your privacy and the security of your data are longstanding top priorities for Activate Interactive Pte Ltd.

Your personal data will be processed for the purposes of managing Activate Interactive Pte Ltd's recruitment related activities, which include setting up and conducting interviews and tests for applicants, evaluating and assessing the results, and as is otherwise needed in the recruitment and hiring processes.

Please consult our Privacy Notice () to know more about how we collect, use, and transfer the personal data of our candidates. Here you can find how you can request for access, correction and/or withdrawal of your Personal Data.