Full Stack Developer

COMBUILDER PTE LTD; Singapore; On-site; SGD 60,000 - 120,000; Full time

Job summary

COMBUILDER PTE LTD is seeking a skilled Full Stack Developer to design, build, test and maintain web-based applications using modern front-end and back-end technologies. You will deliver responsive interfaces and robust server-side logic, APIs, and databases, in alignment with enterprise standards.

You will work across design, system integration, testing, deployment, and production support, ensuring code quality, secure SDLC practices, and timely resolution of issues.

Qualifications

• Diploma or Degree in Computer Science, Information Technology, Software Engineering, Computer Engineering, or related discipline.
• 3 to 5 years of hands-on full stack development experience.
• Candidates with more experience may be considered for Senior Full Stack Developer or Technical Lead roles.
• Relevant certifications in cloud, software development, cybersecurity, or Agile delivery will be an advantage.

Responsibilities

• Working application features based on approved requirements.
• Clean, maintainable, and well-documented source code.
• API services and integration components.
• Database scripts and data-related changes.
• Unit test results and support for SIT/UAT defect resolution.
• Deployment support and release documentation.
• Timely resolution of technical issues and production defects.

Skills

Frontend frameworks React/Angular/Vue

Backend technologies Java/.NET/Node.js

REST API design

Security awareness

DevOps awareness

Education

Diploma or Degree in CS/IT/SE

Tools

Git

Jira/Azure DevOps/Confluence

Docker/Kubernetes

CI/CD tools

Job description

Key Responsibilities

• Design, develop, test, and maintain web-based applications using modern front-end and back-end technologies.
• Build responsive, user-friendly interfaces based on business and UX requirements.
• Develop robust server-side logic, APIs, integrations, and database components.
• Ensure applications are scalable, maintainable, secure, and aligned with enterprise architecture standards.

Application Development

• Design, develop, test, and maintain web-based applications using modern front-end and back-end technologies.
• Build responsive, user-friendly interfaces based on business and UX requirements.
• Develop robust server-side logic, APIs, integrations, and database components.
• Ensure applications are scalable, maintainable, secure, and aligned with enterprise architecture standards.

System Integration

• Develop and consume RESTful APIs and web services for integration with internal and external systems.
• Work with databases, middleware, workflow platforms, and third-party services where required.
• Support integration with enterprise platforms such as identity management, document management, workflow engines, reporting tools, or cloud/on-premise infrastructure.

System Integration

• Develop and consume RESTful APIs and web services for integration with internal and external systems.
• Work with databases, middleware, workflow platforms, and third-party services where required.
• Support integration with enterprise platforms such as identity management, document management, workflow engines, reporting tools, or cloud/on-premise infrastructure.

Testing and Quality Assurance

• Perform unit testing, integration testing, and support system testing, SIT, and UAT activities.
• Troubleshoot defects and production issues in a timely and structured manner.
• Ensure code quality through peer reviews, proper documentation, and adherence to coding standards.

Deployment Support

• Support application deployment across development, test, staging, and production environments.
• Work with DevOps, infrastructure, cybersecurity, and operations teams to ensure smooth release management.
• Maintain application configuration, environment setup, and deployment documentation.

Security and Compliance

• Apply secure coding practices and comply with organisational cybersecurity requirements.
• Support vulnerability remediation, code scanning, penetration test fixes, and audit-related activities.
• Ensure proper handling of sensitive data, authentication, authorisation, logging, and access control.

Production Support

• Provide technical support for production applications including incident investigation and resolution.
• Monitor application health, performance, and logs where applicable.
• Support change requests, enhancements, bug fixes, and preventive maintenance.

Required Technical Skills

Front-End Development

• Proficiency in one or more modern front-end frameworks such as: React.js, Angular, Vue.js
• Strong knowledge of: HTML5, CSS3, JavaScript / TypeScript, Responsive web design, UI component libraries and design systems

Back-End Development

• Strong experience in one or more back-end technologies such as: Java / Spring Boot, .NET / C#, Node.js, Python
• Experience developing REST APIs, microservices, or service-oriented applications.
• Good understanding of authentication, authorisation, session management, and API security.

Database

• Experience with relational databases such as: PostgreSQL, MS SQL Server, Oracle, MySQL
• Ability to write and optimise SQL queries, stored procedures, and database scripts.
• Understanding of data modelling and database design principles.

Tools and Platforms

• Experience with source control tools such as Git.
• Experience with issue tracking and collaboration tools such as Jira, Azure DevOps, Confluence, or similar.
• Familiarity with containerisation technologies such as Docker or Kubernetes will be an advantage.
• Familiarity with CI/CD tools and deployment pipelines will be an advantage.

Preferred Experience

• Experience working in government, defence, public sector, or enterprise system environments.
• Experience with secure or restricted environments, including on-premise deployments.
• Experience with application modernisation, migration, or system integration projects.
• Knowledge of cybersecurity practices, vulnerability remediation, and secure SDLC processes.

The Full Stack Developer will be expected to deliver:

• Working application features based on approved requirements.
• Clean, maintainable, and well-documented source code.
• API services and integration components.
• Database scripts and data-related changes.
• Unit test results and support for SIT/UAT defect resolution.
• Deployment support and release documentation.
• Timely resolution of technical issues and production defects.

Qualifications

• Diploma or Degree in Computer Science, Information Technology, Software Engineering, Computer Engineering, or related discipline.
• 3 to 5 years of hands-on full stack development experience.
• Candidates with more experience may be considered for Senior Full Stack Developer or Technical Lead roles.
• Relevant certifications in cloud, software development, cybersecurity, or Agile delivery will be an advantage.