Full Stack Developer: Modernize Systems & APIs

Tap Growth ai; Singapore; On-site; SGD 90,000 - 140,000; Full time

Job summary

Tap Growth ai is seeking a Mid to Senior Full Stack Developer to design, develop, and maintain scalable applications supporting business operations. The role covers frontend and backend work, API integrations, data migration, and modernization while collaborating with cross-functional teams to deliver reliable solutions.

The ideal candidate will have 4+ years (mid) or 7+ years (senior) of experience, with a strong emphasis on Java-based ecosystems, API development, SQL/Sybase, and cloud

Qualifications

• Proficiency with Java-based stacks and related frameworks is required.
• Strong SQL and Sybase database skills with data query and maintenance experience.
• Experience designing and consuming APIs, plus system integrations across services.
• Hands-on data migration activities, tooling, and validation processes.
• Basic to solid understanding of cloud platforms; Azure is preferred.
• Demonstrated problem-solving, debugging, and troubleshooting abilities.
• Experience with system migration or modernization initiatives is a plus.
• Exposure to enterprise-scale applications or public sector projects is advantageous.
• Familiarity with Agile delivery environments and collaborative work styles.

Responsibilities

• Design, develop, deploy, and maintain full stack applications aligned with business needs.
• Translate functional requirements into practical technical solutions.
• Build workflows, forms, and integrations to improve business processes.
• Develop and integrate backend services and APIs.
• Perform testing, debugging, and ongoing application support.
• Ensure code quality, performance, security, and maintainability.
• Support enhancements, bug fixes, and continuous improvements.
• Collaborate with stakeholders, business analysts, and solution architects.
• Maintain technical documentation and follow development best practices.
• Take ownership of modules and contribute to end-to-end delivery.
• Design and execute data migration activities with data integrity checks.
• Analyse legacy data structures and map to target models.
• Develop and optimise data migration scripts and pipelines.
• Validate migrated data through reconciliation and quality checks.
• Support cutover planning and execution.

Skills

Java-based development environments

SQL & Sybase databases

API development & system integrations

Data migration activities/tools

Cloud platforms (Azure)

Problem solving & troubleshooting

System migration/modernization

Enterprise-scale/public sector exp

Agile development

Job description

Tap Growth ai is seeking a Mid to Senior Full Stack Developer to design, develop, and maintain scalable applications supporting business operations. The role covers frontend and backend work, API integrations, data migration, and modernization while collaborating with cross-functional teams to deliver reliable solutions.

The ideal candidate will have 4+ years (mid) or 7+ years (senior) of experience, with a strong emphasis on Java-based ecosystems, API development, SQL/Sybase, and cloud