Fullstack Developer

• Develop, maintain, and enhance existing applications, including Health Mobile Application, Health CMS, Hotline Application, ActivityLog System, and Care General Insurance System. • Perform application migration from legacy frameworks to newer technologies. • Develop and maintain web applications, backend services, APIs, and middleware systems. • Develop and enhance mobile applications for Android and iOS using Flutter & Dart. • Perform application monitoring, troubleshooting, debugging, deployment, updates, and maintenance. • Handle mobile application release management and publishing to Google Play Store and Apple App Store. • Manage system integration projects with Core Systems and other related applications. • Develop new applications, features, and reports based on business and user requirements. • Implement AI solutions in business workflows, including Agentic AI and integration with existing systems. • Conduct periodic application security enhancements to ensure system security, performance, and code quality. • Maintain technical documentation, application versioning, administration, and monthly project status reports. Qualifications • Bachelor's Degree (S1) in IT, Computer Science, or related fields. • Minimum 6 years of experience in application development, maintenance, and system integration. • Strong proficiency in C#, ASP.NET Core / .NET Core MVC, OOP, and Entity Framework/Core. • Experienced in API development, system integration, and full-stack development. • Experienced in Flutter & Dart for Android and iOS application development. • Proficient in SQL Server, including query optimization, stored procedures, and database management. • Good understanding of application security, secure coding practices, OWASP Top 10, and application performance. • Familiar with Firebase, GitHub, Docker, Cloud Services, and SAST tools (SonarQube, Veracode) is an advantage. • Understanding of AI/Agentic AI, LLM, RAG, and AI integration with existing systems is an advantage. • Experience in Health or General Insurance System development is an advantage. • Good English communication, problem-solving, documentation, and project management skills. • Able to work independently or in a team, work under pressure, and meet project deadlines.