The Spirit World

Singtecs Co., Ltd (Singapore) — Remote

Developed production applications using React, Next.js, Flutter, React Native and backend services with Node.js (NestJS, Express.js) and Laravel.

• ✦Designed and implemented APIs, database structures (MySQL, MongoDB, PostgreSQL), and system workflows for internal and clinical platforms.
• ✦Built cross-platform features for web and mobile with consistent data integration and end-to-end delivery.
• ✦Integrated AI-powered chat and automation features into internal tools.
• ✦Maintained and optimised production systems including debugging, performance tuning, and feature enhancements.

Smthgood Co. (Singapore) — Remote

Migrated an existing Flutter mobile application into a scalable web platform using Next.js.

• ✦Built seller dashboards and admin systems with improved workflows and usability.
• ✦Integrated frontend systems with backend APIs and improved data flow.
• ✦Managed deployment pipelines and infrastructure using AWS and CI/CD (GitHub Actions, GitLab CI).
• ✦Contributed to system architecture and performance optimisation.

EfficientSoft Co., Ltd — Onsite

Built QuickFood Rider and QuickFood Merchant mobile applications from scratch using Flutter, deployed to Google Play Store and App Store.

• ✦Implemented authentication, order management, support messaging, and navigation.
• ✦Integrated backend APIs for payments, chat-messaging, and platform services.
• ✦Implemented location tracking and real-time communication using WebSocket.
• ✦Optimised application performance and implemented deep linking for navigation.