SFI Group Ltd
CurrentSr Full Stack Developer
Enterprise Operations Platform
- Owned end-to-end development of full-stack enterprise applications covering quoting, scheduling, payroll, inventory, and warehouse operations
- Designed and developed backend services and RESTful APIs using Java and PHP (Laravel), consumed by React and Vue frontends
- Maintained and extended a React Native mobile application used by field operations staff for real-time job tracking and scheduling
- Re-architected legacy monolithic modules into modular, maintainable components — significantly improved system stability and scalability
- Optimized SQL queries, indexes, and schemas — reduced high-latency database operations by ~30%
- Built asynchronous background processing pipelines for reporting, exports, and long-running operational workflows
- Implemented Redis caching strategies to improve performance of frequently accessed data
- Integrated cloud services across AWS (EC2, S3) and Azure; containerized applications using Docker and Kubernetes