Description:I led the end-to-end development of a sophisticated Energy Management System (EMS) that serves as the central control and data visualization platform for multiple energy storage devices. My responsibilities spanned architectural design, full-stack development, testing, deployment, and maintenance.Key Achievements:- Backend Development: Engineered a robust RESTful and WebSocket backend using Python and FastAPI.- Frontend Development: Crafted a dynamic and responsive front end with React, TypeScript, and Ant Design, enhancing user experience and interaction.- Database Management: Implemented a PostgreSQL database for relational data and integrated InfluxDB for time-series data management.- Data Visualization: Utilized Grafana to create intuitive and real-time dashboards.- CI/CD and Deployment: Created and maintained CI/CD pipelines with Bitbucket, Docker, and Jenkins, ensuring smooth and continuous integration and delivery on AWS.- IoT Integration: Developed seamless interaction between AWS IoT and edge devices.This experience honed and validated my full-stack development skills, demonstrating my ability to independently complete an entire React and Python full-stack project, covering all aspects from design, frontend, backend, and data management to CI/CD.

Led design/development of mobile app plugin management system. Handled Spring backend and React frontend development. Utilized PyQt for client packaging Apps. Supported dozens of apps with DAU over a million.

Developed billing module for large-scale telecoms rating and billing system for Thailand and Nepal. Implemented efficient, scalable billing system in C++ for voice/data traffic costs and tariff management.