Handy Celestin

Contribute to the development and maintenance of a web-based solar energy engineering platform across backend functionality, frontend integration, external services, data processing, and document generation. Develop and maintain backend functionality using Python and Flask, including application logic for solar energy studies and economic calculations. Independently implemented SwitchGrid integration to connect external services with application workflows. Integrate third-party services and APIs (including PVGIS) and work with structured JSON data. Improve frontend interactions and modal layouts using JavaScript. Generate and improve PDF reports and Excel exports for technical studies and project documentation. Investigate and resolve application bugs across multiple application layers using Git/GitHub for version control and branch management.

Designed, developed, and maintained scalable web applications using JavaScript, Python, and Flask. Built interactive data visualization components, integrated API services, and implemented dynamic graphics using HTML5 Canvas and SVG to improve functionality, workflow efficiency, data accessibility, and user engagement.

Provide technology support and troubleshoot computer and software issues for clients. Assist with computer maintenance and software configuration. Create graphic design materials for business communication and digital marketing. Identify client needs and recommend practical technology and design solutions.