Çağlar TUFAN

• Built highly interactive GIS modules using React, SCSS, JS/TS, Node.js/Express.js, MongoDB/Mongoose ORM. • Designed and implemented report template designer and generation module using React and Fabric.js with export support in various formats (PDF, PPTX, images, JSON). • Implemented offline-first, interactive 2D/3D shapes drawing (annotation) feature on the map/globe. • Developed BI module with customizable layout dashboard designer and various chart types (Pie, Line, etc.) and data source support.

• Contributed to SaaS LMS software’s development using MySQL, MongoDB, PHP/Laravel, HTML, CSS, JS/jQuery, Bootstrap 5. (https://www.campusonline.com/) • Implemented multi-language support using Laravel. • Built modern course-watching UI with Q&A, announcements, and course materials features. • Integrated Elasticsearch for fast and accurate full-text search, reducing server load

• Designed and developed Ankara Allergic Pollen Bulletin (https://polenalerji.ankara.edu.tr/) website and CMS features with administration dashboard using HTML, SCSS, JS, PHP from scratch. • Developed CRON jobs to daily aggregate and store forecast data provided by MGM (General Directorate of Meteorology).

• Developed real-time, cloud-based website performance and SEO analysis software. • Integrated DigitalOcean Spaces (S3 CDN) for optimized static asset delivery load balancing. • Integrated Digital Ocean Droplets (compute instances) that ran Chromium and Chrome DevTools Protocol to load balance queued report creation processes. • Developed REST API (Node.js/Express.js) and real-time WebSocket server (Socket.io) to enable real-time client-server communication.