https://khalilcharfi.com Latest projects, publications, and updates from Khalil Charfi. en-us Sat, 27 Jun 2026 23:42:46 GMT https://khalilcharfi.com Launched a new multilingual portfolio website showcasing my engineering approach, projects, and professional experience. Sat, 27 Jun 2026 23:42:46 GMT portfolio-launch https://khalilcharfi.com/#projects Context: Collaborative project within Germany's leading comparison portal. Challenge: Legacy PHP templates made the checkout flow slow and harder to maintain. Contribution: Migrated parts of the frontend to Vue.js components and integrated core REST APIs. Outcome: Helped streamline the checkout user flows and improved frontend rendering times. Sat, 27 Jun 2026 23:42:46 GMT check24-bicycle-insurance-portal https://khalilcharfi.com/#projects Context: B2B interior design and order-management application. Challenge: Sales agents in remote areas with unstable internet needed to work reliably without losing orders. Contribution: Implemented CouchDB/PouchDB synchronization for offline storage and replication. Outcome: Enabled reliable offline functionality, helping agents submit orders consistently. Sat, 27 Jun 2026 23:42:46 GMT cover-3d-mobile-asm- https://khalilcharfi.com/#projects Context: Multi-tenant loyalty and digital reward applications for merchants. Challenge: Transitioning physical rewards to digital systems smoothly for both merchants and users. Contribution: Developed Flutter client applications and integrated Firebase for real-time status updates. Outcome: Provided a reliable platform for local vendors to manage digital loyalty programs. Sat, 27 Jun 2026 23:42:46 GMT 3andi-3andi-partner-asm- https://khalilcharfi.com/#projects Context: Inventory and sales automation tools for retail networks. Challenge: Aligning stock data between sales representatives and central warehouse systems in real time. Contribution: Built Flutter and Ionic apps connected to Laravel-based REST API backends. Outcome: Helped improve data consistency and reduced synchronization issues for warehouse teams. Sat, 27 Jun 2026 23:42:46 GMT business-mobility-suite-asm- https://khalilcharfi.com/#projects Context: Public transit navigation and scheduling application. Challenge: Providing live schedules using noisy GPS data streams without overwhelming mobile connections. Contribution: Designed a GraphQL caching pipeline and integrated Mapbox GL JS for map rendering. Outcome: Delivered transit maps and timetables to commuters with reliable timing estimates. Sat, 27 Jun 2026 23:42:46 GMT public-transportation-app-mybus-