Raj Kumar Timalsina

Full-stack real-time ride-sharing ecosystem with geospatial driver discovery and live tracking

Solves live geospatial driver matching and stale driver tracking using Redis GEO and Redis Sorted Sets, with background GPS via native Android Foreground Services.

Full-stack mobile learning ecosystem with automated certification & payments

Enables frictionless learning and automated course completion validation by integrating secure Stripe payments and Firebase Cloud Messaging for instant notifications.

Production-ready REST API for collaborative workspaces, projects & task management

Provides teams with a centralized platform for organizing projects and tasks, managing workspace collaboration, tracking activities, and keeping members informed through notifications.

High-performance job discovery & applicant matching mobile platform

Solves slow search and query bottlenecks by architecting a MongoDB backend with compound indexing, paired with instant category and location filters.

End-to-end mobile ordering system with live tracking and promo logic

Streamlines user ordering workflows through modular backend API design, automated promo calculation, and real-time order delivery notifications.

Doorstep vehicle servicing and maintenance booking platform

Eliminates scheduling friction between vehicle owners and mechanics with instant slot reservation, service quotation calculations, and transparent progress tracking.