Younes Guigaho

Delivered backend systems for multiple client projects across SaaS and European-market operational workflows. Architected and built VisionFill for Vitronic (Germany), a Spring Boot platform that corrects camera-scanned package data via JSON/XML ingestion, configurable field mappings, and downstream REST exports; acted as product manager and led frontend coordination. Implemented multi-tenant JWT auth, RBAC, and concurrency-safe operator/validator workflows, reducing duplicate handling by ~60% and improving correction turnaround by ~30%. Built SmanFarm, a multi-tenant SaaS platform for farm management with revenue/expense tracking, real-time updates via WebSockets, online payments, and a full React dashboard. Developed tec4kidz.com, a course purchasing platform with custom transactional email automation, user enrollment flows, and payment integration. Contributed to a stock management system handling 10,000+ products across 20+ warehouses, designing scalable inventory APIs and relational data models.

Scaled backend systems supporting 6.3K+ active users and 200–300 daily ride requests across production mobility platforms. Built Google Maps API observability, caching, and cost-control systems to improve backend performance and reduce external API spend. Enhanced dispatch reliability through audit logging, pricing engine improvements, Firebase/FCM diagnostics, and admin analytics dashboards. Implemented WhatsApp-based OTP authentication and owned full infrastructure: server setup, DNS, SSL, CI/CD, and transactional email systems. Owned full-stack delivery across backend APIs, admin tools, infrastructure, CI/CD, authentication, and production deployments.