Senior Full-Stack & Backend Engineer

Developer for the railway infrastructure diagnostics industry processing high-volume acquisition data from track geometry sensors and linear camera hardware. Architected and shipped a multitenant B2B platform using Next.js 14, TypeScript, Prisma ORM, and PostgreSQL with granular RBAC and real-time data visualization. Built a Python CLI toolchain integrating with legacy C++ software to automate diagnostic report generation, saving 6–8 weeks of rewrite effort and reducing manual reporting time by 80%. Led TypeScript migration, rewrote the full JavaScript codebase to strict TypeScript. Owned Docker/Nginx infrastructure achieving 99.9% uptime and automated deployments via CI/CD. Diagnosed and fixed critical data-pipeline bugs using advanced graph-traversal algorithms. Designed geo-distributed file storage with AWS S3 and MinIO to reduce latency and ensure data residency compliance. Served as primary technical contact for global enterprise clients. Built reliable data pipelines for railway acquisition datasets including AI-assisted tunnel defect detection.

Developed end-to-end e-commerce and web platforms for SMEs across Italy. Worked on 6+ custom e-commerce platforms using Node.js, TypeScript, and React; integrated Stripe payments and third-party logistics APIs. Improved Lighthouse/PageSpeed scores by 35% through PostgreSQL index optimization, server-side caching with Redis, and asset pipeline improvements. Managed full project lifecycle solo including UX prototyping, full-stack development, server provisioning, and deployment.

Modernized print-based workflows and introduced digital-first tooling. Built custom internal management tools using JavaScript and PHP to replace manual production-tracking spreadsheets, reducing reporting overhead for a team of 10. Maintained corporate IT infrastructure and introduced version-controlled web assets, significantly cutting design iteration cycles.