Infrastructure deployed and maintained in production.

A toolkit born from a real incident: a hosting account with 24 sites and 51 databases under sustained unauthorized access.

Self-hosted web app to run a Telegram bot without touching code: bulk messaging, templates, and a rate-limit-aware queue.

Self-hosted streaming platform with a catalog of nearly 7,000 titles, adaptive HLS streaming, and a "continue watching" feature.

Custom platform to organize and publish a catalog of thematic resources, built for a communications organization — Django REST Framework, Meilisearch, and Next.js.

FastAPI backend that ingests market candles from a MetaTrader 5 Expert Advisor and serves predictions from an XGBoost model trained with walk-forward methodology.

A functional Monero wallet without syncing the full blockchain: monero-wallet-rpc connected to a trusted remote node, with a custom Node.js/Express admin interface.

End-to-end crypto betting platform: multiplier game engine with Monte Carlo-validated bonuses, LNURL auth, and a custom BTCPay Server checkout.