
Private VPN Service on a Self-Healing Mesh Network
Commercial private VPN service, solo: self-healing mesh backbone with latency-based routing, a control panel built from scratch, automated config delivery.
Projects, thoughts, tutorials, and insights

Commercial private VPN service, solo: self-healing mesh backbone with latency-based routing, a control panel built from scratch, automated config delivery.

Family expense tracker for ~2,000 users (2022–2025): Node.js backend, the first React web interface, MySQL performance work, devops.

Network management platform for a mobile operator's Ericsson and Nokia networks: KPI analytics, with the worst-case query cut from ~800s to ~25s.

Competitor price monitoring across 10 stores, supplier price-list imports, and safe automated repricing for a 21,000-product OpenCart shop.

How I expose a local dev or ops service to the internet: a router NAT rule (MikroTik), SSH reverse tunnels and free relays (pinggy, localhost.run, serveo), nftables/iptables, and ready-made tunnels — localtunnel, cloudflared, ngrok.

A bilingual personal website and blog built with Next.js and PayloadCMS, self-hosted on a VPS with Docker — portfolio, posts, and a custom admin.