Full case studies: problem, architecture, technical decisions and results.
All-in-one fitness mobile app (workouts, nutrition, social, AI coaching) for iOS and Android, built solo from the database to the app store release.
AI-native university study platform with RAG on pgvector and entirely self-hosted AI infrastructure, built solo end-to-end.
Multi-account, multi-currency personal finance app with a self-hosted AI advisor, built to answer real questions about managing your own money.
Self-hosted physical transformation tracker, redesigned mid-flight from single-user to multi-user with full data isolation.
The site you're looking at: a full-stack portfolio with its own headless CMS and a hand-built 3D hero scene, not a template.
Modular SaaS management software for restaurants and hotels, cryptographically licensed (Ed25519): from the dining room to the kitchen, from hotel check-in to sales reports, ~215 automated tests.
Self-hosted project management in the style of Linear/Huly for small technical teams: Kanban board, automations, GitHub/Gitea webhooks, public API — zero SaaS dependencies, all in Docker Compose.
