Systems that work —
and products I build.
Two registries: projects led for clients from architecture to maintenance, and my own apps and developer libraries.
Projects led.
Railway transport management system
A TMS for industrial sidings: electronic orders, wagon and work records, integrations with operator systems.
Systems for banking and insurance
Backend modules and integrations in high-audit environments — data processing, reporting, security.
Foundation portal with online payments
A fundraising site with Stripe payments, paywalled content and a safe editorial role. Pro bono work.
Platform for the agriculture sector
A system supporting operational processes in agribusiness.
Apps & libraries.
SweepSwap — SaaS for chimney-sweeping companies
A complete B2B platform across five subdomains: client panel, admin, helpdesk and API — entirely on .NET 10.
Dokobero — modular communication platform
Real-time chat (SignalR), a calendar with conflict detection and a personal area — multi-tenant.
Hermes Agent — AI agent orchestration
A custom agent-orchestration system on a homelab: the first run catalogued 82 repositories from two platforms.
.NET boilerplate with KSeF integration
A starter skeleton for a .NET business app with ready KSeF (Polish e-invoicing) integration.