Available for new work

I turn everyday work into useful software.

From personal finance and club administration to infrastructure inventories and email security. I build the application, connect the data, and keep it running.

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Projects

Fortuna

A personal-finance workspace connecting accounts, cashflow, contracts, assets, and net worth, with a scoped assistant interface.

TypeScriptTanStack StartPostgreSQLBun
Code

Kontor2

A multi-tenant club back office with members, families, SEPA billing, invoices, correspondence, self-service, and audit history.

TypeScriptTanStack StartPostgreSQLBun
CodeLive

Kataster

An infrastructure register connecting discovery, ownership, monitoring, provider costs, contracts, and invoice preparation.

TypeScriptTanStack StartPostgreSQLBullMQ
Code

Rendant

Club finance administration linking cash counts, numbered receipts, tax analysis, historical imports, and traceable corrections.

TypeScriptTanStack StartPostgreSQLBun
CodeLive

Sigil

A mail-security dashboard that ingests DMARC and TLS reports, groups sending sources, and checks email-authentication DNS records.

FastAPIReactPostgreSQLDocker
Code

DiaTrack

A sensor and catheter tracker with replacement countdowns, email reminders, device history, and failure statistics.

TypeScriptTanStack StartPostgreSQLBun
Code
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Get in touch

Happy to talk about a useful application, a complex workflow, or the infrastructure behind it.

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