Szczecin, Poland. Remote, in Polish, German and English.
I build the whole product, not a piece of it.
Database, backend, interface, deployment. Four things I built are running live right now, with real users and my own name on the terms of service. Open any of them before you write to me.
Panel Biznesu
A website builder for small service businesses. You pick your trade, the copy is already written, and you edit the page the way you edit a slide deck: pages on the left, the real page in the middle, settings on the right. You approve it before you pay.
Open the configurator- Astro front end, Hono API on Cloudflare Workers, SQLite at the edge.
- Polish, English and German, with the legal pages each market needs.
- After launch the owner edits text and photos without calling me.
- Offers and billing documents generated as PDF from the same data.
AstroTypeScriptHonoCloudflare WorkersD1R2
Planer Operacyjny
Scheduling for field service companies. The dispatcher drags jobs onto a crew calendar and sees every technician on one map; the technician keeps working on a phone with no signal. Recurring inspections, deadline alerts and the inspection report as PDF.
- Two factor login, nightly backups, a status page and my own health pinger.
- Terms, privacy policy, data processing agreement and SLA in three languages.
- Tested end to end in Playwright before every deployment.
TypeScriptCloudflare Pages FunctionsD1R2LeafletPlaywright
Algebra i Spółka
A maths platform for Polish exam students. 49 exam papers mark themselves and uncover the solution one step at a time, the whiteboard draws plots and 3D solids, and the lesson runs with video in the same browser tab.
- 1031 tasks, every solution verified in two independent maths engines.
- Lesson room with video, a shared whiteboard and a cursor both sides can see.
- Payments, bookings and a tutor panel; a student needs no account to work on a paper.
ReactTypeScriptPythonFlaskSupabaseWebRTC
Duostrings
A site for a live music duo with a small CRM behind it. The owner sends a personalised PDF offer in two clicks, sees when the client opened it and moves the enquiry along a pipeline. The public side is bilingual and edits itself from the panel.
- Generator of personalised PDF offers and message templates.
- Open tracking, a sales pipeline and a content editor for the owner.
- Polish and German, booking calendar, repertoire and recordings.
Next.jsTypeScriptCloudflareD1R2
How I work
You talk to the person who designs the product and answers for it, not to an account manager. I send something you can click early rather than a status report, I give a date I can keep, and when something slips you hear it from me in advance, not on the deadline.
- Business websites and landing pages
- Astro or React, your own domain, forms that arrive, language versions, structured data for local search, and a panel where you change text and photos yourself.
- Web applications
- Scheduling, customer and equipment records, roles and permissions, two factor login, PDF generation, recurring jobs and alerts. Built to be run by people who are not developers.
- Python integrations and automation
- Pulling data from an API into a database or a warehouse, incremental loads that survive a failed run, file processing, migrations. Logging on every run, an alert after two failures in a row.
Tell me what you need built.
Two or three sentences about the job, the deadline you have in mind, and a link if something already exists. You get a straight answer on whether I am the right person, usually the same day.
kontakt@panelbiznesu.pl- Languages
- Polski, Deutsch (C1), English
- Billing
- Contract for a specific task, invoiced through Useme
- Where
- Szczecin, Poland. Remote, and on site near the German border