Web scraping
Collecting data from websites and delivering it clean, as CSV, Google Sheets or JSON.
Dominik Śliwiński · Open to quick tasks and small projects
I’m open for your work
Web scraping, automation, API integrations, scripts and fixes in existing code. I work in TypeScript with AI-assisted development (Claude Code), and I built and sold a SaaS product before that. Also open to longer B2B engagements.
Get in touchWhat I can help with
Small, well-defined tasks with a clear result.
Automation & scripts
Replacing repetitive manual work with scripts and small integrations.
API integrations
Connecting services and syncing data between them.
Fixes in existing code
Bugs and small changes in TypeScript, JavaScript, PHP and WordPress projects.
Small websites
Simple, fast sites and landing pages built with Astro or Svelte.
Data cleaning with AI
Turning messy, inconsistent text into structured data.
What I work with
Earlier experience: PHP and WordPress.
- Claude Code
- AI-assisted development
- TypeScript
- Bun
- Svelte
- Docker
- Firebase
- Google Cloud
- Web scraping
- Automation
Selected work
Products I built and ran.
herolister.com
2017–2025An eBay listing-template generator that I ran for eight years and sold to an Australian investor in 2025.
Own SaaS product
Since 2025Full-stack build with SvelteKit, Bun, TypeScript and Docker, deployed on my own servers and developed with Claude Code.
promotask.com
Bank promotions in PolandA service that describes bank promotions in Poland and turns each one into a checklist. Users tick off the steps they have completed, and the service calculates when each step should be done so that the bank's reward is actually paid out.
ginfor.pl
Before 2017A parts locator for the car market in Poznań, Poland.
Writing
Notes on the stack and the way I work.
4 min read
Why I left WordPress for TypeScript, Bun, Svelte and Docker
I started as a PHP and WordPress developer. Constant updates, attacks and things breaking after every update pushed me to a different stack.
Read article →4 min readDesigning a product that needs little manual work
How I organise my work so that products and routines run with few manual steps, based on running herolister.com from 2017 to 2025.
Read article →4 min readFinding the real price of used Macs with data and AI
A simple approach to quick market research: collect listings, calculate the median price, and use AI to clean up inconsistent descriptions.
Read article →Have a task?
Send me a short description and I’ll tell you if I can help. I’m also open to longer remote B2B work. The best way to reach me is by email.
Get in touch