Available for rolesPiotr Czerwiński

Available for AI Product Engineer & founding-team roles

Ships products end-to-end with AI agents in the loop, not just prompting them.

Senior product engineer in teams, full-stack solo. Nine years shipping for companies across Germany, the Netherlands, the UK and the US. I work with AI coding agents as real co-engineers: they take the tedious end-to-end volume so I can focus on architecture, product judgment, and getting things shipped, and I know where that accelerates the work and where it does not.

HiddenJobs.pl is the proof: validated, built, and shipped solo, now live with real users. Alongside it I run CiteLyzer, an AI-visibility product with fully automated, end-to-end report fulfilment. Open to AI Product Engineer, founding-team, and Forward-Deployed roles where AI-native engineering is the default, not an experiment.

Previously, for companies in DE · NL · UK · US

ShijiMaandagAssertisInstallation Made Easysecupay

How I work

Product, not just code

I decide what to build, how it should feel, and what it is worth, not just implement a spec someone else wrote. Product sense earned by shipping my own.

Full-stack, solo, end-to-end

Next.js at the center, Cloudflare Workers and queues for the edge and background work, and the unglamorous 40% that usually stalls a product: jobs, admin, edge cases.

I operate, not just ship

Analytics, structured logs, exception tracking, SEO and GEO measurement, and tests on the paths that break money or data. A product is a business, not a codebase.

Currently

Senior Frontend Engineer at Shiji

Mar 2024 → present · Remote · Katowice, PL

Senior frontend role inside a global hospitality tech company: high-complexity enterprise codebase. Microservices architecture; maintainer of one core frontend repository and contributor across several others. Owning release management across the full environment matrix (test, uat, preprod, prod) and every region the platform serves globally.

Running HiddenJobs.pl

Solo · since Feb 2026

A live product I validated, built, launched, and now operate as a one-person team.

Building something interesting?

I'm looking for founding-team roles where AI-augmented engineering is the default working mode. Early-stage, product ownership, equity-on-the-table kind of place. If that's you, let's talk.