➜ whoami
Adam Krupa.
frontend designer & UI engineer from Poland. i build interfaces that feel inevitable: websites that turn visitors into clients, and the tooling that keeps them honest.
start a project → available for new workwhat i do
marketing sites and landing pages engineered to turn visitors into booked calls and paying clients: clear messaging, fast load, built to rank.
landing pagesmarketing sitesseoproduction React, Next.js and Astro front-ends: design systems, dashboards and complex interfaces that stay fast and maintainable as you grow.
reactnext.jsdesign systemscustom CLIs, integrations and automation that remove the busywork: the same engineering i ship as open source, pointed at your workflow.
cliintegrationsautomationclient work, last six months
- 2026 · Q2 Re4matik: Metoda TOM course platform for a clinical breathwork & pelvic-floor therapy method.
- 2026 · Q2 NLS2040 Neuroleadership Standard 2040: a measurable leadership-resilience training program.
- 2026 · Q2 #Zielarz local vape shop in Częstochowa: storefront site plus an in-store TV display system.
- 2026 · Q2 Mary Senkowska personal brand for an ICF PCC executive coach: neuroleadership, research, global clientele.
- 2026 · Q1 Odrodzenie Oddechowe breathwork studio in Poznań: holotropic sessions, workshops, and 1-on-1 breath training.
- 2026 · Q1 Resonance Technology site for an NMR-grade magnetic calibration lab: teslameters, gaussmeters, audit-ready docs.
selected work
a local review gate for npm packages and VS Code extensions. it inspects install artifacts, dependency intelligence, and optional agent review before anything lands in a project.
securitycliopen sourcemenu-bar app that runs on-device OCR over your screen and blacks out emails, keys, and PII in real time, so streamers never leak what they can't see.
on-device MLprivacynativeturns public X posts, profiles, conversations and search into compact Markdown and JSON that agents can read.
agentsapiopen sourcea source-first collection of Amp extensions for context compression, signal filtering, X reading, and custom agent modes.
agentspluginsdeveloper toolslaunches cloud Orb subagents asynchronously and steers their results back into the parent Amp thread.
agentsorchestrationcloudhow it works
a short call to map your goals, audience and what "done" looks like. you get a fixed scope, timeline and price. no surprises.
i design and build in the open with regular previews, so you steer the work while it happens instead of waiting for a big reveal.
i ship it live, hand over clean code you own, and stay on call for the first weeks so the launch sticks.
questions
what kind of projects do you take on?
mostly conversion-focused marketing sites, landing pages and web apps for founders, coaches and small businesses. if it lives in a browser and needs to look sharp and load fast, it's a fit.
what's your tech stack?
React, Next.js and Astro with TypeScript and Tailwind CSS on the front end, plus Node.js and Convex when a project needs a backend. everything is custom-built, with no page-builder bloat.
how long does a project take?
a focused landing page is usually 1–2 weeks; a full marketing site or web app runs 3–6 weeks depending on scope. you get a fixed timeline before we start.
how much does a website cost?
every project is scoped and priced up front after a short discovery call, so you always know the number before committing. reach out with what you're building for a quote.
do you work with clients outside Poland?
yes. i'm based in Poland and work remotely with clients worldwide, in English or Polish. past work spans local businesses and global coaching and tech brands.
start a project
have a website or web app in mind? tell me what you're building and what success looks like. i'll reply within 24 hours with honest next steps, scope and a price. no obligation.
