Mateusz Ignacik — Web & Mobile Apps Developer — Based in Poland
I design, build & ship digital products — end to end.
Mobile apps with real game economies. Web platforms for real businesses. From Kotlin native modules to CSS — shipped, not mocked.
One person, the whole product.
I'm a developer who takes products the whole way — from the first design decision to a release on the store. One person owning the mobile app, the marketing site, the backend and the deploy, so the whole thing feels like a single, coherent product.
I care about the parts users never see: server-side validation that can't be cheated, i18n that reads like it was written natively, CSP headers, and a Lighthouse score that stays green while the motion stays rich. Craft down to the last detail.
Since 2023 · 3 products shipped · EN / PL
Mobile Apps
React Native and Expo, native Kotlin modules where it counts, in-app purchases, and shipping to Google Play and the App Store.
REACT NATIVE · EXPO · KOTLIN · IAPWeb Apps & Sites
Next.js and React with choreographed motion, real internationalization, and SEO engineering that holds up.
NEXT.JS · REACT · MOTION · SEOBackend & Infra
Firebase Auth, Firestore and Cloud Functions — server-authoritative logic, payments verification, and data you can trust.
FIREBASE · CLOUD FUNCTIONS · PAYMENTSDesign Engineering
Design systems built in code, accessibility as a default, and performance budgets that survive contact with production.
DESIGN SYSTEMS · A11Y · PERFORMANCE