Skills

Web & frontend

Production web apps and interfaces — from marketing sites to data-dense dashboards — built on React and Next.js, typed end to end, and fast enough to stay fast as they grow.

30 min with a full-stack devAll services

Proof, not promises

Web & frontend we've shipped

Metal Zbiorniki — Rebuilding a steel-tank maker's sales pipeline — site, configurator, CRM and AI-drafted quotes
Manufacturing · Web + Sales systems + AI
Metal Zbiorniki

Rebuilt a steel-tank manufacturer's sales pipeline end to end — multilingual site, instant-quote configurator, CRM, AI-drafted quotes.

MyEvaluations — Medical-training SaaS modernized without a rewrite
SaaS · Healthcare / EdTech
MyEvaluations

Modernized a 20-year-old C# monolith powering most US health universities — incrementally, no big-bang rewrite.

Tournee — Run tournaments without breaking a sweat
SaaS · Sports
Tournee

A modern tournament-management SaaS — registration, automated brackets, live scores — across web, iOS and Android from one codebase.

Tripsomnia — Book and sell local tours worldwide
Marketplace + SaaS · Travel
Tripsomnia

Built an international tours marketplace + operator SaaS from scratch, and advised the founders through fundraising.

GorillaFM — An interactive online radio station
Web · Music / Realtime
GorillaFM

A super-interactive online radio: live chat, song requests, profiles and ranks, realtime over WebSockets.

TerazZaraz — Job offers and your friends in one place
Web · Jobs / Social
TerazZaraz

A Polish social job aggregator — 'LinkedIn before LinkedIn' — tuned for ~40M monthly page views.

FestBlast — The best way to enjoy fests
Web + Mobile · Music
FestBlast

An all-in-one festival platform — discover fests, plan the trip, personalize the experience — web + iOS/Android, built end to end.

How we think, not just what we type

Concepts & patterns we work in

The ideas behind the tools — the patterns we've applied in production, not buzzwords.

Component-driven architectureDesign systemsEnd-to-end type safetyServer-side rendering & static generationPredictable state managementCore Web Vitals & performance budgetsAccessibility (WCAG)

Languages, frameworks, infra

What we actually use

The tools and languages we have real, shipped experience in — not a wish list.

Core
Styling & UI
NativeWindDesign systems
Data layer
Also worked in

On the record

Talks & writing on this

We've stood at conferences and meetups explaining how this works — and written it down. Slides, video and articles below.

Treat Type Definitions with respectVideo4Developers · 2022Hype Driven Development sucks? — or how to do it wellVideoMeet.js Summit · 2019Make your components pure and dumb (and composable)Slidesmeet.js Poznań · 2019How to handle asynchronous actions in ReduxWrite-upReact Poznań · 2018Good, composable and pure components in Angular 2+Write-upng-poznan · 2018Why TypeScript is the best way to write Front-end in 2019Write-upjackthenomad.com · 2018Mastering the Angular performance — by dropping the magic of Change DetectorWrite-upjackthenomad.com · 2018Migration from Angular 1 to Angular 2SlidesAngularJS & Beers Barcelona · 2016Gulp, a better Grunt? Automate your front-end workflowVideoMeet.js Summit · 2014Modular Angular: providers, services, factoriesVideong-poznan / AngularJS Berlin · 2014

All talks & writing →

Upstream, not a fork

We don't just use it — we contribute to it

Merged pull requests to the upstream projects this capability is built on. Evidence, not a claim — it's pulled from GitHub and can't be faked.

marmelab/react-admin4 mergedDefinitelyTyped/DefinitelyTyped3 mergedurql-graphql/urql2 mergedreact-hook-form/react-hook-form2 mergedvidstack/player2 mergedlucide-icons/lucide1 merged

See all our contributions →

Bring the napkin sketch.

Thirty minutes with a full-stack engineer, plus a short written report that's yours to keep.

30 min with a full-stack devSee services →

30 minGoogle Calendarno sales deck

Prefer to write? Send us a message →