Mobile app

We design and build bespoke web applications — from an MVP that lets you validate an idea quickly, to large platforms and systems developed over years. We build the front-end as well as the backend, APIs, databases, admin panels and integrations with external systems. We work with Next.js, React, Node.js, NestJS, Python, PostgreSQL and MongoDB, among others. We build solutions fitted to a specific business process: SaaS applications, internal systems, sales platforms, websites, marketplaces and CMS systems.

We build mobile applications for iOS and Android — native in Swift and Kotlin, and cross-platform in React Native and Flutter. The choice of technology follows what the app has to do: for a demanding interface and work with the phone's subsystems we reach for native, and for one product on two platforms, for cross-platform. When time to market is what counts, there is the no-code option. We focus on performance and UX. We most often work for fitness, health and MedTech, and for hotels and TravelTech, delivering mobile apps and SaaS platforms.

We design and deliver e-commerce platforms — from headless commerce to classic stores integrated with ERP and CRM. We handle large product catalogues, B2C and B2B sales, marketplaces, and modules written for a specific process: warehouse, checkout, subscriptions. We connect ERP, WMS, payments and logistics, optimise conversion and prepare the store for seasonal traffic peaks. That is how the Kwant and Global Parts projects came about. We most often work for fashion, food and beauty, delivering online stores, marketplaces, catalogues, product configurators and PIM systems.

We design the UX and UI of web apps, mobile apps and B2B systems — from user research and the first wireframes to a finished interface and a design system in Figma. We do not design screens in isolation from the product. We look at user journeys, analytics data and technical constraints, so that what we deliver is comfortable to use and realistic to build. Once the product is live we can come back to heatmaps, session recordings, analytics and user interviews, so the next round of changes follows the data rather than a hunch. That is how we worked on the Signor Leone suit configurator, the Mikulewicz Ostaszewski restructuring calculator and the financing application flow for Horyzont Capital.