Oskar Karpiński

01Services for business

Website, system and backbone — in one pair of hands

I build business websites, web applications and backends, or take over a focused module: interface, API, integration or deployment. The scope starts with the business goal, not a technology list.

  1. Web applications and websitesWeb systems, dashboards, business websites and landing pages with integrations, performance and technical SEO.Dashboards, applications and internal toolsBusiness websites and landing pagesForms, APIs and integrationsPerformance, accessibility and technical SEO
  2. Backend systems and integrationsAPIs, business logic, authorization, data synchronization, webhooks and connections to external systems.REST APIs, authorization and rolesIntegrations, webhooks and synchronizationTesting, documentation and deployment
  3. Android applicationsNative Kotlin and Jetpack Compose applications connected to a backend, local data and device capabilities.Kotlin, Jetpack Compose and Material 3Architecture, data and application stateAPI integration, biometrics and testing

Have a project in one of these areas?

Describe what you want to build or improve. I will propose a practical scope and the next step.