kbell + postman | Digital Product Agency Amsterdam

Cases

Recent work, straight from the studio.

A selection of projects that show how strategy, design and development come together in practice.

SPILNEWS

High-performance Video News for Gen-Z

We built a high-performance, video-native homepage for SPILNEWS, the Dutch news platform reaching Gen Z across TikTok, Instagram, YouTube, Spotify, and the web. Built with Next.js 16, React 19, TypeScript, and Tailwind CSS 4, the platform uses a fully API-driven architecture that gives the editorial team full control over playlists, branding, navigation, and hero content without deploy dependency. The key architectural differentiator is an immersive URL-synced video overlay that preserves browsing context while making every story directly shareable.

Next.js 16React 19TypeScript

End-to-end Personalized Sticker Studio 2

PLUS Supermarkt

End-to-end Personalized Sticker Studio

We built a mobile-first web application for PLUS Supermarkt that lets football fans create and order personalized sticker sheets in the visual style of their favorite Eredivisie club. The platform turns photo capture, validation, payment, print production, and printer delivery into one owned end-to-end system.

Next.js 16React 19TypeScript

SEA Water / Localise

AI-Powered Water Brand Scanner for Supply Chain Awareness

We built Localisewater, as a mobile-first web application for SEA Water / Localise that turns a bottle photo into a clear view of where that water came from and how far it travelled. Built with Next.js 16, React 19, TypeScript, Prisma, MySQL, and OpenAI GPT-4o Vision, the platform combines AI label recognition, a curated brand database, and geolocation-based distance calculation in an architecture the client fully owns and can extend without platform lock-in.

Next.js 16React 19Radix UI

Booking infrastructure for Modern Tattoo Studio's

Blink Tattoo Platform

Booking infrastructure for Modern Tattoo Studio's

We built a multi-tenant booking platform for Blink Tattoo Platform that gives studios full control over scheduling, payments, and client communication in one owned system. The product was developed with Laravel 10, React 18, TypeScript, Inertia.js, MySQL, and Stripe Connect, using an event-driven architecture that synchronizes studio operations in real time across calendars, payments, and notifications without relying on fragmented third-party workflows.

TypeScriptMySQLshadcn/ui

Academion

From Excel to Platform for Academic Research Operations

We designed and built a custom research operations platform for Academion, replacing fragile Excel-based workflows with an owned web application for academic institutions. Built with Laravel, Vue.js, Inertia.js, PostgreSQL, Laravel Nova, and Tailwind CSS, the system centralizes survey management, participant tracking, reporting, and administration in a scalable architecture that captures operational knowledge inside the product itself.

Inertia.jsTailwind CSSLaravel