iOS Developer - Native Mobile Platforms (Kotlin Multiplatform)

iO • Netherlands, Netherlands • Posted May 30, 2026

Position Overview

Wat je gaat doen

At iO Amsterdam, we build modern, scalable native mobile platforms for demanding clients in sectors including finance, healthcare and utilities. We combine true native quality with the efficiency of shared business logic via Kotlin Multiplatform (KMP). Think multi-label apps for multiple brands and countries, with security, compliance and performance as non-negotiable requirements. 

To further develop this approach, we're looking for an experienced iOS developer who thrives on architecture, quality and modern mobile stacks – and who can strengthen our team with real technical depth. 

How we work 

  • Architecture-first: we build on a proven KMP foundation, with a large part of the fundamental mobile architecture already in place (auth, networking, storage, logging, testing); 

  • Shared where it pays, native where it matters: business logic in Kotlin, platform-specific UX in SwiftUI/Compose; 

  • Multi-label by d...