Senior Mobile Engineer (Kotlin Multiplatform)

Mobile Engineer (Kotlin Multiplatform) – Contract London / Hybrid (2–3 days onsite)£500-£600 per day (Inside IR35)We’re working with a client who is building a centralised mobile platform and looking for Mobile Engineers with Kotlin expertise to help deliver it.This is not a short-term feature role. You’ll be working on a shared codebase across Android and iOS using Kotlin Multiplatform, helping scale a product used across multiple countries and markets.What you’ll be doing:Building mobile features using Kotlin Multiplatform (KMP)Contributing to shared code across Android and iOSWorking closely with Product, Design and Backend teamsImproving performance, reliability and code qualityDelivering features end-to-endWhat they’re looking for:Strong mobile engineering experienceSolid Kotlin knowledge (KMP or cross-platform exposure highly beneficial)Experience building production mobile applicationsGood understanding of APIs and mobile architectureSomeone who can hit the ground running in a fast-moving environmentContract details:Inside IR35£500-£600 per dayLondon – hybrid working (2–3 days onsite)If you’re a mobile engineer interested in Kotlin Multiplatform and platform-level work, I’d be happy to share more details.