Kotlin Multiplatform Engineer (KMP) for Large-Scale Sports Betting & Gambling Application
We are seeking a skilled Kotlin Multiplatform Engineer to work on a large-scale trading/betting application. The project features a sophisticated architecture and clean separation of concerns. The ideal candidate will have experience with Kotlin, KMP, Compose Multiplatform, and related technologies.
Key Highlights
Technical Skills Required
Benefits & Perks
Job Description
Digital Transformation and Software Development consultancy requires a Kotlin Multiplatform Engineer (KMP) for a fully remote OUTSIDE IR35 6 month contract starting on Monday 5th Jan 2026 to work with their world-renowned Sports Betting & Gambling client.
You will have availability to have a one stage remote interview on Monday 15th Dec or Tuesday 16th Dec and start on Monday 5th Jan 2026.
Contract Details:
- Start Date: 5th January 2026.
- End Date: 30th June 2026.
- Day Rate: £440 per day.
- Determination: OUTSIDE IR35.
- Base: Fully Remote.
Project Scope:
You will be working on a large-scale Kotlin Multiplatform (KMP) trading/betting application built with Compose Multiplatform (CMP), supporting iOS, Android, Desktop, and Web platforms.
The project features a sophisticated architecture with clean separation of concerns across domain, data, UI, and feature layers, utilising Koin for dependency injection, Ktor for networking, and WebSocket connections for real-time market data.
The codebase emphasizes responsible gaming features, comprehensive KYC/identity verification, multi-factor authentication, payment integrations (Braintree, PaySafe, Trustly), and advanced catalog/portfolio management for sports betting and trading markets.
Technical Skills required:
- Must-have skills: Kotlin, KMP, Compose Multiplatform, Koin, Ktor, WebSocket
- Platform targets: Android, iOS, Desktop, Web
- Desirable: Security, payments, fintech/trading experience, CI/CD