Senior Kotlin Android Developer

Kotlin Android Leading Consultant - with modern Android architect MVVM, Clean Architecture, Jetpack components Employment type: Contract Work location: Malmö, Skåne County Start date: 2026-04-27 End date: 2026-10-23 Workload Allocation: 100%Way of working: hybrid (50% on-site) Language: fluent English, nice to have Swedish Project overview: The client is developing a digital platform for smart energy services, including EV smart charging, real-time energy monitoring, and flexibility services. The platform integrates Mobile applications (iOS and Android), cloud-based backend services, IoT devices providing real-time energy data and optimization services interacting with energy markets. The system processes real-time telemetry from connected devices, exposes APIs to mobile applications, and enables customers to monitor and control their energy usage. Scope of work The consultant will be responsible for designing, implementing, and maintaining the existing Android application for the platform. The Android application will support functionality such as: * Real-time visualization of energy consumption * EV charging control and scheduling * Interaction with IoT devices * User account functionality * Smart energy optimization features The consultant will work closely with backend developers, IoT engineers, and product stakeholders. Tasks and Responsibilities include: * Leading Android application development * Designing maintainable mobile architecture * Implementing new features and improving existing functionality * Ensuring code quality, testing, and maintainability * Collaborating with backend developers on API design * Participating in architectural discussions across the platform * Supporting and mentoring the junior iOS developer where relevant The consultant is expected to: * Understand the platform architecture and domain * Contribute to the mobile development roadmap * Collaborate effectively with backend and IoT developers * Deliv