Android Software Engineer

About the role

ActAI builds proactive, agent-first mobile applications for people who are not used to complex prompting, starting with a mobile communication app. As an Android Software Engineer you will build and maintain production Android apps using Kotlin, including messaging, chat and AI-powered features.

Key responsibilities

• Build and maintain production Android applications using Kotlin, including messaging, chat and AI-powered features.
• Develop user interfaces for real-time communication, streaming AI responses, voice interactions and background tasks.
• Integrate backend APIs and handle asynchronous operations, network failures, retries and data synchronisation.
• Optimise application performance, startup time, memory usage and responsiveness across Android devices.
• Implement local storage, push notifications, analytics and error monitoring.
• Work with backend, ML and design teams on API integration, feature development and release testing.
• Debug production issues, improve application stability and manage releases to Google Play.

Required profile

• 3+ years of Android development experience using Kotlin, with applications shipped to production.
• Experience building Android interfaces using Jetpack Compose or Android Views.
• Experience designing and operating production APIs and distributed services.
• Able to manage application architecture, concurrency, background processing and local data storage.
• Strong debugging skills, including diagnosing crashes, network failures and device-specific issues.

Required skills

• Strong understanding of the Android SDK, application lifecycle, Jetpack libraries, Coroutines and Flow.
• Nice to have: integrating LLM, speech, vision or other AI APIs; chat or real-time communication apps; WebSockets, streaming APIs or offline-first design; on-device ML with ML Kit, TensorFlow Lite or similar.