Senior Android Engineer - Kotlin | AI Neobank App

Doit; Greater London; Hybrid; GBP 65,000 - 90,000; Full time

Job summary

Doit in the United Kingdom is seeking an Android engineer to build the native Android experience for the Doit Neobank app. You will focus on clean user flows, fast performance and reliable mobile features used by real customers.

You will work with product and design to simplify journeys, integrate REST APIs and improve performance, loading states, and memory usage. A strong emphasis on UX, reliability and maintainability is required, with Kotlin, Jetpack Compose and on-device AI tools considered

Qualifications

• 3+ years of Android development experience with Kotlin.
• Strong Android fundamentals and production app shipping.
• Experience with Jetpack, Coroutines, Flow and modern architecture.
• Experience integrating REST APIs and debugging production issues.

Responsibilities

• Build and ship Android features using Kotlin.
• Create clean mobile flows for financial services.
• Collaborate with product and design to simplify user journeys.
• Integrate backend APIs and ensure stability, security and reliability.
• Improve app performance, crash rate, loading states and memory usage.
• Use analytics and production data to improve the product.

Skills

Android development

Kotlin

Jetpack Compose

Coroutines & Flow

REST APIs

Performance optimization

UX awareness

Tools

Android Studio

GitHub

Job description

Doit in the United Kingdom is seeking an Android engineer to build the native Android experience for the Doit Neobank app. You will focus on clean user flows, fast performance and reliable mobile features used by real customers.

You will work with product and design to simplify journeys, integrate REST APIs and improve performance, loading states, and memory usage. A strong emphasis on UX, reliability and maintainability is required, with Kotlin, Jetpack Compose and on-device AI tools considered