Android Software Engineer - AI Neobank App (Spain)

Stack

Responsibilities

• ▹Build and ship Android features using Kotlin
• ▹Create clean mobile flows for insurance, payments, claims, renewals and financial services
• ▹Work with product and design to simplify complex user journeys
• ▹Integrate backend APIs and ensure mobile flows are stable, secure and reliable
• ▹Improve app performance, crash rate, loading states, responsiveness and memory usage
• ▹Use analytics, user behaviour and production issues to improve the product
• ▹Build AI-assisted mobile experiences only where they genuinely improve the user journey

Requirements

• ▹3+ years of Android development experience using Kotlin
• ▹Strong Android fundamentals and experience shipping production apps
• ▹Good knowledge of Jetpack, Coroutines, Flow and modern Android architecture
• ▹Strong sense of mobile UX, usability and edge cases
• ▹Experience integrating REST APIs and debugging production issues
• ▹Fast execution and high ownership
• ▹Must be based in Spain
• ▹Strong English communication

Nice to have

• ▹App links, GitHub, screenshots or other examples of shipped work
• ▹Experience with SQL/NoSQL databases and on-device TensorFlow Lite inference
• ▹Jetpack Compose experience

Soft skills

About the company

BJAK is a mobile-first insurance platform founded in 2019 that became the leading insurance platform in Southeast Asia. The company now covers a broader range of finance - spending, saving, investing, currency exchange, travel - and is building an AI-powered neobank app. The team works remotely and from offices worldwide, with 20+ nationalities.