Senior Android Engineer – Kotlin

About the role

Join Qonto’s product team to shape the mobile experience used daily by over 600,000 European businesses. As a Senior Android Engineer you will own critical features from concept to production in a large, modular Kotlin codebase.

Key responsibilities

• Design, implement, roll out and iterate on end‑to‑end product features.
• Drive technical decisions within the squad, balancing UX, performance, security and time‑to‑market.
• Improve app reliability, architecture, performance and testing strategy.
• Address complex mobile challenges such as real‑time synchronization, resilience patterns and smooth navigation across ~1,000 modules.
• Elevate the Android craft by leading code reviews, sharing patterns and mentoring peers.

Required profile

• Proven experience shipping production Android features with Kotlin.
• Quality‑driven mindset with strong testing discipline (unit, UI, snapshot).
• Ability to thrive in ambiguous situations and turn constraints into robust solutions.
• Comfortable using AI‑based coding tools daily.

Required skills

• Kotlin
• Android SDK
• Unit testing
• UI testing
• Snapshot testing
• Modular architecture
• Real‑time synchronization
• Resilience patterns
• Navigation components

What we offer

• Opportunity to impact a fast‑growing fintech serving 600k+ customers.
• Access to unlimited AI tools and a culture that encourages experimentation.
• Work from any location in Germany, France, Italy, Serbia, Portugal or Spain.