Senior Android Engineer – Kotlin/Jetpack, Hybrid Role

Sunweb Group; Gerona; Hybrid; EUR 56,000 - 71,000; Full time

Benefits offered by this job

Hybrid work model

Office furniture & IT equipment

Career development plan

Coaching sessions

Travel allowances

Discounts on Sunweb brands

Job summary

Sunweb Group is seeking a Senior Android Engineer to own features end-to-end on a modern Android app used for holidays. Girona remains the preferred location with Rotterdam as an option, supported by a flexible hybrid model.

You will collaborate closely with iOS, backend, and product teams to deliver robust native experiences. You will lead architecture decisions, code reviews and mentoring while improving app health with analytics and monitoring tools, and ensure high-quality, scalable Android

Qualifications

• 5+ years of production Android experience at meaningful scale.
• Strong experience with Kotlin and Jetpack Compose.
• Solid knowledge of Coroutines, Flow, state management and Android lifecycle.
• Practical experience with clean or layered architecture and dependency injection.
• Experience with Gradle in multi-module projects, including build types or flavours.
• Automated testing, Git workflows, CI as standard engineering habits.
• Play Console release-management experience, including signing, versioning and staged rollouts.
• Experience consuming REST APIs and designing reliable caching behaviour.
• Experience integrating third-party SDKs or APIs, ideally including payment services.
• Professional working proficiency in English.
• Proactive, pragmatic and low-ego ownership mindset.

Responsibilities

• Build and evolve customer-facing Android experiences using Kotlin and Jetpack Compose.
• Own features from refinement and technical design through testing, Play Store release and production monitoring.
• Act as a technical reference for Android through code reviews, architectural decisions and mentoring.
• Align closely with iOS and backend engineers to deliver platform parity without sacrificing native quality.
• Evolve a modular Gradle codebase using pragmatic clean-architecture principles.
• Apply dependency injection, Coroutines and Flow effectively.
• Integrate and protect revenue-critical customer journeys involving payments, excursions, transfers etc.
• Use Firebase, Analytics and New Relic to understand user behaviour and improve app health.
• Use modern and agentic coding tools pragmatically to improve productivity and code quality.

Skills

Kotlin

Jetpack Compose

Coroutines

Flow

Clean Architecture

Dependency Injection

Gradle

Testing & CI

REST APIs

Payments integration

English proficiency

Ownership mindset

Tools

Ktor

DataStore

GitHub Actions

Firebase

New Relic

Fastlane

Azure

Figma

Gradle (multi-module)

Job description

Sunweb Group is seeking a Senior Android Engineer to own features end-to-end on a modern Android app used for holidays. Girona remains the preferred location with Rotterdam as an option, supported by a flexible hybrid model.

You will collaborate closely with iOS, backend, and product teams to deliver robust native experiences. You will lead architecture decisions, code reviews and mentoring while improving app health with analytics and monitoring tools, and ensure high-quality, scalable Android