Mobile Software Developer

OneSource Consulting (Leuven, Belgium) Follow 1 hour ago

Full-time Hybrid Peoplesoft Analytics Architecture Clean Architecture

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JOB TITLE: MOBILE SOFTWARE DEVELOPER

LOCATION: LEUVEN, BELGIUM

DURATION: AS SOON AS POSSIBLE - 31/12/2026 PLUS POSSIBLE OF EXTENSION

LANGUAGES: DUTCH AND ENGLISH

WORK REGIME: 100% (FULL-TIME AND HYBRID 2(OR)3 DAYS ONSITE)

JOB DESCRIPTION

ABOUT US

UZ Leuven is a university hospital where patients can count on specialised care and innovative treatments, combined with human attention and respect for each person.

FUNCTION

IT is of strategic importance within Client. We are highly computerized for both administrative and medical applications. You will be employed within the IT department in a team of 30 developers that maintains the non-medical hospital applications (HR, Finance, Procurement and Inventory within the Oracle PeopleSoft ERP system).
To further develop our mobile strategy, we are looking for a driven Mobile Developer. Today our focus is 100% on Android (Kotlin), but we are looking for someone who looks ahead. In time, other platforms (iOS, Cross-platform) may also become relevant within our hospital environment.

RESPONSIBILITIES

In this position, you will form the bridge between our complex ERP backend and the end user on the shop floor. You build intuitive, high-performance mobile apps that make the work of thousands of hospital employees more efficient.
Android Development: You start by developing and maintaining native Android applications written in Kotlin, using the Android Jetpack ecosystem.
Future-proof Mindset: You closely follow the trends in the mobile world. If the strategy eventually shifts to other platforms (such as iOS or Cross-platform frameworks), you are willing to delve into this and evolve with it.
Innovation & Architecture: You translate functional needs into technically advanced solutions. You think along about architecture (MVVM, Clean Architecture), security and UX/UI.
Integration & Monitoring: You link the apps to our backend systems and use Firebase for monitoring (Crashlytics), analytics and messaging (Cloud Messaging).
End-to-End Responsibility: Over time, you'll execute projects from A to Z, from analysis and development to release and user guidance

WHAT DO YOU NEED FOR THAT?

You have a master's degree in IT or are equivalent through experience. You are a specialist in Android, but you have a broad interest in the entire mobile landscape.

YOUR TECH STACK & SKILLS:

Kotlin & Core: You have in-depth knowledge of Kotlin (including Coroutines & Flow) and the Android SDK.
Modern UI: You have experience with (or a strong interest in) Jetpack Compose for building modern interfaces.
Architecture: You build scalable apps according to principles such as MVVM, Clean Architecture and Dependency Injection (e.g. Koin).
Firebase: You have experience with Firebase services such as Crashlytics, Cloud Messaging, Analytics and Firestore.
Networking: You are familiar with REST APIs (using e.g. Retrofit and/or OkHttp, Ktor client is a plus) and local data storage (e.g. Room).

YOUR MINDSET & BROADER KNOWLEDGE:

FLEXIBILITY: You are now an Android expert, but are open to expanding your skills to iOS (Swift) or Cross-platform (e.g. Flutter/React Native/KMP) in the long term if the projects require it.
BACKEND READINESS: You don't shy away from getting to know our backend environment (PeopleSoft tools, SQL Server) as well.
TEAM PLAYER: Knowledge sharing and eagerness to learn are right up your alley. ● Communication: You are proficient in both Dutch and English.

SKILLS

QUESTIONS

Do you have at least 5 years of experience in building apps according to principles such as MVVM, Clean Architecture and Dependency Injection (e.g. Koin)?
Do you have at least 5 years of experience with Firebase services such as Crashlytics, Cloud Messaging, Analytics and Firestore?
Do you have at least 3 years of experience with REST APIs (using e.g. Retrofit and/or OkHttp?

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