Back End & Android Developer @ Crossinx GmbH
Back-end and Android development for a business web platform — Java/Spring Boot microservices on the server side and an Android client with OpenCV-based document detection, plus a Kotlin multiplatform library shared with iOS.
Highlights
- — Developed and maintained server-side business logic with Java, Hibernate ORM, and Oracle database.
- — Refactored a monolithic backend into a microservices architecture with Java and Spring Boot.
- — Built Android features in Java, including OpenCV-based document detection and scanning flows.
- — Created a Kotlin multiplatform library to share core logic between Android and iOS.
Tech stack
Java, Kotlin, Spring Boot, Android, OpenCV, Hibernate, Oracle