27.04.2026 aktualisiert
100 % verfügbar
Fullstack & Mobile Developer
München, Deutschland
Deutschland +2
Master's degree Geochemistry & Geomaterials Science (M.Sc.)info: Deutschland, Österreich, Schweiz
Über mich
My name is Patrick v. Hasselbach, a software developer with over 8 years of experience building reliable and scalable backend and mobile applications. Focusing on delivering measurable results by quickly understanding user needs and translating them into effective software solutions.
Skills
FlutterSpring SecurityAPIsApache TomcatArchitekturdesignTest AutomationBash ShellUbuntuCSSMobile Application DevelopmentDatenbankenContinuous DeliveryPersistente DatenstrukturDevOpsEclipse
Core Technologies:
Languages
Java, Javascript / Typescript, Dart
Backend
Spring Boot, Quarkus
Frontend
React
Mobile
Flutter
Data
PostgreSQL, Apache Kafka
Infrastructure / Platforms
Linux, Docker , Kubernetes
Security & Identity
Keycloak, OAuth2
CI / CD
GitHub Actions, Jenkins
Version Control
Git, Subversion
Erfahrung
Berufserfahrung5 - 10 Jahre
Freelancer seit2026
Sprachen
DeutschMutterspracheEnglischverhandlungssicher
Projekthistorie
Development of a backend-driven task management system with web and mobile interfaces, connecting client, contractor, and processor. The solution enabled structured task tracking with full audit history, deadline management, status tracking, image uploads, and comment functionality.
Development of a Flutter-based mobile application integrated with the KWP Plus ERP system for the sanitary wholesale sector. The application optimizes courier and delivery workflows in daily logistics operations.
Migration of the BASF Sunscreen Simulator from Java 8 to Java 11. The BASF Sunscreen Simulator is a digital formulation tool used in the sun care industry to support the development and optimization of sunscreen products.