Margerite B.-Senior Solution Architect | Software Architecture | Technical Leadership
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Experience
Solution Architect
International Energy Company
Responsible for the architecture and cross-system integration of digital solutions in a complex enterprise IT landscape. Technical coordination of international development teams and alignment of architectural requirements and technical dependencies.
Focus Areas and Responsibilities:
- Architecture for the development of a new customer portal and the first in-house-developed Android and iOS applications.
- Design and coordination of the integration of SAP, Microsoft Dynamics CRM, and other backend systems into a microservice-based architecture.
- Architecture and design of a new identity and access management solution, including single sign-on and access management.
- Architecture and cross-system coordination of the AI-powered “Energy Tracker” for analyzing energy consumption.
- Technical alignment and coordination of development teams in Switzerland, Serbia, and Spain.
Technologies: Azure, Java, React, React Native, MuleSoft, Keycloak, Databricks, SAP, Microsoft Dynamics
Software Architect / Lead Android Developer
GLS
Architecture and technical development of a native Android application for mobile Zebra handheld scanners in the logistics sector.
- Architecture and development of an embedded Android application to support logistics workflows.
- Restructuring of the project and software structure.
- Design and implementation of a new Jenkins CI/CD pipeline.
- Collaboration with development teams in Germany and Portugal.
Technologies: Java, Kotlin, Android, Jenkins, Gradle, Dagger, Retrofit, Room
Senior Android Developer
AOK
Development of a native Android application for handling health insurance matters digitally.
- Development and enhancement of features for handling applications, sick leave notifications, and invoices digitally.
- Work with modern Android architecture, authentication mechanisms, and automated tests.
Technologies: Kotlin, Jetpack Compose, Android Jetpack, OAuth2, Room, Retrofit, Hilt, JUnit
Lead Android Developer
Industry / Embedded Systems
Development of an embedded Android solution for controlling industrial coffee machines.
- Development of a native Android application for operating and controlling industrial equipment.
- Integration of the application into a device-specific system environment.
- Use of automated tests and CI/CD processes.
Technologies: Java, Android, Apache Thrift, ObjectBox, MVVM, Jenkins
Team Lead Android Developer
Deutsche Bahn
Technical responsibility for and further development of a complex Android application for train crews, with safety-critical operational features.
- Technical leadership and coordination of Android development.
- Development and integration of operational features, including brake calculations, departure signal control, and a message center.
- Refactoring and modernization of an Android application that had evolved over more than ten years.
- Coordination between requirements engineering, product ownership, and development.
- Test automation and third-level support for developed features.
Technologies: Kotlin, Java, Android, MQTT, REST, OAuth, GitLab CI/CD, Appium
Mobile Application Developer
Design and development of native Android and iOS applications for small and medium-sized businesses.
- Development of custom mobile applications.
- Technical design and implementation of mobile software solutions.
- Collaboration with clients from requirements analysis through to implementation.
Web Developer / Entrepreneur
Tourism, art and culture
Design and development of web applications and digital solutions for businesses and organizations.
- Development and maintenance of web applications.
- Coordination of employees and project tasks.
- Design of print and digital magazines.
Technologies: PHP, MySQL, JavaScript, HTML/CSS, WordPress
Entrepreneur
LazerCombat
Founded and operated a company offering outdoor team-building events.
Industry experience
See where this freelancer has spent most of their professional time.
Experienced in Arts and Crafts, Media and Entertainment, Tourism, Transportation, Information Technology, and Energy.
Business area experience
See which departments and functions this freelancer has contributed to most.
Experienced in Information Technology, Product Development, Project Management, Customer Service, and Operations.
Summary
Experienced IT architect with over 20 years of experience in software development and technical project leadership. Focused on designing and integrating complex application landscapes, modernizing existing systems, and developing new digital solutions. Extensive experience leading international development teams and working with business departments, product management, and technical stakeholders.
Skills
Software Architecture & Integration
- Solution Architecture
- Microservice Architecture
- System Integration
- Api Design
- Identity & Access Management (Iam)
- Single Sign-On (Sso)
Technical Leadership & Collaboration
- Technical Coordination Of International Development Teams
- Alignment With Business Departments And Stakeholders
- Requirements Engineering
Cloud & Enterprise Technologies
- Microsoft Azure
- Sap
- Microsoft Dynamics
- Mulesoft
- Databricks
- Keycloak
Software Development & Engineering
- Java
- Kotlin
- Android
- React
- React Native
- Ci/Cd
- Test Automation
Methods & Tools
- Safe
- Scrum
- Kanban
- Jira
- Confluence
- Azure Devops
Languages
Education
Ferdinand Porsche FernFH
Business Informatics · Austria
Technische Universität Wien
Technical Mathematics · Vienna, Austria
Lancaster High School
United States
Statistics
Experience
Expertise
Qualifications
Frequently asked questions
Have questions? Find more information here.
Margerite is based in Vienna, Austria.
Margerite speaks the following languages: German (Native), English (Advanced), French (Advanced).
Margerite has at least 22 years of experience. During this time, Margerite has worked in at least 8 different roles and for 5 different companies. The average length of individual experience is 3 years and 9 months. Note that Margerite may not have shared all experience and actually has more experience.
Based on recent experience, Margerite would be well-suited for roles such as: Solution Architect, Software Architect / Lead Android Developer, Senior Android Developer.
Margerite's most recent position is Solution Architect at International Energy Company.
In recent years, Margerite has worked for International Energy Company, GLS, AOK, and Deutsche Bahn.
Margerite is most experienced in industries like Arts and Crafts, Media and Entertainment, and Tourism. Margerite also has some experience in Information Technology, Transportation, and Energy.
Margerite is most experienced in business areas like Information Technology, Product Development, and Project Management. Margerite also has some experience in Customer Service and Operations.
Margerite has recently worked in industries like Transportation, Energy, and Manufacturing.
Margerite has recently worked in business areas like Information Technology, Product Development, and Customer Service.
Margerite attended Ferdinand Porsche FernFH for Business Informatics.
Margerite is immediately available full-time for suitable projects.
Daily rate distribution
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Average rates for similar positions
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The median daily rate is the middle value of all daily rates — half of comparable freelancers charge less, half charge more. Unlike the average, it is barely affected by outliers.
Calculated based on our freelancers’ daily rates as of 11 Nov 2026. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.
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