Marie-Josée Mache-Java Engineer / Developer
Check rate
Experience
Java Engineer / Developer
Davaso GmbH
- Involved in the full development lifecycle, including design, coding, testing, and deployment of Java-based applications.
- Built and maintained high-performance RESTful APIs and microservices, ensuring scalability and reliable data exchange.
- Practiced code reviews, used version control systems (e.g., Git), and collaborated closely with cross-functional teams to deliver robust software solutions.
- Implemented, managed, and optimized complex business logic and decision-making processes using the Drools Rules Engine, leveraging DRL (Drools Rule Language) for dynamic configuration.
- Developed software solutions for a major service provider in the healthcare insurance sector, specifically focusing on claims processing and reconciliation logic to ensure cost-effective reimbursement for health funds.
Senior Fullstack Cloud Engineer / Solution Architect
Makiti Group SARL
- My role as a Senior Fullstack Cloud Engineer / Solution Architect combines hands-on development with comprehensive technical and product leadership.
- I architect and build advanced full-stack solutions, utilizing Java and React on cloud platforms, while maintaining technical excellence and code quality through active code review (both front-end and back-end).
- I define the product vision, strategy, and roadmap by creating high-level Epics and detailed User Stories. I manage the complete technical development flow, breaking down business features into actionable technical tasks (Tech Lead role).
- I lead and mentor a diverse cross-functional team, including UX/UI Designers, Front-end Engineers, Back-end Engineers, and DevOps, driving successful project delivery from concept to production.
- I ensure product quality through comprehensive testing, performing UI Tests, API Tests, and User Acceptance Tests (UAT).
- I actively collaborate with the Marketing team for the strategic commercialization of the developed products, ensuring alignment between technical delivery and business objectives.
Data Engineer
Merck KaG
- I design, build, and maintain robust data pipelines using Python to perform efficient ETL processes.
- I extract data from various sources, transform it for optimal analytical use, and load it into data warehouses or other target systems.
- I ensure data quality and accessibility for business insights.
Solution Architect Investments
Deutsche Bank AG
- Serving as a Solution Architect, my role combines hands-on development with team leadership.
- I architect and build advanced full-stack solutions with Java, Spring Boot, and EJB on cloud platforms, including modernizing legacy systems by transforming Struts/EJB applications to React/Angular and Java Spring Boot stacks.
- I actively guide and empower development teams, contribute directly to code, and bridge technical discussions with business stakeholders.
- I specialize in technical planning and drafting precise technical user stories.
PLM Java Consultant
PROSTEP AG
- Evolved from a junior developer specializing in Java unit testing (leveraging JUnit, JaCoCo, Mockito) to a key contributor in developing new Java 8 business logic for the OpenPDM product.
- Extensively used JAX-RS and JAX-WS for service-oriented integrations.
- Frequently traveled internationally to perform on-site software deployments and ensure client-specific extensions were seamlessly integrated within their local networks.
Industry experience
See where this freelancer has spent most of their professional time.
Experienced in Banking and Finance, Information Technology, Professional Services, Chemical, Pharmaceutical, and Insurance.
Business area experience
See which departments and functions this freelancer has contributed to most.
Experienced in Information Technology, Investments and M&A, Product Development, and Business Intelligence.
Summary
A results-driven Senior Fullstack Cloud Developer & Architect (React/Java) with 10 years of experience transforming complex client needs into innovative software. Specializing in crafting dynamic user interfaces with React and building powerful back-end infrastructures using Java, including cloud-native architectures. Marie is also a certified Scrum Master, adept at leading agile projects and ensuring high-quality, scalable deliverables.
Skills
- Ms Windows
- Linux
- Macos
- Java
- Ejb
- Jsf
- Spring Boot
- Nodejs
- Typescript
- Javascript
- Python
- Scripting
- Gcp
- Aws
- Azure
- Apache Kafka
- Ibmmq
- Pub/Sub
- Rest
- Soap
- Graphql
- Grpc
- Android Studio
- Intellij
- Xcode
- Html5
- Css
- React Native
- Kubernetes
- Docker (Docker Compose And Docker Swarm)
- Selenium
- Playwright
- Postman
- Newman
- Ngnix
- Tomcat
- Apache
- Angular
- React
- Spring Cloud
- Django
- Nextjs
- Pycharm
- Vscode
- Tdd
- Ddd
- Postgresql
- Mongodb
- Oracle
- Plm
- Redis
Languages
Education
Fulda University
Bachelor of Science, Business Informatics · Business Informatics · Fulda, Germany
Technische Universität Darmstadt
Master of Science, Computational Engineering · Computational Engineering · Darmstadt, Germany
Certifications & licenses
Statistics
Experience
Global experience
Expertise
Qualifications
Profile
Frequently asked questions
Have questions? Find more information here.
Marie-Josée is based in Eschborn, Germany.
Marie-Josée speaks the following languages: German (Native), English (Advanced), French (Elementary).
Marie-Josée has at least 12 years of experience. During this time, Marie-Josée has worked in at least 5 different roles and for 5 different companies. The average length of individual experience is 2 years and 4 months. Note that Marie-Josée may not have shared all experience and actually has more experience.
Based on recent experience, Marie-Josée would be well-suited for roles such as: Java Engineer / Developer, Senior Fullstack Cloud Engineer / Solution Architect, Data Engineer.
Marie-Josée's most recent position is Java Engineer / Developer at Davaso GmbH.
In recent years, Marie-Josée has worked for Davaso GmbH, Makiti Group SARL, Merck KaG, and Deutsche Bank AG.
Marie-Josée is most experienced in industries like Banking and Finance, Information Technology, and Professional Services. Marie-Josée also has some experience in Chemical, Pharmaceutical, and Insurance.
Marie-Josée is most experienced in business areas like Information Technology, Investments and M&A, and Product Development. Marie-Josée also has some experience in Business Intelligence.
Marie-Josée has recently worked in industries like Banking and Finance, Information Technology, and Chemical.
Marie-Josée has recently worked in business areas like Information Technology, Investments and M&A, and Product Development.
Marie-Josée holds a Master in Computational Engineering from Technische Universität Darmstadt and a Bachelor in Business Informatics from Fulda University.
Marie-Josée has 1 certificate: Certified Scrum Master.
The availability of Marie-Josée needs to be confirmed.
Daily rate distribution
The rates shown represent the typical market range for freelancers in this position based on recent contracts on our platform.
Average rates for similar positions
Rates are based on recent contracts and do not include FRATCH margin.
The average daily rate is the mean of all daily rates from recent contracts of comparable freelancers on our platform.
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 6 Sep 2026. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.
Similar freelancers
Discover other experts with similar qualifications and experience
Werner Keil
Waldemar Lammert
Hüseyin Korkut
Martin Gross
Jens Rehsack
Stefan Baust
Arne Hendricks
Michael Fecher
Alexander Kapincev
Yahya Vall
Experts recently working on similar projects
Freelancers with hands-on experience in comparable project as a Java Engineer / Developer
Osman Tartoussi
Björn Wilmsmann
Thomas Hoefkens
Timo Külbel
Christoph Thodte
Stephan Heilmann
Rainer Langbehn
Peter Großmann
Achille Chimi
Rashid Ibragimov
Nearby freelancers
Professionals working in or nearby Eschborn, Germany
Ornel Franck Wora Yeno
Ivaylo Piskov
Vadim Romanenko
Beate Peters
Vincent Rothländer
Sebastian Zwiesler
Waseem Sattar
Christine Mährle
Florian Ripper
Gregor Pestsov
