Marie-Josée Mache - Java Engineer / Developer

Q: Where is Marie-Josée based?

Marie-Josée is based in Eschborn, Germany .

Q: What languages does Marie-Josée speak?

Marie-Josée speaks the following languages: German (Native), English (Advanced), French (Elementary) .

Q: How many years of experience does Marie-Josée have?

Marie-Josée has at least 11 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 3 months . Note that Marie-Josée may not have shared all experience and actually has more experience.

Q: What is Marie-Josée's latest experience?

Marie-Josée's most recent position is Java Engineer / Developer at Davaso GmbH .

Q: What companies has Marie-Josée worked for in recent years?

In recent years, Marie-Josée has worked for Davaso GmbH , Makiti Group SARL , Merck KaG , and Deutsche Bank AG .

Q: Which industries is Marie-Josée most experienced in?

Marie-Josée is most experienced in industries like Banking and Finance , Information Technology (IT) , and Professional Services . Marie-Josée also has some experience in Chemical , Pharmaceutical , and Insurance .

Q: Which business areas is Marie-Josée most experienced in?

Marie-Josée is most experienced in business areas like Information Technology (IT) , Investments, M&A & Venture Capital , and Product Development . Marie-Josée also has some experience in Business Intelligence .

Q: Which industries has Marie-Josée worked in recently?

Marie-Josée has recently worked in industries like Banking and Finance , Information Technology (IT) , and Chemical .

Q: Which business areas has Marie-Josée worked in recently?

Marie-Josée has recently worked in business areas like Information Technology (IT) , Investments, M&A & Venture Capital , and Product Development .

Recommended expert

Eschborn, Germany

Experience

Oct 2023 - Dec 2024

1 year 3 months

Leipzig, Germany

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.

May 2023 - Present

2 years 10 months

Paris, France

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.

Jan 2021 - Dec 2022

2 years

Darmstadt, Germany

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.

Jan 2018 - Present

8 years 2 months

Frankfurt, Germany

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.

Jan 2015 - Dec 2018

4 years

Darmstadt, Germany

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.

Industries Experience

See where this freelancer has spent most of their professional time. Longer bars indicate deeper hands-on experience, while shorter ones reflect targeted or project-based work.

Experienced in Banking and Finance (8 years), Information Technology (6.5 years), Professional Services (4 years), Chemical (2 years), Pharmaceutical (2 years), and Insurance (1 year).

Banking and Finance

Information Technology

Professional Services

Chemical

Pharmaceutical

Insurance

Business Areas Experience

The graph below provides a cumulative view of the freelancer's experience across multiple business areas, calculated from completed and active engagements. It highlights the areas where the freelancer has most frequently contributed to planning, execution, and delivery of business outcomes.

Experienced in Information Technology (11 years), Investments and M&A (8 years), Product Development (3 years), and Business Intelligence (2 years).

Information Technology

Investments and M&A

Product Development

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

German

Native

English

Advanced

French

Elementary

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

Certified Scrum Master

Profile

Created

January 2026

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Frequently asked questions

Do you have questions? Here you can find further information.

Where is Marie-Josée based?

Marie-Josée is based in Eschborn, Germany.

What languages does Marie-Josée speak?

Marie-Josée speaks the following languages: German (Native), English (Advanced), French (Elementary).

How many years of experience does Marie-Josée have?

Marie-Josée has at least 11 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 3 months. Note that Marie-Josée may not have shared all experience and actually has more experience.

What roles would Marie-Josée be best suited for?

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.

What is Marie-Josée's latest experience?

Marie-Josée's most recent position is Java Engineer / Developer at Davaso GmbH.

What companies has Marie-Josée worked for in recent years?

In recent years, Marie-Josée has worked for Davaso GmbH, Makiti Group SARL, Merck KaG, and Deutsche Bank AG.

Which industries is Marie-Josée most experienced in?

Marie-Josée is most experienced in industries like Banking and Finance, Information Technology (IT), and Professional Services. Marie-Josée also has some experience in Chemical, Pharmaceutical, and Insurance.

Which business areas is Marie-Josée most experienced in?

Marie-Josée is most experienced in business areas like Information Technology (IT), Investments, M&A & Venture Capital, and Product Development. Marie-Josée also has some experience in Business Intelligence.

Which industries has Marie-Josée worked in recently?

Marie-Josée has recently worked in industries like Banking and Finance, Information Technology (IT), and Chemical.

Which business areas has Marie-Josée worked in recently?

Marie-Josée has recently worked in business areas like Information Technology (IT), Investments, M&A & Venture Capital, and Product Development.

What is Marie-Josée's education?

Marie-Josée holds a Master in Computational Engineering from Technische Universität Darmstadt and a Bachelor in Business Informatics from Fulda University.

Does Marie-Josée have any certificates?

Marie-Josée has 1 certificate: Certified Scrum Master.

What is the availability of Marie-Josée?

Marie-Josée is immediately available full-time for suitable projects.

What is the rate of Marie-Josée?

Marie-Josée's rate depends on the specific project requirements. Please use the Meet button on the profile to schedule a meeting and discuss the details.