Recommended expert

Lukas Sonnenschein

IT Consultant, Software Developer

Lukas Sonnenschein
Sweden

Experience

Aug 2019 - Jun 2025
5 years 11 months
Neuss, Germany

IT Consultant, Software Developer

addmore GmbH

  • Full-stack development of quotation services, integration and development of various sites in MagnoliaCMS
  • Technologies: Java, Spring Framework, Gradle, HTML, CSS, Type-/JavaScript, XML, OpenAPI, IntelliJ, GitBlit, Jira, Confluence, OpenCMS, MagnoliaCMS
Oct 2017 - Jun 2019
1 year 9 months
Nuremberg, Germany

IT Consultant, Software Developer

ERGO Group

  • Development of event-based backend microservices to support an insurance quoting software across various divisions of ERGO/ERGO Direkt
  • Implementation of quotation and product software for the RLV and funeral benefit division of ERGO/ERGO Direkt
  • Technologies: microservice architecture, Java 8, Spring Framework, SQL and NoSQL databases, XML, AMQ, Swagger API, REST, various testing tools, Eclipse, Bitbucket, Jenkins, OpenShift, Jira, Confluence, SonarCube, Postman, Git, F-IOS, F-IPS
Aug 2017 - Oct 2017
3 months
Cologne, Germany

Software Developer (intern)

Faktor Zehn GmbH

  • Development and co-design of a VWB software for car insurance, product development
  • Technologies: Java 8, Java EE, SQL, REST, JUnit, Mockito, Eclipse, Jenkins, Git
Jun 2017 - Aug 2017
3 months
Dortmund, Germany

IT Consultant

Signal Iduna Group

  • Creation of a user manual for an implemented car insurance software
  • GUI testing

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 Information Technology (6 years) and Insurance (2 years).

Information Technology
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 (8 years) and Product Development (2 years).

Information Technology
Product Development

Skills

  • Software Architecture, Development, Integration And Testing
  • Web Applications In Java, Spring
  • Microservice Architectures, Event-driven Architectures
  • Domain Driven Design, Network Modeling
  • Mathematical Optimization
  • Training Skills

Programming Languages

  • Java (Oca Certified)
  • Html/css
  • Type-/javascript

Technical Know-how

  • Spring Applications
  • Oracledb
  • Mongodb
  • Mariadb
  • Apache
  • Activemq
  • Openapi
  • Maven
  • Gradle
  • Nodejs
  • Kubernetes
  • Angular
  • Sonarcube
  • Junit
  • Mockito
  • Lombok
  • Rest
  • Soap

Software

  • Eclipse
  • Intellij
  • Docker
  • Kubernetes
  • Jenkins
  • Jira
  • Trello
  • Confluence
  • Postman
  • Git
  • F-ios
  • F-ips

Methods

  • Test Driven Development
  • Scrum
  • Kanban
  • Domain Driven Design
  • Event Driven Architecture
  • Microservice Architecture
  • Clean Code
  • Design Patterns

Application Areas

  • Content Management
  • Product Data Management
  • Quotation Management
  • Customer Management
  • Logistics
  • Network Planning
  • Erp Systems

Languages

German
Native
English
Advanced
Latin
Advanced

Education

Oct 2013 - Dec 2015

University of Trier

Master of Education, Mathematics and Computer Science · Mathematics and Computer Science · Trier, Germany · Final grade: 1.9

Certifications & licenses

Java (OCA certified)

Profile

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Frequently asked questions

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

What languages does Lukas speak?

Lukas speaks the following languages: German (Native), English (Advanced), Latin (Advanced).

How many years of experience does Lukas have?

Lukas has at least 8 years of experience. During this time, Lukas has worked in at least 3 different roles and for 4 different companies. The average length of individual experience is 2 years. Note that Lukas may not have shared all experience and actually has more experience.

What roles would Lukas be best suited for?

Based on recent experience, Lukas would be well-suited for roles such as: IT Consultant, Software Developer, Software Developer (intern), IT Consultant.

What is Lukas's latest experience?

Lukas's most recent position is IT Consultant, Software Developer at addmore GmbH.

What companies has Lukas worked for in recent years?

In recent years, Lukas has worked for addmore GmbH.

Which industries is Lukas most experienced in?

Lukas is most experienced in industries like Information Technology (IT) and Insurance.

Which business areas is Lukas most experienced in?

Lukas is most experienced in business areas like Information Technology (IT), Product Development, and Quality Assurance (QA).

Which industries has Lukas worked in recently?

Lukas has recently worked in industries like Information Technology (IT).

Which business areas has Lukas worked in recently?

Lukas has recently worked in business areas like Information Technology (IT).

What is Lukas's education?

Lukas holds a Master in Mathematics and Computer Science from University of Trier.

Does Lukas have any certificates?

Lukas has 1 certificate: Java (OCA certified).

What is the availability of Lukas?

Lukas is immediately available full-time for suitable projects.

What is the rate of Lukas?

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

How to hire Lukas?

To hire Lukas, click the Meet button on the profile to request a meeting and discuss your project needs.