Ola Van Dunen - IT Instructor

Q: Where is Ola based?

Ola is based in Berlin, Germany .

Q: What languages does Ola speak?

Ola speaks the following languages: German (Native), English (Advanced), French (Elementary), Portuguese (Elementary) .

Q: How many years of experience does Ola have?

Ola has at least 24 years of experience. During this time, Ola has worked in at least 14 different roles and for 34 different companies . The average length of individual experience is 1 year and 6 months . Note that Ola may not have shared all experience and actually has more experience.

Q: What is Ola's latest experience?

Ola's most recent position is IT Instructor .

Q: What companies has Ola worked for in recent years?

In recent years, Ola has worked for Reseller Payment System , Public Authority , and Telefónica/TechMahindra .

Q: Which industries is Ola most experienced in?

Ola is most experienced in industries like Information Technology , Manufacturing , and Banking and Finance . Ola also has some experience in Government and Administration , Telecommunication , and Agriculture .

Q: Which business areas is Ola most experienced in?

Ola is most experienced in business areas like Information Technology , Product Development , and Quality Assurance . Ola also has some experience in Project Management , Sales , and Logistics .

Q: Which industries has Ola worked in recently?

Ola has recently worked in industries like Information Technology , Telecommunication , and Government and Administration .

Q: Which business areas has Ola worked in recently?

Ola has recently worked in business areas like Information Technology and Product Development .

Recommended expert

Berlin, Germany

Check rate

Experience

Apr 2024 - Aug 2024

5 months

IT Instructor

IT training in theory and practice for IT specialists in application development and system integration

Jun 2023 - Jan 2023

-1 years -4 months

Berlin, Germany

Product Development

Reseller Payment System

Design and drafting of a prototype to digitize the local ticketing system
Tools/Environment: IntelliJ IDEA, Maven
Technologies: Java 11, Quarkus, PostgreSQL, OpenID Connect, OAuth2, Keycloak, UML
Team size: 4
Operating system: Linux
Version control: Git, GitLab

Oct 2022 - Nov 2023

1 year 2 months

Nuremberg, Germany

Senior Java Developer/DevOps

Public Authority

Maintenance and upkeep of existing application modules
Implementation of additional requirements
Tools/Environment: IntelliJ IDEA, Maven
Technologies: Java 11/17, Kafka, Spring Boot, REST API, Cassandra, Angular 15, TypeScript, Selenium, Kubernetes, OIDC, OAuth2, Grafana, npm, Amazon S3
Version control: Git, Bitbucket
Process model: Scrum
Team size: 12

Dec 2020 - Oct 2022

1 year 11 months

Hamburg, Germany

Software Engineer

Telefónica/TechMahindra

Extending the existing portal and applications in distributed systems
Knowledge transfer to offshore colleagues for a successful project handover
Design of software architectures to adapt the OIDC flow
Development of a proof of concept
Tools/Environment: IntelliJ IDEA, Maven, Postman
Technologies: RxJava, Java 11, Spring Boot, Oracle, Hazelcast, SQL, Kafka, OpenID Connect, OAuth2, mod_auth_openidc, Apache HTTP Server, AWS
Modeling language: UML 2.0
Operating system: Linux
Version control: Git, GitLab
Process model: Scrum
Team size: 25

Jun 2020 - Nov 2020

6 months

Hanover, Germany

Senior Java Developer

Nord/LB

Extending a loan portal to grant loans to businesses
Analysis of the business requirements
Introduction and design of a software architecture based on Domain-Driven Design
Tools/Environment: IntelliJ IDEA, Maven
Technologies: Java 8, JEE7, JSF, WAS, TomEE, Camunda BPMN, EclipseLink
Modeling language: UML 2.0
Operating system: Windows
Version control: Git, Gerrit
Process model: Scrum
Team size: 4

Jul 2019 - Mar 2020

9 months

Berlin, Germany

Senior Java Developer

BerlinHyp

Built a loan portal for issuing loans to the real estate industry
Analyzed the business requirements
Introduced and designed a software architecture based on Domain-Driven Design
Implemented REST interfaces based on CQRS, HATEOAS, and Event Sourcing
Tools/Environment: IntelliJ IDEA, Maven, Kubernetes, Keycloak
Technologies: REST, Java 8, JEE7, WildFly, Hibernate, GraphQL
Modeling Language: UML 2.0
Operating System: Windows 7
Version Control: Git, Bitbucket
Process Model: Scrum
Team Size: 9

Mar 2019 - Jun 2019

4 months

Berlin, Germany

Software Engineer

Thales

Built an infrastructure for managing signal boxes
Analyzed the system architecture
Performed performance analysis of the RabbitMQ message broker
Specified software requirements
Implemented new RESTful endpoints
Reviewed implementations
Implemented unit and integration tests
Extended the Jenkins pipeline
Developed software documentation
Tools/Environment: IntelliJ IDEA, CF-CLI, Maven Pipeline, Cloud Foundry
Technologies: REST, Spring Boot, Spring Security, Jenkins, Maven, Groovy, Java 8, RabbitMQ, OAuth2, Hibernate, Eureka, SSO, Spring Cloud LoadBalancer
Modeling Language: UML 2.0
Operating System: Windows 10
Version Control: Git, Bitbucket
Process Model: Scrum
Team Size: 7

Feb 2019 - Mar 2019

2 months

Berlin, Germany

Software Engineer

Nitrokey

Created a proof of concept for secure user authentication
Analyzed the system architecture
Conceptualized a software architecture
Implemented the proof of concept for an embedded system
Modularized JDK 10
Developed software documentation
Tools/Environment: IntelliJ IDEA
Technologies: WSDL SOAP, Java 10, SASL, ISP
Modeling Language: UML 2.0
Operating System: Linux
Version Control: Git, GitLab
Team Size: 3

Dec 2018 - Dec 2018

1 month

Berlin, Germany

Frontend Developer

Exodus Berlin

Developed a logo animation
Tools/Environment: WebStorm
Technologies: JavaScript, SCSS, Node.js, npm
Version Control: Git
Team Size: 2

Sep 2018 - Jan 2019

5 months

Hennigsdorf, Germany

Senior Java Developer

Yara WaterConnect

Developed in the field of digital farming
Tools/Environment: IntelliJ, YouTrack, Docker, Azure
Technologies: RESTful Services, Spring Boot, SQL, Java 8, SSO, Hibernate, Kubernetes, Keycloak
Databases: Cosmos DB, MS SQL Server
Operating System: Linux
Version Control: Git, GitHub, GitLab
Process Model: Scrum
Team Size: 9

Jun 2018 - Aug 2018

3 months

Berlin, Germany

Senior Java Developer

RatePay

Development of a messaging system
Tools/Environment: IntelliJ, Jenkins, Docker
Technologies: Spring Boot, SQL, Java 8, Spring Batch, Hibernate, Kafka, Grafana
Databases: MySQL, PostgreSQL
Operating System: Linux
Version Control: Git
Methodology: Scrum
Team Size: 8

Nov 2017 - Apr 2018

6 months

Berlin, Germany

Software Engineer

BEAN

Development of a GIS system
Tools/Environment: Emacs
Technologies: LeafletJS
Scripting/Programming Languages: JavaScript, Erlang, Vue.js
Database: Mnesia
Operating System: Linux
Version Control: Git
Architecture: Java SE/Erlang/OTP
Application Container: Cowboy
Web Service: JSON-based REST services
Methodology: Agile development
Team Size: 5

Jul 2017 - May 2018

11 months

Berlin, Germany

Senior Java Developer

WPK

Portal development for a JEE-based application
Tools/Environment: Eclipse, RAD, Maven, Sonar, Nexus, TeamCity
Technologies: Spring, JSF (Mojarra, PrimeFaces), jQuery, Tomcat, WebSphere, SQL
Databases: AS400, DB2
Operating System: Windows 10
Version Control: SVN
Methodology: Agile software development
Team Size: 5

May 2017 - Jul 2017

3 months

Berlin, Germany

Software Engineer

Zalando SE

Development of management software to handle returns
Tools/Environment: IntelliJ IDEA, Stups, PIP, GitEye
Technologies: Spring Boot, AWS, Zign, AWS-KMS, Web Services (SOAP/REST), Docker, Grafana
Databases: PostgreSQL, Cassandra
Architecture: Microservices
Modeling Language: UML 2.0
Operating System: Linux
Version Control: Git
Methodology: Kanban
Team Size: 9

Jan 2017 - Apr 2017

4 months

Berlin, Germany

Java Developer

Arxes-Tolina

Frontend and backend development of a single page application/JEE application
Technologies: Spring MVC, Hibernate, JUnit, Q-DSL, Knockout, Promise, Bootstrap, REST web services
Tools: Eclipse, Maven, Grunt, npm, Gulp, SCSS, GitExtension
Database: Oracle
Operating System: Windows 10
Methodology: Scrum
Version Control: Git
Team Size: 12

Sep 2016 - Sep 2016

1 month

Evaluation

Set up AngularJS in combination with Spring Boot for an Ivetime startup for evaluation

May 2015 - Dec 2016

1 year 8 months

Hanover, Germany

Senior Java Developer

Service Center for Land Development and Agricultural Funding

Development of an application to manage and process agricultural applications
Swing/JEE development (backend and frontend)
Tools: Eclipse 4.3, SQL Developer
Technologies: Java 8, JEE 6.0, Spring Boot, Spring MVC, Swing, JUnit, JBOSS 4, Hibernate, JMock, PowerMock
Architecture: Microservices
Database: Oracle
Automation Server: Jenkins
Version control: Subversion
Operating System: Windows 7
Methods: Continuous integration/delivery, daily stand-ups, short release cycles
Team size: 11

Jan 2015 - Apr 2015

4 months

Munich, Germany

Java Developer

Axa Group

Backend and frontend development in organizational programming
Further development of existing legacy applications for document generation
Bug fixing of security vulnerabilities
Tools/IDE: Eclipse, SQL Developer
Technologies: JEE 6.0 Web Services, JUnit, Spring MVC 3.1, Struts, JSP, JBOSS, Tomcat
Databases: Oracle
Automation Server: Jenkins
Version control: Subversion
Operating System: Windows 7
Team size: 3

Apr 2009 - Dec 2014

5 years 9 months

Hennigsdorf, Germany

Software Engineer

Bombardier Transportation

Development of a passenger TV system
Design of web services
Software architecture and system analysis
Requirement gathering
Backend and frontend development
Development of an authentication and authorization frontend
Coaching and coordination with offshore project companies
Tools/IDE: NetBeans 8.0, MS Visio, Sparx EA 10, UML, IIS
Techniques/methodology: OOA, OOD, DDD, UML, code review, pair programming
Technologies: J2EE 6, Web Services, JAX-WS, JPA, EclipseLink, JSF 2.0, JMS, RichFaces, PrimeFaces, MDB, EJB 3.0, JUnit 4.8.1, JavaScript, jQuery, Tomcat, Arquillian 1.1.2, GlassFish 3.1.2.2, Shell Scripts
Protocols: SOAP, HTTP/S, FTP, LDAP
Databases: Oracle 10g, MS SQL Server Express 2008, PostgreSQL 9.1
Build automation server: Jenkins
Version control systems: Rational ClearCase, MS VSS
Operating systems: Windows 2003/2008, Embedded Linux
User management: MS Active Directory
Team size: 7

Jan 2008 - Jan 2010

2 years 1 month

Berlin, Germany

Senior Java Developer

In-house Development

In-house portal development
Creation of a software requirements specification
Prototyping
Frontend development with Flex and ActionScript 3.0
Backend development in Java
Tools/IDE: Eclipse
Technologies: BlazeDS, Java 1.6, Web Services, SOAP, PayPal
Database: HSQLDB
Team size: 1

Jul 2007 - Mar 2009

1 year 9 months

Berlin, Germany

Senior Java Developer

Daimler Financial Services

Development of an administration application based on a J2EE application
System analysis
Creation of Software Requirements Specifications
Software design and architecture
UML modeling
Frontend and backend development
Techniques/Methods: OOA, OOD, UML
Tools/IDE: WSAD
Technologies: J2EE 1.4, Java, WAS 6.0, JScript, JDO
Methodology: Code review, TDD, refactoring
Database: DB2
Version control: MKS
Team size: 6

Aug 2006 - Feb 2007

7 months

Berlin, Germany

Senior Java Developer

Siemens Nokia

Portal development for an international company in the telecommunications and electronics industry
Development of a J2EE-based application for managing and controlling requirements engineering
Prototyping
UML modeling as a basis for requirements gathering/Requirements Specification
Tools/IDE: Eclipse 3.2, Subversive, Middlegen
Techniques/Methods: OOA, OOD, UML
Technologies: Java, J2EE, Tomcat 5.5, JSP, Servlets, CSS, XML, AJAX
Framework: Spring MVC
Database: MS SQL
Version control: SVN
Team size: 8

May 2006 - Aug 2006

4 months

Ostfildern, Germany

Java Developer

Falk Marco Polo Interactive

Server-side development for a publishing company and an IT service provider as part of a web portal relaunch
Unit testing and implementation of server-side modules
Adaptation of views
Tools/IDE: Subclipse, Eclipse 3.1
Technologies: Java, J2EE, Castor, JSP, Tiles, CSS, JavaScript, XML
Framework: Struts 1.3.5
Database: Oracle
Web container: Tomcat 5.5
Operating system: Windows XP
Version control: SVN

Mar 2006 - Jun 2007

1 year 4 months

Berlin, Germany

Senior Java Developer

Jamba

Frontend development, redesign, and functional extension of an existing web-based application in the digital content/community area
Tools/IDE: Eclipse 3.2, Maven
Technologies: JEE, Java, Tomcat 5.5, JSP, Servlets, CSS, JavaScript, XML, AJAX
Frameworks: Spring MVC, Struts, Stripes, Hibernate
Database: Oracle 9i
Version control: CVS
Team size: 25-30

Feb 2006 - Mar 2006

2 months

Wolfsburg, Germany

Java Developer

Gedas

Backend development for an IT company in the automotive industry as part of a portal build
Development of the persistence layer
Tools: QMF, Eclipse 3.0
Technologies: Java, J2EE, Hibernate
Database: DB2
Operating system: Windows XP
Team size: 15

Jun 2005 - Jan 2006

8 months

Berlin, Germany

Java Developer

Siemens

Development of a workflow application integrated into an existing portal for an international telecommunications and electronics company
Analysis of existing business processes and development of a workflow
Data integration via O/R mapper
Performance testing
Programming languages: Java, SQL, Stored Procedures
Technologies: J2EE, JSTL, Hibernate 3, DisplayTag, Spring MVC 1.2, JUnit 3.8
Techniques: OOA, OOD
Methodology: Code review, Pair programming, Refactoring
Tools/IDE: Eclipse 3.1, Subversion, Enterprise Manager
Database: MS SQL Server
Operating system: Windows XP
Team size: 8

Apr 2005 - May 2005

2 months

Berlin, Germany

Java Developer

n/a

Prototype development of a web application for the entertainment industry
Architecture: Struts, J2EE, EJB
Tools/IDE: Eclipse 3.1, JBOSS IDE, XDoclet, Ant
Database: PostgreSQL 7.4
Operating system: Linux
Team size: 1

Jan 2005 - Mar 2005

3 months

Munich, Germany

Software Architect

Valley Forge

Development of a software architecture concept and test plan for an authoring system
Refactoring of existing software modules
Development of a new server-side application
Creation of a data model
Techniques: OOA, OOD
Technologies: Java, JDBC 3.0, Struts 1.2
Architecture: Swing
Tools/IDE: JUnit 3.8.1, Eclipse 3.1
Techniques/Methodology: OOA, OOD, UML
Database: MySQL 5.0.4
Operating system: Windows 2000
Team size: 3

Oct 2004 - Dec 2004

3 months

Berlin, Germany

Java Developer

T-Systems

Creation of web-based reports using the SmartView framework
Programming languages: Java, SQL, Stored Procedures
Technologies: JSP, Servlets 2.3
Tools/IDE: Eclipse 3.1
Database: Oracle 9i
Operating systems: Windows XP, Linux 2.4
Team size: 7

Jun 2004 - Sep 2004

4 months

Berlin, Germany

Java Developer

n/a

Web development support for a shop system developer
Detailed specification and development of interfaces for a mail and payment system
XML-based communication with external systems over HTTPS
Programming language: Java
Technologies: XML, Servlet 2.3
Tools/IDE: XMLSpy, JUnit, Eclipse 3.0, Castor-XML, Resin
Database: Tamino XML
Operating system: Windows 2000
Team size: 21

Feb 2004 - Feb 2004

1 month

Berlin, Germany

Java Developer

n/a

Developed a database analysis tool for an IT company with about 5 employees
Analyzed a Java-based application
Created a data model
Programming languages: Java, SQL
Technology: JDBC 3.0
Database: MySQL 4.0
Operating system: Windows 2000
Team size: 5

Jan 2004 - Jan 2004

1 month

Berlin, Germany

Java Developer

n/a

Built a prototype as an independent project
Developed a web application for an IT service provider
Responsible for design and data modeling
Architectures: JSP/Servlets 2.3, Struts 1.2
Web server: Jakarta Tomcat 4.1
Programming language: Java
Tools/IDE: Eclipse 3.0, Ant 1.2
Database: PostgreSQL 7.3
Operating system: Linux Red Hat 9.0
Team size: 2

Jun 2003 - Dec 2003

7 months

Berlin, Germany

Java Developer

it-fws

Performed code reviews and code analysis of existing web applications for a Berlin banking group
Created technical documentation and handled quality assurance
Introduced JUnit
Technologies/methodologies: JSP/Servlet 2.3, Struts 1.2, UML 1.5
Database: Oracle 8i
Programming languages: Java, SQL
Tools/IDE: Eclipse
Techniques/methodologies: OOA, OOD, UML
Operating systems: Windows XP, Sun Solaris
Version control: CVS
Team size: 13

May 2003 - May 2003

1 month

Berlin, Germany

Java Developer

it-fws

Analyzed architecture and integrated software
Integrated a standalone application communicating with Navision via sockets
Delivered data based on XML/XML schema
Techniques used: OOA, OOD
Architecture: J2EE 1.3, Castor, Swing
Programming language: Java
Operating system: Windows XP
Version control: CVS
Team size: 2

Feb 2003 - Apr 2003

3 months

Hamburg, Germany

Java Developer

it-fws

Continued prototype development of a mobile application for a clinic
Introduced the SavaJe operating system as an alternative on PDAs to improve performance
Expanded a standalone application
Programming language: Java
Methodologies: Code review, TDD, pair programming, extreme programming, test-first
Tools/IDE: IntelliJ
Frameworks/technologies: JWAM, RMI, MIDP, Swing
Version control: CVS
Operating systems: Windows 2000/XP, SavaJe, Windows CE

Jan 2003 - Jun 2003

6 months

Berlin, Germany

Java Developer

it-fws

Framework design and analysis as part of an internal open source project
Technologies: JSP/Servlets 2.3, XML 1.0, XSLT, Struts 1.0
Programming languages: Java, SQL
Database: MySQL
Tools/IDE: Eclipse
Operating system: Windows XP
Version control: CVS
Team size: 2

Jan 2003 - Jan 2003

1 month

Potsdam, Germany

Java Developer

it-fws

Conducted a data migration for a medical association
Migrated data from Sybase to MySQL
Redesigned the existing web application
Technologies/Architecture: JSP/Servlet, Struts, EJB, JBOSS 3.0 (J2EE 1.2)
Methodologies: Code review, Pair Programming, Extreme Programming, Test First
Programming languages: Java, SQL
Markup language: XML 1.0
Databases: MySQL, Sybase
Operating systems: Windows XP/NT
Tools/IDE: Eclipse
Version control: CVS
Team size: 2

Jun 2002 - Dec 2002

7 months

Berlin, Germany

Java Developer

Berliner Wasserbetriebe

Software design and analysis for a utility company with about 1000 employees
Built prototypes with SAP integration
Designed and implemented a modular application that connects to the SAP system via BAPI
Performed integration and system tests including documentation
Integrated an external system written in C++ via JNI
Programming language: Java
Tools/IDE: IntelliJ
Framework: JWAM Framework
Methodologies: Extreme Programming, TDD, Code Review, Pair Programming
Technologies: BAPI, JUnit, JNI
Architecture: Swing
Operating systems: Windows XP/NT
Employer: it-fws
Team size: 7

May 2002 - Jun 2002

2 months

Hamburg, Germany

Java Developer

it-fws

Created prototypes and evaluated MIDP technology on Windows CE for a university clinic
Designed a mobile application for a PDA
Designed a standalone application that receives mobile data via RMI
Programming language: Java
Technologies/Architecture: RMI, JWAM, Swing
Operating systems: SavaJe, Windows CE, Windows 2000
Tools/IDE: WebSphere Studio Application Developer, JBuilder

Apr 2002 - Apr 2002

1 month

Berlin, Germany

Java Developer

it-fws

System analysis for a clinic
Designed a driver for data exchange of different lab devices running in parallel and controlled through a web application
Programming languages: C/C++
Operating system: Linux (Kernel 2.4)
Team size: 2

Jan 2002 - Jan 2002

1 month

Berlin, Germany

Java Developer

it-fws

Prototype development of a content management system (in-house)
Development of a prototype
Programming language: Java
Architecture: Swing
Technologies: JAXB, XML
Operating system: Windows 2000
Team size: 3

Jul 2001 - Dec 2001

6 months

Berlin, Germany

Java Developer

Landesbank Berlin

Development of a web application
Frontend: GUI design and implementation
Introduction of a style guide
Development of a GUI builder framework for web interfaces
Technologies: JSP/Servlet 2.2, Tomcat 3.3, Struts 0.9
Tools/IDE: JBuilder, Visio, Case 4.0
Operating systems: Windows NT, Solaris
Employer: itelligence AG
Team size: 30

Mar 2001 - Apr 2001

2 months

Dortmund, Germany

Java Developer

Rewe

Consulting and training for migrating CSP code from host architecture to x86 architecture for a wholesale operation
Porting program code written in CSP to Java code via Visual Age Generator
Tools/IDE: Visual Age for Java, Visual Age Code Generator
Database: DB2
Operating systems: IBM host, Windows NT/2000
Employer: itelligence AG

Apr 2000 - Oct 2000

7 months

Lucerne, Switzerland

Technical Project Manager

Dialog AG

Technical project manager for the development of a software module for administrations and municipalities in an international team
Leading offshore development
Introduction of initial object-oriented programming approaches
Introduction of a 3-tier architecture
Programming languages: Visual Basic 5.0, SQL
Tools/IDE: Visual Studio
Database: MS SQL Server
Operating system: Windows NT
Team size: 8

Oct 1999 - Jul 2000

10 months

Lucerne, Switzerland

VBA Developer

Dialog AG

Development of a 2-tier module for municipalities and administrations
Structured programming on Windows NT
Programming languages: Visual Basic 3.0, SQL
Tools/IDE: Visual Studio
Database: Access 3.0
Operating system: Windows NT
Team size: 8

Apr 1998 - May 1998

2 months

Berlin, Germany

Internet Consultant

IT consulting for an international trading company with about 8 employees
Support for the successful launch of the company online

Aug 1997 - Dec 1997

5 months

Berlin, Germany

Software Tester

Kuhnke GmbH

Conducting software quality tests
Software administration
Sales activities for a measurement system manufacturer with about 12 employees
Team size: 4

Mar 1997 - Sep 1998

1 year 7 months

Berlin, Germany

IT Consultant

Kupon GmbH

IT consulting for a transit trading company
MS Office coaching

Industry Experience

See where this freelancer has spent most of their professional time.

Experienced in Information Technology, Manufacturing, Banking and Finance, Government and Administration, Telecommunication, and Agriculture.

Information Technology

Manufacturing

Banking and Finance

Government and Administration

Telecommunication

Agriculture

Business Area Experience

See which departments and functions this freelancer has contributed to most.

Experienced in Information Technology, Product Development, Quality Assurance, Project Management, and Sales.

Information Technology

Product Development

Quality Assurance

Project Management

Sales

Skills

Operating Systems: Windows Nt, Xp, 2000, Linux, Freebsd, Ms-dos, Windows Ce, Savaje, Solaris, Windows Server 2003/2008, Flash-linux
Programming Languages: C, C++, Java, Visual Basic, Sql, Perl, Stored Procedures, Erlang
Scripting Languages: Html, Xml, Xsl, Shell Scripts, Javascript, Jscript, Actionscript, Flex
Databases: Oracle, Ms Sql Server, Access, Postgresql, Db2, Mysql
Data Communication: Tcp/ip, Http/s, Ftp, Rtsp, Rmtp, Smtp, Iso/osi, Ethernet, Wlan, Lan, Gsm, Gprs/edge/umts, Intranet, Internet, Soap, Websocket
Industries: Healthcare, Banking, Public Institutions & Municipalities, Retail, It, Utilities, Telecommunications, Automotive, Human Resources, Transportation, Mechanical Engineering
Technologies: Jdbc, Odbc, Com, Com+, Jdo, Rmi, Jni, Ajax, Jpa, Eclipselink
Architectures: Frameworks, Jwam, Mvc, 3-tier Architecture, Navision, Swing, Apache Tomcat, Jboss, J2ee, J2me, Struts, Junit, Jsp/servlets, Git, Bitbucket, Midp, Blazeds, Spring, Spring Boot, Quarkus, Web Services/rest, Android, Wca, Micro Services
Project Topics: Extreme Programming, Test First, Integration Testing, Data Migration, 3-tier Application, Web Application, Quality Assurance, Technical Documentation, Custom Software Solution, Software Integration, System Analysis, Software Ergonomics, Data Modeling, Software Design & Implementation, Software Engineering, System Takeover, Training, Code Review, Code Analysis, Offshore Development, Requirements Engineering, Cross Site Request Forgery
Ide/tools: Eclipse, Intellij Idea, Visual Age For Java, Netbeans, Jbuilder, Visual Studio, Emacs, Vi, Vim, Sniff++, Visio, Case 4.0, Csv, Wsad, Ant
Other Skills: Uml, Sysml, Ooa, Ood, Design Patterns, Domain-driven Design, Cadastral Systems, Human Resources Management, Limit Management, Framework Credit Line Management, Ireb Certified Professional For Requirements Engineering (Cpre)

Languages

German

Native

English

Advanced

French

Elementary

Portuguese

Elementary

Education

Oct 1996 - Jun 1999

Chamber of Industry and Commerce Halle

Mathematical-Technical Assistant · Computer Science · Halle (Saale), Germany

Certifications & licenses

IREB Certified Professional for Requirements Engineering (CPRE)

Statistics

Experience

Total positions 48

Experience in Information Technology 7.5 y

Avg length 7 m

Longest experience 5 y 8 m

Global Experience

Countries worked in 2 (Germany, Switzerland)

Primary country Germany

Expertise

Recent roles IT Instructor, Product Development, Senior Java Developer/DevOps

Main industries Information Technology, Manufacturing, Banking and Finance

Main business areas Information Technology, Product Development, Quality Assurance

Qualifications

Certifications earned 1

Profile

Created

August 2025

Last Update

April 2026

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Frequently asked questions

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

Where is Ola based?

Ola is based in Berlin, Germany.

What languages does Ola speak?

Ola speaks the following languages: German (Native), English (Advanced), French (Elementary), Portuguese (Elementary).

How many years of experience does Ola have?

Ola has at least 24 years of experience. During this time, Ola has worked in at least 14 different roles and for 34 different companies. The average length of individual experience is 1 year and 6 months. Note that Ola may not have shared all experience and actually has more experience.

What roles would Ola be best suited for?

Based on recent experience, Ola would be well-suited for roles such as: IT Instructor, Product Development, Senior Java Developer/DevOps.

What is Ola's latest experience?

Ola's most recent position is IT Instructor.

What companies has Ola worked for in recent years?

In recent years, Ola has worked for Reseller Payment System, Public Authority, and Telefónica/TechMahindra.

Which industries is Ola most experienced in?

Ola is most experienced in industries like Information Technology, Manufacturing, and Banking and Finance. Ola also has some experience in Government and Administration, Telecommunication, and Agriculture.

Which business areas is Ola most experienced in?

Ola is most experienced in business areas like Information Technology, Product Development, and Quality Assurance. Ola also has some experience in Project Management, Sales, and Logistics.