Wolfgang Oellinger

Fullstack Software Developer

Avatar placeholder
Bodolz, Germany

Experience

Feb 2023 - Mar 2025
2 years 2 months

Fullstack Software Developer

Gematik

  • Developed the frontend of DEMIS (German Electronic Reporting and Information System for Infection Protection)

  • Technologies: Angular, TypeScript, Single-SPA MicroFrontend, Java, Docker, Kubernetes, Postgres, REST

  • Prototypical development of a compiler from HL7 FHIR to AngularFormly

Mar 2022 - Dec 2022
10 months

Fullstack Software Developer

Generali Insurance

  • Developed the Mobile Health App for Android and iOS
  • Technologies: Angular, Ionic
Sep 2020 - Mar 2022
1 year 7 months
Ulm, Germany

Fullstack Software Developer

Mercedes Benz

  • Developed the Privacy Center for Mercedes Benz
  • Backend: Java/Kotlin, Spring, Docker, Kubernetes, REST
  • Connected to several Daimler TSS Ulm backend systems
  • Re-implementation of the frontend in VueJS
Jul 2019 - Dec 2019
6 months
Ludwigsburg, Germany

Fullstack Software Developer

UID

  • Implemented a web application to control industrial label printers
  • Technologies: Angular, TypeScript, RxJS, NodeJS
Dec 2017 - May 2019
1 year 6 months
Ulm, Germany

Lead Developer

Axians Ewaste

  • Implemented a web application in the environmental sector (energy monitoring, residual material management)
  • Overall responsibility for system design
  • Technologies: Angular, TypeScript, Java, Spring, Kafka, MongoDB, MS-SQL, REST
  • Tools: Jira, Git, Jenkins
Jul 2017 - Nov 2017
5 months
Stuttgart, Germany

Fullstack Software Developer

Hallesche Versicherung

  • Supported the introduction of AngularJS in two teams (4 members each)
  • Developed production-ready web applications
  • Version control: Subversion
Dec 2016 - Jun 2017
7 months
Zürich, Switzerland

Fullstack Software Developer

Avaloq

  • Designed and implemented efficient keyboard navigation for an aggregated front-office application in the banking sector
  • Aggregated partly nested sub-applications (7 teams, ~100 members)
  • Technologies: JavaScript, Git, Oracle
Feb 2016 - Oct 2016
9 months

Fullstack Software Developer

AXA Winterthur

  • Developed a public web application for policy management and claims reporting for insurance customers
  • Frontend: AngularJS
  • Java backend adapters: host systems, CORBA, Java EE, SOAP, REST/JSON, DB2
  • Tools: Jira, Git, Jenkins
Mar 2015 - Dec 2015
10 months
Bern, Switzerland

Fullstack Software Developer

Schweizer Post

  • Designed and implemented GUI components for the consolidated address management (ZOPA)
  • Components for integration into client web applications
  • Frontend: AngularJS (team: 20 developers)
  • Technologies: Java, Spring Batch, JavaScript, REST
  • Tools: Jira, Git, Jenkins, Oracle
Apr 2014 - Dec 2014
9 months
Frankfurt, Germany

Fullstack Software Developer

Deutsche Bank

  • Developed a web GUI for managing, running, and analyzing tests
  • Integration project with multiple legacy systems
  • Technologies: Java, ReactJS, Apache POI, Apache FOP, REST
Jan 2014 - Mar 2014
3 months
Riedlingen, Germany

Fullstack Software Developer

Gönner

  • Development of an in-house web app for a mail order company with integration to Amazon, eBay and Magento shop
  • Overall responsibility for architecture, design, implementation
  • Technologies: Java, JavaScript, Tomcat, AngularJS, REST
Sep 2012 - Dec 2013
1 year 4 months
Sindelfingen, Germany

Fullstack Software Developer

Daimler

  • Feasibility study and initial implementation of a web GUI and database solution for planning and documenting engine controls
  • Project was discontinued after the study
Feb 2010 - Jun 2012
2 years 5 months
Ulm, Germany

Fullstack Software Developer

Fritz & Macziol

  • Development of the EANV portal for documentation obligations in waste management
  • Web application for official XML documents
  • Technologies: Java, Struts, XSL, XSLT, Apache POI, Apache FOP
  • Tools: Jira, Git, Jenkins
Jan 2006 - Nov 2009
3 years 11 months
Munich, Germany

Fullstack Software Developer

Giesecke & Devrient

  • Development of a backend system for managing the electronic health card (eGK)
  • Consolidation of health insurance data, processing and provisioning
  • Cryptographic security, key and certificate management
  • Technologies: Java, DB2, Oracle, Spring
  • Version control: Subversion
  • CI: Hudson
Mar 2004 - May 2005
1 year 3 months
Kirchheim unter Teck, Germany

Fullstack Software Developer

DaimlerChrysler

  • Collection, conversion, analysis and visualization of measurement data from ~100 fuel cell vehicles deployed worldwide
  • Overall responsibility for architecture, design and implementation (team: 2 members)
  • Technologies: Java, Tomcat, Shell scripting, C, MS-SQL Server
Jun 2003 - Feb 2004
9 months
Esslingen, Germany

Fullstack Software Developer

Zimmermann

  • Development of a web app for material requirements, ordering, inventory, staff scheduling, reports, and project cost estimation for an electrical installer
  • Overall responsibility for architecture and implementation
  • Technologies: Java, Tomcat, JSP
Mar 2002 - Jun 2002
4 months

Fullstack Software Developer

  • Development of a single-page app for company, department, and regulars' table bets
  • Technologies: MySQL, JSP, Java, JavaScript
  • App was running until the 2014 FIFA World Cup with 150 groups and 1700 participants
  • Hosting: private server (2002–2014), AWS from 2014
Sep 1999 - Apr 2003
3 years 8 months
Kirchheim unter Teck, Germany

Fullstack Software Developer

DaimlerChrysler

  • Support for Y2K migration
  • Migration from MS Exchange to Lotus Notes
  • Consulting on PGP implementation
  • Development of a full-text search engine for Windows NT file servers, considering access permissions
  • Development of several small Lotus Domino applications
Jan 1992 - Dec 1999
8 years

Fullstack Software Developer

  • Creation of an inventory management system for the textile industry
  • Overall responsibility for architecture, design, and development
  • Technologies: Ingres, OpenRoad, C

Summary

30 years of experience as a software developer. About 15 years in medium-sized companies with overall project responsibility and 15 years at corporations like Giesecke & Devrient, Daimler, Deutsche Bank, Swiss Post, AXA Insurance, Hallsche Insurance. Experience in agile teams of various sizes and Scrum in many different forms.

Skills

  • 30 Years Of Projects Using Rdbms (E.g., Ingres, Oracle, Db2, Postgres, Mysql)

  • 25 Years Of Programming In The Java Ecosystem, Using A Variety Of Libraries.

  • 20 Years Of Programming With Html And Javascript, Spa

  • 10 Years Of Projects Using Angularjs, Angular, Reactjs, Vuejs

  • Programming Languages, Especially Functional Ones Like Haskell, Clojure, Scala, But Also More Exotic Languages Like Erlang, Prolog, Q#, Rust.

  • Software Architecture And Design Of Large Systems, Ddd, Software Quality.

  • Ai And Machine Learning.

Languages

German
Native
English
Advanced
French
Elementary

Education

University of Stuttgart

Diploma in Computer Science, minor in Linguistics · Stuttgart, Germany

Need a freelancer? Find your match in seconds.
Try FRATCH GPT
More actions

Similar Freelancers

Discover other experts with similar qualifications and experience

Thomas Hoefkens
Thomas Hoefkens

Senior MLOps, DevOps Engineer

View Profile
Christoph Wagner
Christoph Wagner

System Architect / System Engineer / Programmer

View Profile
Sebastian Kanzow
Sebastian Kanzow

Senior Lead Developer, System Architecture

View Profile
Achille Chimi
Achille Chimi

Backend/Frontend Developer

View Profile
Anton Klonov
Anton Klonov

Head of Technical Overall Integration NSC / Hadoop Cloud Development

View Profile
Stefan Baust
Stefan Baust

Senior Full Stack Developer / Co-Founder / CTO / Head of Development

View Profile
Markus Glagla
Markus Glagla

Full Stack Developer

View Profile
Rodrigue Kelen-yo
Rodrigue Kelen-yo

Fullstack Development

View Profile
Werner Keil
Werner Keil

Test Coordinator, Designer and Engineer

View Profile
Robin Sadlo
Robin Sadlo

Senior Cloud & Backend Engineer

View Profile
Timur Yalcin
Timur Yalcin

Lead Frontend Developer | Fullstack Developer

View Profile
Alexander Kapincev
Alexander Kapincev

Senior Fullstack Developer

View Profile
Dirk Bolte
Dirk Bolte

Senior Software Developer

View Profile
Peter Fleischer
Peter Fleischer

Subproject Manager and Solution Architect - Microsoft 365 Transformation

View Profile
Carlos Medina
Carlos Medina

Migration Zend Framework 2 /Laminas

View Profile
Andreas Beckers
Andreas Beckers

Senior Frontend Developer

View Profile
Osman Tartoussi
Osman Tartoussi

Senior Developer and Consultant

View Profile
Hüseyin Korkut
Hüseyin Korkut

Senior Full-Stack Engineer

View Profile
Thomas Jarnot
Thomas Jarnot

Backend Developer, DevOps Engineer

View Profile
Allal Kharaz
Allal Kharaz

Java Senior Full Stack Developer

View Profile
John Ampia-addison
John Ampia-addison

Senior DevOps Engineer

View Profile
Jan Mönnich
Jan Mönnich

Interface project at HR Solutions GmbH for Rhineland-Palatinate / BAMF

View Profile
Sven Koebnick
Sven Koebnick

All-round admin

View Profile
Thomas Ramm
Thomas Ramm

Architect, Developer

View Profile
Benedikt Buchner
Benedikt Buchner

Fullstack Developer

View Profile
Mathias Dürrenberger
Mathias Dürrenberger

Independent contractor

View Profile
Jan Lüders
Jan Lüders

Senior Developer

View Profile
Henning Pankratius
Henning Pankratius

IT consulting / development

View Profile
Johannes Erchen
Johannes Erchen

Senior Application Developer

View Profile
Ulrich Cech
Ulrich Cech

Java Architect/Developer – Freelancer

View Profile