Wolfgang O. - Lead Developer

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Bodolz, Germany

Experience

Feb 2023 - Mar 2025

2 years 2 months

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Gematik

Developed the frontend of DEMIS (German Electronic Reporting and Information System for Infection Protection). Angular, TypeScript, Single-SPA microfrontend, Java, Docker, Kubernetes, PostgreSQL, REST.
Prototype development of a compiler from HL7 FHIR to Angular Formly.

Mar 2022 - Dec 2022

10 months

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Generali Insurance

Worked on the "Mobile Health App", Angular/Ionic for Android and iOS.

Sep 2020 - Mar 2022

1 year 7 months

Ulm, Germany

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Daimler TSS

Developed the Privacy Center for Mercedes-Benz.
Java, ReactJS, connected to a variety of backend systems (Docker, Kubernetes, REST) using Java/Kotlin/Spring.
Re-implemented the frontend in VueJS.

Jul 2019 - Dec 2019

6 months

Ludwigsburg, Germany

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UID

Implemented a web application to control industrial label printers.
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).
As lead developer, responsible for the entire system design (Angular, TypeScript, Java, Spring, Kafka, MongoDB, Jira, Git, Jenkins, MS-SQL, REST).

Jul 2017 - Nov 2017

5 months

Stuttgart, Germany

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Hallesche Versicherung

Supported the client in introducing AngularJS.
In two teams (4 people each), a small but production-ready web application was developed (Subversion).

Dec 2016 - Jun 2017

7 months

Zürich, Switzerland

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Avaloq

For a browser-based front-office banking application, aggregated from a variety of independent, partially nested sub-applications across different technology platforms (7 teams with about 100 people delivered the dashboard applications), I designed and implemented an efficient keyboard navigation concept (JavaScript, Git, Oracle).

Feb 2016 - Oct 2016

9 months

Winterthur, Switzerland

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AXA Winterthur

Developed a public web application to allow insurance customers to manage their contracts and process claims on desktop or mobile.
In addition to using AngularJS, developed several adapters in the Java backend for a diverse system landscape (host systems, CORBA, JavaEE, SOAP, REST/JSON, DB2, REST) (Jira, Git, Jenkins).

Mar 2015 - Dec 2015

10 months

Bern, Switzerland

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Schweizer Post

As part of the consolidation of the Swiss Post's entire address management (ZOPA), responsible for designing and implementing GUI components that Post customers can embed in their own web applications.
Frontend project team of 20 developers (AngularJS); the entire integration project involved 200 developers from supplying systems (Java, Spring (-Batch), JavaScript, REST, Jira, Git, Jenkins, Oracle).

Apr 2014 - Dec 2014

9 months

Frankfurt, Germany

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Deutsche Bank

Web GUI for managing, executing, and evaluating tests.
Integration project connecting to multiple legacy systems (Java, ReactJS, Apache POI, Apache FOP, REST).

Jan 2014 - Mar 2014

3 months

Riedlingen, Germany

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Gönner

In-house web app for an online mail-order retailer. Integration with Amazon/Ebay/Magento shop.
Solely responsible for architecture, design, implementation (Java, JavaScript, Tomcat, AngularJS, REST).

Sep 2012 - Dec 2013

1 year 4 months

Sindelfingen, Germany

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Daimler

The goal of the project was to replace a set of manually managed Excel sheets used to plan, track, and document engine controls and their firmware versions with a database solution including a web GUI.
After a feasibility study, the project was cancelled.

Feb 2010 - Jun 2012

2 years 5 months

Ulm, Germany

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Fritz & Macziol

EANV - portal to support all parties in waste management to meet their legal documentation requirements for transporting and processing hazardous waste, 15 employees.
Web application for regulatory XML documents (Jira, Git, Jenkins, XSL, XSLT, Java, Struts, Apache POI, Apache FOP).

Jan 2006 - Nov 2009

3 years 11 months

Munich, Germany

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Giesecke & Devrient

Backend system to support/manage the electronic health card (eGK): consolidating health insurance data, processing and providing it to the smart card manufacturer.
A key part was the cryptographic security, key management, and certificate management (Java, DB2, Oracle, Spring, Subversion, Hudson).

Mar 2004 - May 2005

1 year 3 months

Kirchheim unter Teck, Germany

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DaimlerChrysler

Collecting, converting, analyzing, and visualizing the measurement data from ~100 fuel cell cars used worldwide.
Responsible for architecture, design, and implementation. Project team of 2 employees (Java, Tomcat, shell scripting, C, MS-SQL Server).

Jun 2003 - Feb 2004

9 months

Esslingen, Germany

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Zimmermann

Web app for an electrical installer to manage material requirements, ordering, inventory, staff scheduling, reports, project cost estimation.
Solely responsible for architecture and implementation (Java, Tomcat, JSP).

Mar 2002 - Jun 2002

4 months

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Private

Single-page app (MySQL, JSP, Java, JavaScript) for company/department/pub table bets.
The application ran until the 2014 Football World Cup.
At that time, 150 groups took part, including Daimler R&D Sindelfingen with 1,700 participants.
The football betting was hosted on a private server from 2002 until 2014 on AWS.

Sep 1999 - Apr 2003

3 years 8 months

Kirchheim unter Teck, Germany

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DaimlerChrysler

Y2K support
Support for migrating from MS Exchange to Lotus Notes
Consulting on PGP implementation
Full-text search engine for local Windows NT file servers with access rights consideration
Several small Lotus Domino applications

Jan 1992 - Dec 1999

8 years

Architect and Developer

Built an inventory management system for the textile industry.
Responsible for architecture, design, and development.
Technologies: Ingres, OpenRoad, C.

Summary

30 years of experience as a software developer. Of these, 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 different sizes and Scrum in various forms.

IT interests: programming languages, especially functional languages 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.