Jürgen S.
Software Development and Design
Experience
Sep 2024 - Jan 2025
5 months Lorem ipsum dolor sit amet
Service Provider
- Development of calculation formulas for yield optimization
- Creation of Python-based tools for calculating relevant production parameters
- Automated testing of the tools
- Automatic generation of Excel files and datasheets, filling table cells and formatting cells
Jul 2024 - Aug 2024
2 months Lorem ipsum dolor sit amet
Medical Environment
- Provisioning of card readers via RNDIS on embedded Linux microcomputers for enterprise use
- Network configuration for different Linux operating system variants
Dec 2019 - Jun 2024
4 years 7 months Lorem ipsum dolor sit amet
Insurance
- Migrating the source code from the existing version control system to Git
- Migrating ANT and Eclipse PDE builds to Maven
- Switching the OSGi build to Maven with Tycho
- Providing P2 repositories and packaging for test deployments
- Setting up Jenkins jobs with integration to GitHub and Artifactory
- Managing release processes and aggregating test results
- Developing tools for metadata generation in Java and Python
- Daily analysis of build failures and development of fixes
- Automated generation of Eclipse PSF files for developers
- Developing Maven extensions for annotation-driven test run control
- Remote debugging and adjustment of Tycho configurations for cross-platform testability
- Runtime optimization of build and test runs
- Evaluating and adapting for updated Tycho versions
- Implementing Java encryption tools to provide encrypted credentials
- Consolidating Eclipse PDE workspaces with the Maven Tycho Jenkins build process
Dec 2019 - Feb 2020
3 months Lorem ipsum dolor sit amet
Systems Integrator
- Full-stack implementation of a NodeJS SPA application
- Data preparation and provisioning in MongoDB
- Implementation of business logic with NodeJS and Express
- API provisioning
- UI implementation with Angular 8
- Deployment
Oct 2019 - Dec 2019
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Systems Integrator
- Customizing ARM-based Linux microcomputer images
- Compiling up-to-date libraries to enable secure logins
- Providing a GUI application for easy workstation configuration
- Adjusting access permissions
- Minimizing system images
Jul 2019 - Sep 2019
3 months Lorem ipsum dolor sit amet
Company in the insurance sector
- Development of new features in Java code and JSP pages
- Conducting JUnit-based developer tests
- Deploying and rolling out code artifacts to existing environments
- Providing second-level support for the deployed application
Apr 2018 - Jun 2019
1 year 3 months Lorem ipsum dolor sit amet
Company in the automotive sector
- Development of a scalable tool for global collection of large data volumes (petabytes)
- Implementation of web API functionality and data upload (measurement data series, attachment files)
- Data conversion, metadata extraction, and persistence
- Linking in a graph database
- Search and cluster synchronization
- Creation of data flows and application-specific NiFi processors
Oct 2017 - Feb 2018
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Company in the food industry
- Implementation of high-performance RESTful web services as microservices in Docker containers
- Import of source data from JSON/CSV and integration with JMS message services
- Data processing and persistence in MongoDB
- Providing service endpoints as REST services
- Setting up a message queue for data exchange between microservices
- Developing business logic and MongoDB queries
- Generating Swagger UI annotations
- Service registration and JUnit tests
Jan 2015 - Sep 2017
2 years 9 monthsSoftware Development and Design
Supplier for engine manufacturing
- Project 1: Providing Excel-based input forms, creating XML schemas, generating XML import files, data validation, and plausibility checks
- Project 2: Extending the web-based intranet application with new features, creating forms, data modeling, adjusting the database, generating PDFs with iText, JavaScript programming
- Project 3: Porting a C++-based terminal application to C# and implementing additional features
- Project 4: Extending a web-based intranet application with processing locks, creating forms, JavaScript programming, CSS
- Project 5: Continual requirement gathering and adapting internal web applications for production control, collecting production data, creating test plans, quality assurance
Nov 2014 - Dec 2014
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Automotive manufacturer
- Prototype for replacing Excel-based configuration file creation
- Development of a Java-based Windows application
- Database and GUI design
- Transport functionality
Jun 2014 - Nov 2014
6 months Lorem ipsum dolor sit amet
Automotive Manufacturer
Subproject 1: Extension of a Java-based sales workstation application, optimization of software model downloads, client/server version reconciliation, algorithm development, local data cleanup
Subproject 2: Debugging and fixing of a Java-based web service for status process data transmission
Subproject 3: Performance analysis of a Hibernate-based server information application, database and query optimization
Subproject 4: New development of a Java-based web application for server data presentation, architecture selection, creation of a modern dynamic web interface
Jan 2013 - May 2014
1 year 5 months Lorem ipsum dolor sit amet
Insurance Company
- Extending a cross-platform code library for calculating financial math values
- Code analysis and optimization, removal of redundant code
- Code generation for Windows, Linux, and mainframes
- Implementing new features and providing variables for PDF letter writing
- Error analysis and fixing
- Generating and documenting Java<==>C++ interfaces
- Test GUI integration, load testing and memory usage analysis
Nov 2011 - Dec 2012
1 year 2 months Lorem ipsum dolor sit amet
Banking and Insurance Company
- Extending an existing application with rate options for interest and repayment calculation
- Code analysis and optimization, removal of redundant code
- Implementing rate details and calculation logic
- GUI adjustments and portal application enhancements
- Report creation with BIRT and PDF processing with iText
- JUnit tests for new and existing functionality
Sep 2011 - Nov 2011
3 months Lorem ipsum dolor sit amet
Electronics Corporation
- Debugging a C++-based Windows 7 application for memory and resource leaks
- Code analysis, cleanup, and fixing across various OS language versions
- Adaptation for Windows 7 compliance
Sep 2010 - Sep 2011
1 year 1 month Lorem ipsum dolor sit amet
Global Power Plant Construction Company
- Further development of an existing Java application for quoting, calculation, logistics, and supplier integration
- Optimization of the application server, persistence framework, and client application
- Automation interface to Excel and Word
- Database function and model adjustments
Jul 2010 - Sep 2010
3 months Lorem ipsum dolor sit amet
Medium-sized manufacturer of technical products
- Porting, further development and maintenance of a C++-based ERP solution to .NET
- GUI design and implementation of new features
- Integration with third-party systems
- Runtime and database optimization
May 2010 - Present
15 years 5 months Lorem ipsum dolor sit amet
IT service provider in the automotive sector
- Consulting on software distribution of Java-based web applications
- Analysis of existing Java applications and deployment mechanisms
- Concept development for future deployment and modification steps
Mar 2010 - Jul 2010
5 months Lorem ipsum dolor sit amet
IT service provider
- Development of a web application for team collaboration, resource planning and management
- Database and web GUI design
- Implementation with Java 1.6, Tomcat, JPA, JFaces, RichFaces
Feb 2010 - Mar 2010
2 months Lorem ipsum dolor sit amet
Electronics corporation
- Porting and further development of a Java 1.6-based recommendation system to C++ for Windows
- Environment-specific adjustments and build system creation
Dec 2009 - Feb 2010
3 months Lorem ipsum dolor sit amet
IT service provider
- Java training in the area of JFaces and RichFaces
Jun 2009 - Dec 2009
7 months Lorem ipsum dolor sit amet
Electronics corporation
- Porting and further development of a Java 1.6-based recommendation system to C++ for embedded and PC applications
- Implementation of collection, string, and regex classes
- Optimization of Java code for resource usage
Jan 2009 - May 2009
5 months Lorem ipsum dolor sit amet
Custom machine construction
- Development of a user program for NC programming of a machine control
- Integration via OPC server, UI creation, and commissioning
Nov 2008 - Jan 2009
3 months Lorem ipsum dolor sit amet
Insurance company
- Creation of functional tests for a web client application for data capture and presentation
- Analysis of business requirements and workflows
- Creation of JUnit tests
Oct 2008 - Oct 2008
1 month Lorem ipsum dolor sit amet
System integrator
- Setup of an application server with JBoss 4.2.3
- Integration of the company database with the intranet
- Provision of data via JSP, servlets, and web services
Sep 2008 - Present
17 years 1 month Lorem ipsum dolor sit amet
Custom machine construction
- Creation of a user program for the control of a production line machine
- Analysis of existing software and implementation of customer requirements
Jun 2008 - Jul 2008
2 months Lorem ipsum dolor sit amet
Sondermaschinenbau
- Creation of a user program for machine control of a production line
Jul 2007 - Aug 2007
2 months Lorem ipsum dolor sit amet
Esko Graphics
- Development of a .NET-based cost calculation tool taking into account different production processes
- Requirements analysis, database design and GUI development
Feb 2007 - Aug 2008
1 year 7 months Lorem ipsum dolor sit amet
Systemhaus
- Further development of a corporate accounting application for a publicly traded large corporation
- Implementation of various new features
- Interface for XML data import from SAP via IBM WebSphere MQ
Nov 2006 - Jan 2007
3 months Lorem ipsum dolor sit amet
Esko Graphics
- Development of a VB-based custom project management system
- Workflow creation and GUI design
Jan 2006 - Oct 2006
10 months Lorem ipsum dolor sit amet
Post IT
- Application development for transport planning with Eclipse RCP
- Modularization into plugins and GUI implementation
Apr 2005 - Jul 2005
4 months Lorem ipsum dolor sit amet
Esko Graphics
- Development of a VB-based ERP solution for workflow management
- Database design and CAD integration
Sep 2004 - Dec 2005
1 year 4 months Lorem ipsum dolor sit amet
Building automation provider
- Development of a graphical development environment for programming and simulating programmable logic controllers on Eclipse RCP
- Plugin architecture and graphical editor using GEF and Draw2D
Apr 2004 - Jun 2004
3 months Lorem ipsum dolor sit amet
IT systems integrator
- Installed a SUSE Linux 8.2 server with Samba, DNS, Subversion, and bug tracking
Dec 2003 - Mar 2004
4 months Lorem ipsum dolor sit amet
Sony – Electronics
- Development of a library to classify music files by similarity
- Specification of API functions and reimplementation of algorithms
Sep 2003 - Nov 2003
3 months Lorem ipsum dolor sit amet
Sony – Electronics
- Planning and implementation of platform-independent demo applications for audio segmentation and classification
Nov 2002 - Aug 2003
10 months Lorem ipsum dolor sit amet
Sony
- Developed a system for audio test data generation using Java and C++
- GUI for specification and script generation
Jul 2002 - Oct 2002
4 months Lorem ipsum dolor sit amet
Sony
- Developed an application for emotion recognition in C++ and TCL
Apr 2002 - Jun 2002
3 months Lorem ipsum dolor sit amet
Sony
- Expanded a system for pronunciation generation and variant creation
Jul 2001 - Mar 2002
9 months Lorem ipsum dolor sit amet
Sony
- Planned and implemented a multimodal music title selection system as a distributed application
Apr 2001 - Jun 2001
3 months Lorem ipsum dolor sit amet
Sony
- Expanded a pronunciation generation system and integrated it into the distributed system
Jan 2001 - Mar 2001
3 months Lorem ipsum dolor sit amet
Sony
- Developed a program for pronunciation generation and variant creation for speech synthesis
Apr 2000 - Dec 2000
9 months Lorem ipsum dolor sit amet
Sony
- Developed a mobile multi-channel recording system, protocol specification and software implementation
Apr 1999 - Mar 2000
1 year Lorem ipsum dolor sit amet
Sony
- Created various demo programs for speech recognition using C++ and Perl
Jan 1999 - Mar 1999
3 months Lorem ipsum dolor sit amet
Fa. Score
- Enhanced an existing CAD application using Vellum-specific scripting language
Jul 1998 - Dec 1998
6 months Lorem ipsum dolor sit amet
Packaging Industry Supplier
- Set up an intranet server with dynamic data presentation using CGI and Perl
May 1997 - Oct 1997
6 months Lorem ipsum dolor sit amet
Automotive Industry
- Extended a program for car financing/leasing in Borland C++
Aug 1996 - Dec 1998
2 years 5 months Lorem ipsum dolor sit amet
Packaging Industry Vendor
- Created an industry-specific CAD program with C++ and MFC
- GUI design and internal data structures
Apr 1996 - Jul 1996
4 months Lorem ipsum dolor sit amet
Packaging Industry Vendor
- Developed an algorithm for placing 2D graphic objects in manufacturing automation
Dec 1995 - Mar 1996
4 months Lorem ipsum dolor sit amet
System House
- Driver development for Winlab in Visual C++
Jul 1995 - Nov 1995
5 months Lorem ipsum dolor sit amet
Software Company
- Process visualization with S5 integration and Clipper database
Oct 1993 - Mar 1994
6 months Lorem ipsum dolor sit amet
Software house
- Microcontroller-controlled measurement data acquisition with PIC and Assembler
Summary
I am a seasoned software developer and designer with deep experience in engineering solutions across diverse industries such as insurance, automotive, electronics, and manufacturing. I deliver robust tools and frameworks by applying advanced programming skills in Java, Python, C++, and .NET, as well as expertise in automation, build optimization, and data processing.
I have consistently developed and improved systems ranging from high-performance RESTful services to embedded Linux solutions, effectively addressing complex challenges and optimizing processes. My work spans full-stack development, API creation, and integration projects that contribute to enhanced efficiency and quality.
Languages
German
AdvancedEnglish
AdvancedEducation
Lorem ipsum dolor sit amet
Diploma in Engineering (FH) · Electronics / Microelectronics · Germany
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