Wolfgang Felsen - Delphi Software Developer

Q: Where is Wolfgang based?

Wolfgang is based in Freising, Germany and can operate in on-site , hybrid , and remote work models.

Q: What languages does Wolfgang speak?

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

Q: How many years of experience does Wolfgang have?

Wolfgang has at least 39 years of experience. During this time, Wolfgang has worked in at least 3 different roles and for 6 different companies . The average length of individual experience is 6 years and 5 months . Note that Wolfgang may not have shared all experience and actually has more experience.

Q: What is Wolfgang's latest experience?

Wolfgang's most recent position is Delphi Software Developer at Goebel Instrumentelle Analytik .

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

In recent years, Wolfgang has worked for Goebel Instrumentelle Analytik .

Q: Which industries is Wolfgang most experienced in?

Wolfgang is most experienced in industries like Automotive , Manufacturing , and Chemical . Wolfgang also has some experience in Information Technology (IT) , Banking and Finance , and Transportation and Logistics .

Q: Which business areas is Wolfgang most experienced in?

Wolfgang is most experienced in business areas like Information Technology (IT) , Product Development , and Business Intelligence . Wolfgang also has some experience in Quality Assurance (QA) , Accounting , and Supply Chain Management .

Q: Which industries has Wolfgang worked in recently?

Wolfgang has recently worked in industries like Chemical .

Q: Which business areas has Wolfgang worked in recently?

Wolfgang has recently worked in business areas like Information Technology (IT) and Product Development .

Recommended expert

Freising, Germany

Experience

Jan 2016 - Present

10 years 2 months

Delphi Software Developer

Goebel Instrumentelle Analytik

Took over software development and further development of an HPLC and photometer control and evaluation system
Skills: software development · software system engineering · Microsoft SQL Server · software design · Delphi · HPLC · analytics · PDF · product data management

Jan 2008 - Jan 2015

7 years 1 month

Rimsting, Germany

Delphi Developer

faircons

Developed and implemented a global ticketing system for banking - Daimler Bank Stuttgart
Skills: Delphi · software development · business analysis · analytical skills

Jan 2006 - Dec 2007

2 years

Munich, Germany

Delphi Developer

PROSOZ Herten GmbH

Accounting functions in the software package for youth welfare offices
Skills: Delphi · Oracle SQL Developer · Oracle database

Jan 2004 - Dec 2005

2 years

Hamburg, Germany

Delphi Developer

Hays

System for batch tracking in the food industry (Interschalt for Hawesta, Euryza, Haleko)
Skills: Delphi · analytical skills · Oracle database · barcode technology · barcode scanners · wireless sensor networks · delivery advice EDI

Jan 2002 - Dec 2004

3 years

Munich, Germany

Software Engineer

SEKAS GmbH

Worked on a test system for satellite phones (Rohde & Schwarz)
Control of a high-bay warehouse
Skills: software development · C++ · real-time operating systems (RTOS)

Aug 1986 - Dec 2003

17 years 5 months

Freising, Germany

Delphi Software Developer

egentur.de

Development of the machine and operational data acquisition system MADADOR / MADALOG for Siemens AG in Munich. Further development and maintenance of over 80 systems in the DACH region, Italy and the USA
Skills: Delphi · Microsoft SQL Server · Software development · Freelance work · Oracle database · Automotive · Automation

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 Automotive (17.5 years), Manufacturing (17.5 years), Chemical (10 years), Information Technology (9 years), Banking and Finance (7 years), and Transportation (3 years).

Automotive

Manufacturing

Chemical

Information Technology

Banking and Finance

Transportation

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 (38.5 years), Product Development (27.5 years), Business Intelligence (7 years), Quality Assurance (3 years), Accounting (2 years), and Supply Chain Management (2 years).

Information Technology

Product Development

Business Intelligence

Quality Assurance

Accounting

Supply Chain Management

Summary

I have built my expertise over many years as a Delphi software developer, delivering robust solutions in areas like analytical instrumentation, banking, and industrial automation. My work spans from developing control systems for HPLC and photometer devices to implementing worldwide ticketing systems and integrated data management tools.

I focus on practical and efficient software design, using technologies such as Microsoft SQL Server, Oracle, and barcode systems. My background allows me to provide reliable software solutions that meet the demands of various industries and complex technical environments.

Skills

It Experience Since 1986
Hardware: Intel P/80x86/8051/
Development Systems: Win9x, W2k, Winnt, Winxp, Motorola 6800, Vax, Pdp11, Iec-bus, Serial Interface, Din-bus, Sienec L2, Simatic Ag95, Ag115, Profibus Dp, Beckhoff Twincat Plc
Operating Systems: Cp/m, Ms-dos, Windows 3.x / 95 / 98 / Nt, 2000, Xp, Vista, Unix, Linux, Qnx (Realtime Unix), Novell Netware, Banyan Vines, Sco Unix, Interactive Unix, Vms, Bs2000
Databases/tools: Windows Server 2019, Windows 7, Win8, Win10, Win11, Excel, Ms Office, Ms Sql Server, Postgresql, Mysql, Interbase, Bde, Mfc, Oracle
Protocols: Ieee 488, Rs232, Df40, L1, Gsm900/dcs1800/pcs1900, Tcp/ip, Ftp, Com, Dcom, Activex, Unicode
Programming Languages: Delphi (All Versions, Currently Delphi 10.2 Tokyo), Vc++ (Incl. Mfc), C++, C, C#, Pascal, Html, Php, Perl, Javascript, Java, Asp, Vba, Basic, X86 Assembler, Heat, Step5, Step7, Iec 61131-3

Languages

German

Native

English

Advanced

Profile

Created

January 2026

Last Update

February 2026

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Frequently asked questions

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

Where is Wolfgang based?

Wolfgang is based in Freising, Germany and can operate in on-site, hybrid, and remote work models.

What languages does Wolfgang speak?

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

How many years of experience does Wolfgang have?

Wolfgang has at least 39 years of experience. During this time, Wolfgang has worked in at least 3 different roles and for 6 different companies. The average length of individual experience is 6 years and 5 months. Note that Wolfgang may not have shared all experience and actually has more experience.

What roles would Wolfgang be best suited for?

Based on recent experience, Wolfgang would be well-suited for roles such as: Delphi Software Developer, Delphi Developer, Software Engineer.

What is Wolfgang's latest experience?

Wolfgang's most recent position is Delphi Software Developer at Goebel Instrumentelle Analytik.

What companies has Wolfgang worked for in recent years?

In recent years, Wolfgang has worked for Goebel Instrumentelle Analytik.

Which industries is Wolfgang most experienced in?

Wolfgang is most experienced in industries like Automotive, Manufacturing, and Chemical. Wolfgang also has some experience in Information Technology (IT), Banking and Finance, and Transportation and Logistics.

Which business areas is Wolfgang most experienced in?

Wolfgang is most experienced in business areas like Information Technology (IT), Product Development, and Business Intelligence. Wolfgang also has some experience in Quality Assurance (QA), Accounting, and Supply Chain Management.

Which industries has Wolfgang worked in recently?

Wolfgang has recently worked in industries like Chemical.

Which business areas has Wolfgang worked in recently?

Wolfgang has recently worked in business areas like Information Technology (IT) and Product Development.

What is the availability of Wolfgang?

Wolfgang is immediately available full-time for suitable projects.

What is the rate of Wolfgang?

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