Wolfgang Felsen-Delphi Software Developer
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Experience
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
Delphi Developer
faircons
- Developed and implemented a global ticketing system for banking - Daimler Bank Stuttgart
- Skills: Delphi · software development · business analysis · analytical skills
Delphi Developer
PROSOZ Herten GmbH
- Accounting functions in the software package for youth welfare offices
- Skills: Delphi · Oracle SQL Developer · Oracle database
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
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)
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
Industry experience
See where this freelancer has spent most of their professional time.
Experienced in Automotive, Manufacturing, Chemical, Information Technology, Banking and Finance, and Transportation.
Business area experience
See which departments and functions this freelancer has contributed to most.
Experienced in Information Technology, Product Development, Business Intelligence, Quality Assurance, Accounting, and 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
Statistics
Experience
Global experience
Expertise
Profile
Frequently asked questions
Have questions? Find more information here.
Wolfgang is based in Freising, Germany and can operate in on-site, hybrid, and remote work models.
Wolfgang speaks the following languages: German (Native), English (Advanced).
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 7 years and 6 months. Note that Wolfgang may not have shared all experience and actually has more experience.
Based on recent experience, Wolfgang would be well-suited for roles such as: Delphi Software Developer, Delphi Developer, Software Engineer.
Wolfgang's most recent position is Delphi Software Developer at Goebel Instrumentelle Analytik.
In recent years, Wolfgang has worked for Goebel Instrumentelle Analytik.
Wolfgang is most experienced in industries like Automotive, Manufacturing, and Chemical. Wolfgang also has some experience in Information Technology, Banking and Finance, and Transportation.
Wolfgang is most experienced in business areas like Information Technology, Product Development, and Business Intelligence. Wolfgang also has some experience in Quality Assurance, Accounting, and Supply Chain Management.
Wolfgang has recently worked in industries like Chemical.
Wolfgang has recently worked in business areas like Information Technology and Product Development.
The availability of Wolfgang needs to be confirmed.
Daily rate distribution
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Average rates for similar positions
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The average daily rate is the mean of all daily rates from recent contracts of comparable freelancers on our platform.
The median daily rate is the middle value of all daily rates — half of comparable freelancers charge less, half charge more. Unlike the average, it is barely affected by outliers.
Calculated based on our freelancers’ daily rates as of 30 Aug 2026. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.
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