Gottfried Arens - IT Systems Analyst and Software Developer

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Aachen, Germany

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Experience

Apr 2025 - Present

1 year 6 months

Aachen, Germany

IT Systems Analyst / Software Developer

Soft-dynamics.de

Statistical and data analysis including visualization of securities key figures, price and fundamental analysis
Development of indicators and triggers including backtests

Jan 2025 - Mar 2025

3 months

IT Systems Analyst

European Patent Office (EPO)

Processing the prior art and response to the examination report for the patent application

Jun 2024 - Jun 2024

1 month

Patent application

European Patent Office (EPO)

Patent application at the European Patent Office

Dec 2023 - Aug 2024

9 months

IT Systems Analyst

German Patent and Trade Mark Office (DPMA)

Processing the prior art for the patent application
Follow-up application taking into account delimitation requirements from a prior art document
Processing formal amendment requests for the patent application

Jul 2023 - Nov 2023

5 months

Aachen, Germany

Software Developer

Soft-dynamics.de

Data scraping and selective extraction of data from text documents published on the internet
Statistical analysis and visualization of data using Delphi
Software extension for the TChart component in Delphi for trend display of data streams and implementation of trigger signals

May 2023 - Jun 2023

2 months

Germany

Patent Application

German Patent and Trade Mark Office (DPMA)

Patent application in the field of electrical engineering, energy technology, and energy management
Drafting the application for a grid power feed-in blocker
Classifications: H02J 3/06, H02H 3/42, H02S 10/00

Mar 2023 - Apr 2023

2 months

Aachen, Germany

Software Developer

Soft-dynamics.de

Development of the configurable simulation software SolarExplorer 1.00 in Delphi
Calculation of expected yield data for solar systems depending on the sun position and panel orientation
Calculation of current, time-dependent yield as well as daily, monthly, and yearly yield

Jan 2023 - Feb 2023

2 months

IT Systems Analyst

Patent Application

Patent drafting, concept development, and theoretical elaboration
Preparation of the patent specification and carrying out functional tests

Oct 2022 - Jan 2023

4 months

Aachen, Germany

Software Developer

Soft-dynamics.de

SmartData: data scraping, data acquisition, analysis, structuring, and visualization
Statistical evaluation and pattern recognition using Delphi

Mar 2021 - Jul 2022

1 year 5 months

Aachen, Germany

Software Developer

Soft-dynamics.de

Design, architecture, and implementation of HASP security dongle access functions as software copy protection
Design and implementation of a statistics module (zValue module) for statistical evaluation and spectral display of real-time data streams
Extension of the hardware interface of measuring electronics with additional model variants
Extension of the multi-language support of user software with Spanish and French
Customer training, maintenance, and further development of software and modules

Feb 2020 - Sep 2020

8 months

Waltershausen, Germany

Software Developer

Häcker Automation GmbH

Design and development of the central software interface (DLLs) for machine control and automation technology
Development of DLL interfaces for SmarAct-SmarPod hardware and SmarAct LAM DLL
Placement and position optimization of lenses in the laser beam path

Oct 2019 - Jan 2020

4 months

Aachen, Germany

Software Developer

Soft-dynamics.de

Communication with and control of USB devices
Further training, maintenance, and further development of own software products

Jun 2019 - Aug 2019

3 months

Aachen, Germany

Software Developer

Soft-dynamics.de

Development of a software interface (DLL) for the statistical analysis (Z-value analysis) of biofeedback data
Extension of a software application in Delphi to include the user languages Spanish and French

Feb 2019 - Mar 2019

2 months

Landshut, Germany

Software Developer

Deutronic Elektronik GmbH

Design of measurement protocols on the DEWETRON laboratory measuring device
Acquisition of measured values on high-performance electric motors in the test bench

Oct 2018 - Dec 2018

3 months

Landshut, Germany

Software Developer

Deutronic Elektronik GmbH

Development of a software interface (DLL) for the DEWETRON laboratory measuring device for measured value acquisition on high-performance electric motors in the test bench
Provision of the interface for communication with the DEWETRON laboratory power supply for the serial test line, including documentation

Jan 2018 - Jun 2018

6 months

Aachen, Germany

Software Developer

Soft-dynamics.de

Maintenance and further development of our own software products (DVD interface, data views, video codec API)
Migration of a project from Delphi 7 to Delphi XE
In-house development and maintenance of analysis software for investment management and optimization
Investment evaluation and optimization using statistical analysis and machine learning algorithms
Data acquisition and market monitoring using API functions

Dec 2017 - Dec 2017

1 month

Essen, Germany

Software Developer

DMT GmbH & Co. KG

Completion of the software development project

Aug 2016 - Nov 2016

4 months

Essen, Germany

Software Developer

DMT GmbH & Co. KG

Expansion of the functionality of software for calculating and graphically displaying wire rope constructions

Aug 2015 - Oct 2015

3 months

Aachen, Germany

Software Developer

GKS Products - Günter Keitel

Jan 2015 - Dec 2016

2 years

Aachen, Germany

IT Systems Analyst / Software Developer

Soft-dynamics.de

Software enhancements and algorithmic optimization in a technical environment, as well as functional analysis and fixing of software bugs
Performance analysis and integration of DVD and HTML interfaces using Windows APIs
Development and optimization of business analysis software, as well as customer consulting
Analysis and fixing of software bugs in technical projects and further development of physical simulation models
Conversion of a software solution from FORTRAN 77 to Delphi XE
Development of software for production control (missing parts lists, storage location lists, and assembly lists)
Development of an interface for bidirectional communication with DataLogic handheld scanners for barcode processing
Upgrade of Delphi units for controlling graphic displays using DirectX technology

Oct 2013 - Jan 2014

4 months

Essen, Germany

Software Developer

DMT GmbH & Co. KG

Analysis and fixing of software errors in a technical environment
Independent review and further development of mathematical and physical calculation models for simulators

Aug 2012 - Jan 2013

6 months

Essen, Germany

Software Developer

DMT GmbH & Co. KG

Analysis, design, and implementation of complex mathematical and technical tasks

Oct 2010 - Present

16 years

Aachen, Germany

Owner / IT Systems Analyst / Software Developer

Soft-dynamics.de

Freelance work as an IT systems analyst, software developer, and interim project manager
Focus on Embarcadero Delphi, backend software, automation, and data evaluation
Specialization in mathematical and physical calculations, software architecture, and error analysis

Oct 2010 - Jun 2011

9 months

Mönchengladbach, Germany

Software Developer

Merlin Software GmbH

Development of various standalone applications within an existing inventory management system
Successful solution of a previously unsolved complex task for the client

Jan 2010 - Dec 2018

9 years

IT Service Provider

Sole proprietorships and private individuals

Carrying out various projects for different sole proprietorships and private individuals

Apr 2007 - Feb 2010

2 years 11 months

Aachen, Germany

Owner / Systems Analyst & Trainer

Soft-dynamics.de

Full-time product development: design and development of the EEG biofeedback software eBioo
Preparation of the business plan and participation in a business plan competition
Requirements specification and design of a software solution for EEG biofeedback
Implementation of software interfaces for common hardware solutions
Conducting computer-based personal training with individuals
Market analysis of existing software solutions from competitors
Creation and optimization of a commercial website as well as marketing and sales

Apr 1995 - Dec 2006

11 years 9 months

Aachen, Germany

IT Systems Analyst / Team Lead / Local Coach

T-Systems GEI GmbH

Further development of a CRM and mobile billing system in an international large-scale project
Training and technical support for a developer team from India (5-10 people)
Technical responsibility for software modules for receivables management (dunning) and financial accounting
Definition and preparation of the developer guidelines for the project-specific developer manual
Identification and optimization of system performance through algorithmic adjustments and code generators
Concept development and design for online connection of heterogeneous database systems of mobile network operators
Design of the system architecture for error and exception handling routines of a revenue-sharing system
Carrying out software bug fixes for core functionalities and on-call services
Design and implementation of extensive software modifications for a billing system

Industry experience

See where this freelancer has spent most of their professional time.

Experienced in Information Technology, Telecommunication, Healthcare, Banking and Finance, Government and Administration, and Professional Services.

Information Technology

Telecommunication

Healthcare

Banking and Finance

Government and Administration

Professional Services

Business area experience

See which departments and functions this freelancer has contributed to most.

Experienced in Information Technology, Product Development, Project Management, Customer Service, Finance, and Business Intelligence.

Information Technology

Product Development

Project Management

Customer Service

Finance

Business Intelligence

Skills

Core Development Focus

Embarcadero Delphi / Backend Software, Automation & Data Evaluation

Main Industries

Special-Purpose Machinery Engineering
Engineering Inspection Services
Production Control & Data Evaluation
Classic Machine Learning
Automation / Robotics
Simulation Software
Research And Development
Stem: Mathematics, Computer Science, Natural Sciences, Engineering
Statistics, Data Science
Mathematics/Physics

Positioning Through Key Tasks

Mathematical/Physical Calculations
Software With Complex Command Structures / Communication Interfaces
Software Architecture / Software Concepts
Error Analysis
Team Communication, From Teamwork To Team Spirit

Languages

German

Native

English

Advanced

French

Intermediate

Spanish

Elementary

Italian

Elementary

...and 1 more

Education

Dipl.-Physicist · Physics · Aachen, Germany

Statistics

Experience

Total positions 27

Experience in Information Technology 31 y

Avg length 1 y 10 m

Longest experience 15 y 11 m

Global experience

Countries worked in 1 (Germany)

Primary country Germany

Expertise

Recent roles IT Systems Analyst / Software Developer, IT Systems Analyst, Patent application

Main industries Information Technology, Telecommunication, Healthcare

Main business areas Information Technology, Product Development, Project Management

Profile

Member since

September 2025

Last update

September 2026

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Frequently asked questions

Have questions? Find more information here.

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

Gottfried speaks the following languages: German (Native), English (Advanced), French (Intermediate), Spanish (Elementary), Italian (Elementary), Russian (Elementary).

Gottfried has at least 31 years of experience. During this time, Gottfried has worked in at least 9 different roles and for 11 different companies. The average length of individual experience is 1 year and 2 months. Note that Gottfried may not have shared all experience and actually has more experience.

Based on recent experience, Gottfried would be well-suited for roles such as: IT Systems Analyst / Software Developer, IT Systems Analyst, Patent application.

Gottfried's most recent position is IT Systems Analyst / Software Developer at Soft-dynamics.de.

In recent years, Gottfried has worked for Soft-dynamics.de, European Patent Office (EPO), German Patent and Trade Mark Office (DPMA), and Patent Application.

Gottfried is most experienced in industries like Information Technology, Telecommunication, and Healthcare. Gottfried also has some experience in Banking and Finance, Professional Services, and Government and Administration.

Gottfried is most experienced in business areas like Information Technology, Product Development, and Project Management. Gottfried also has some experience in Customer Service, Finance, and Business Intelligence.

Gottfried has recently worked in industries like Information Technology, Banking and Finance, and Government and Administration.

Gottfried has recently worked in business areas like Information Technology, Product Development, and Project Management.

Gottfried attended education in Physics.

The availability of Gottfried needs to be confirmed.

Daily rate distribution

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<€800 €800-1200 €1200+

The rates shown represent the typical market range for freelancers in this position based on recent contracts on our platform.

Average rates for similar positions

Rates are based on recent contracts and do not include FRATCH margin.

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Daily rate avg. 771 €

The average daily rate is the mean of all daily rates from recent contracts of comparable freelancers on our platform.

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Median rate 720 €

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 7 Sep 2026. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.