Recommended expert

Felix Schaller

Systems Engineer & Software Architect

Felix Schaller
Grafing bei München, Germany

Experience

Feb 2025 - Present
1 year 1 month
Remote

App Developer

XIXUM-Modeler

  • Developing a model-based AI where natural language is interpreted as formal relations.
  • Natural language terms are not considered rigid but fluid and can be negotiated in a context so meaning resolves by iteratively specifying.
  • Develops all kinds of model solutions.
  • Backed by natural language and data annotation.
  • Requirements to code and other solutions.
Sep 2019 - Present
6 years 6 months

Designer/Developer

Spes ML

  • Developing model theory.
  • Develop simulation concept.
  • Meta model editor of exported MagicDraw UML diagrams for report generation.
  • Interface between meta models and report generator.
May 2019 - Dec 2023
4 years 8 months

Designer/Developer

NLX – Natural Language Platform

  • Developed a DSL that can process natural language documents and transform them into a DOM model with Eclipse Modeling Framework (EMF) and XText.
  • Backed with a Neo4J database to train grammar trees.
  • Frontend application (GUI) developed with JavaFX.
  • Published paper: “Machine trainable software models towards a cognitive thinking AI with the natural language processing platform NLX” DOI: 10.18420/modellierung2022ws-010.
Jan 2017 - Present
9 years 2 months
Munich, Germany

Senior Software Engineer / Lead IT Researcher

Validas AG

  • Validas AG is a software consultancy in the center of Munich specialized on qualification of safety critical software and software tool chains.
  • Software Toolchain Qualification: Classify and qualify a software toolchain for an automotive OEM client according ISO 26262 safety standard; consult client in safety measurements and rigors about ISO; develop test strategies with the client; automated model driven generation of legal reports; frameworks: Java (Sirius, EMF, Acceleo), OSLC Standard; tools: Eclipse, CodeBeamer, MagicDraw, SmartFacts, Maven, Ant.
  • SafeWahr: Autonomous driving project; developing safety concept for ISO 21448 (SOTIF) and ISO 26262-8; focuses on perception system Camera/Lidar; frameworks: Java (Sirius, EMF, Acceleo), Python (numpy, matplotlib, scipy); tools: Eclipse, Maven, Ant.
  • HUBCAP – Innovation Hub for Cyber-physical systems (CPS): Developed a software qualification solution for ISO 26262-8 in a cloud environment; API development to communicate between multiple loaded Virtual Machines; frameworks: Java (EMF), Python (Pytest); tools: Eclipse, fortiss AutoFocus, Microsoft Z3.
  • SpesML: Developing model theory; develop simulation concept; meta model editor of exported MagicDraw UML diagrams for report generation; qualify software for ISO 26262-8; interface between meta models and report generator; frameworks: Java (EMF), Python; tools: Eclipse, Maven, Ant.
  • SpeedIt: Develop model based tools – process modeling tool; develop meta model with EMF; qualify SMT solver with back to back testing for ISO 26262-8; frameworks: Java (Sirius, EMF, Acceleo), Python (pytest); tools: Eclipse, Maven, Ant.
  • Airbus Defence and Space (Testbench for Mission Planning Software, Eurofighter): Test automation with document generator based on DSL framework XText; development of XText grammar; develop testing pipeline; migrating test environment to new build system Jenkins+Ant to Bamboo+Maven; frameworks: Java (XText, EMF); tools: Eclipse, Maven, Bamboo, Jenkins, Ant.
Jan 2013 - Dec 2016
4 years
Munich, Germany

Founder / Start-Up

AF-AX – Aeroflexible Aerodynamics

  • Fluid dynamics spin-off technology with the goal of developing VTOL air taxis.
  • Patented technology (EU WO 2012075990 A2, DE 10 2019 005 137 A1, DE 10 2014 004 990 A1).
  • Idea was to mimic a bird's wing with feathers allowing passive dynamic reshaping of the wing profile by the surrounding air, leading to a better profile according to surrounding air: reduces stall on an airplane wing; reduces drag; increases lift.
  • Can solve transitions of VTOL state from vertical to horizontal flight through stall reduction.
Jan 2004 - Dec 2016
13 years

Computergraphics Developer & Visual Effects Designer

Self employed

  • Developed computer graphic effects with computer graphics software like Autodesk Maya, Python, SideFx Houdini, Adobe Creative Cloud.
  • Various projects in commercials and cinema movies.

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 Aerospace and Defense (13 years), Advertising (13 years), Media and Entertainment (13 years), Automotive (9 years), and Information Technology (7 years).

Aerospace and Defense
Advertising
Media and Entertainment
Automotive
Information Technology

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 Product Development (22 years), Research and Development (13 years), Production (13 years), Information Technology (9 years), and Quality Assurance (9 years).

Product Development
Research and Development
Production
Information Technology
Quality Assurance

Summary

My professional background spans multiple technical domains — including mechanical and aerospace engineering, computer graphics and vision, and AI- and NLP-driven software systems — connected by a consistent systems-engineering and model-based approach.

Across all roles, my focus has been on translating complex, real-world phenomena into explicit, formal models that can be analyzed, simulated, validated, and automated. This includes model-based system design in safety-critical automotive and aerospace contexts, semantic and knowledge-based modeling for language-driven AI systems, and physically grounded modeling in aerodynamics and simulation-heavy deep-tech environments.

I specialize in building structured representations that bridge domain knowledge and software systems, using technologies such as Python, Java, model-driven engineering frameworks, graph-based data structures, and modern AI/NLP tooling. This model-centric perspective allows me to work effectively across domains that, while diverse in subject matter, share a common need for rigor, abstraction, and traceable system behavior.

As a result, I am comfortable operating at the intersection of engineering, data, and AI, particularly in roles that require architectural thinking, cross-domain integration, and the ability to reason about complex systems beyond a single discipline.

Skills

  • Eclipse
  • Pycharm
  • Jira
  • Autodesk Maya
  • Adobe Creative Cloud
  • Visual Studio
  • Neo4j Graphdb
  • Jenkins
  • Maven
  • Ant
  • Bamboo

Languages

German
Native
English
Advanced
Spanish
Advanced
French
Advanced

Education

Sep 1999 - Dec 2001

FHTE - Esslingen (University of Applied Science)

Pre Diploma · Mechatronics · Esslingen, Germany

Certifications & licenses

Certified Professional REquirements Engineer

IREB

Qualified Software Tester

ISTQB

Profile

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Frequently asked questions

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

Where is Felix based?

Felix is based in Grafing bei München, Germany and can operate in on-site, hybrid, and remote work models.

What languages does Felix speak?

Felix speaks the following languages: German (Native), English (Advanced), Spanish (Advanced), French (Advanced).

How many years of experience does Felix have?

Felix has at least 22 years of experience. During this time, Felix has worked in at least 5 different roles and for 6 different companies. The average length of individual experience is 4 years and 8 months. Note that Felix may not have shared all experience and actually has more experience.

What roles would Felix be best suited for?

Based on recent experience, Felix would be well-suited for roles such as: App Developer, Designer/Developer, Senior Software Engineer / Lead IT Researcher.

What is Felix's latest experience?

Felix's most recent position is App Developer at XIXUM-Modeler.

What companies has Felix worked for in recent years?

In recent years, Felix has worked for XIXUM-Modeler, Spes ML, NLX – Natural Language Platform, and Validas AG.

Which industries is Felix most experienced in?

Felix is most experienced in industries like Aerospace and Defense, Advertising, Media, and Entertainment and Publishing. Felix also has some experience in Automotive and Information Technology (IT).

Which business areas is Felix most experienced in?

Felix is most experienced in business areas like Product Development, Research and Development (R&D), and Production/Manufacturing. Felix also has some experience in Information Technology (IT) and Quality Assurance (QA).

Which industries has Felix worked in recently?

Felix has recently worked in industries like Aerospace and Defense, Automotive, and Information Technology (IT).

Which business areas has Felix worked in recently?

Felix has recently worked in business areas like Information Technology (IT), Product Development, and Research and Development (R&D).

What is Felix's education?

Felix holds a Bachelor in Mechatronics from FHTE - Esslingen (University of Applied Science).

Does Felix have any certificates?

Felix has 2 certificates. These include: Certified Professional REquirements Engineer and Qualified Software Tester.

What is the availability of Felix?

Felix is immediately available full-time for suitable projects.

What is the rate of Felix?

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

How to hire Felix?

To hire Felix, click the Meet button on the profile to request a meeting and discuss your project needs.

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Market avg: 1070-1230 €
The rates shown represent the typical market range for freelancers in this position based on recent contracts on our platform.
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