Recommended expert
Simon Brunner
Software Developer
Experience
Oct 2023 - Jul 2025
1 year 10 monthsFreiburg im Breisgau, Germany
Software Developer
FreiburgRESIST
- Requirements analysis and design with users, collecting user stories
- Architectural design for integrating a simulation module into the overall system
- UI/UX design of the user interface
- Funded by the BMBF
Jun 2023 - Dec 2024
1 year 7 monthsGermany
Software Developer
ESCAPE PRO
- Requirements analysis and validation of results with users
- Further development of the micro- and macroscopic models in the simulation core (Java)
- Performance optimization of the simulation (Java)
- Improvement of the UI/UX of the desktop application (Java, Swing)
- Funded by the BMBF
Sep 2021 - Jul 2025
3 years 11 monthsMunich, Germany
Java Software Developer
accu:rate GmbH
- Development and optimization of simulation software in Java
- Designing, implementing, and improving mathematical algorithms
- Planning, architecture, and coordination of software development
- Building and maintaining CI/CD pipelines (Git, Gradle, TeamCity)
- Conducting code reviews and quality assurance using JUnit and TDD
- Release and version management, as well as technical documentation
- Analyzing and integrating new technology trends into ongoing projects
- Maintenance and modernization of existing software systems
- Collaborating on research projects (e.g., connecting BIM/IFC to the simulator)
Mar 2020 - Aug 2023
3 years 6 monthsGermany
Software Developer
BEYOND
- Development of an IFC converter to the internal project format of the simulation software (C#)
- Extension of the simulation core to process three-dimensional building data
- Implementation of a 3D visualization to display simulation results (Java, libGDX, GLSL)
- Funded by the BMDV based on a resolution by the German Bundestag
Aug 2019 - Apr 2021
1 year 9 monthsMunich, Germany
Java Software Developer
accu:rate GmbH
- Working student in software development
- Further development of software for pedestrian flow simulation (Java)
- Creating unit and integration tests (JUnit)
- Requirements analysis and design of new features and software components
- Conducting code reviews and quality assurance using JUnit and TDD
- Refactoring and maintenance of the legacy codebase
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 Information Technology (6 years) and Construction (5.5 years).
Information Technology
Construction
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 (6 years), Information Technology (6 years), Quality Assurance (5.5 years), and Research and Development (2 years).
Product Development
Information Technology
Quality Assurance
Research and Development
Summary
I help companies develop high-performance, maintainable Java backends with Spring Boot. My focus is on clean architecture, test automation, and sustainable code.
With my experience in simulation technology, I bring strong analytical thinking and a deep technical understanding of complex systems.
Skills
Backend Development
- Java
- Spring Boot
- Rest Apis
- Jpa/hibernate
- Sql
Build & Ci/cd
- Maven
- Gradle
- Teamcity
- Git
- Github
Testing & Qa
- Junit
- Arch Unit
- Tdd
- Code Reviews
- Clean Code
- Design Patterns
Agile Software Development
- Extreme Programming (Xp)
- Scrum
- Kanban
- Pair Programming
Other
- Requirements Analysis
- Java Swing
- Javafx
- Libgdx
- Glsl
- C#
- Groovy
- Refactoring
- Technical Documentation
Languages
German
NativeEnglish
AdvancedEducation
Apr 2019 - May 2022
Technical University of Munich
Master of Science · Computer Science: Games Engineering · Munich, Germany
Oct 2015 - Mar 2019
Technical University of Munich
Bachelor of Science · Computer Science: Games Engineering · Munich, Germany
Certifications & licenses
ISTQB® Certified Tester Foundation Level (CTFL) 4.0
GASQ
Spring Boot Framework
GFU
The Birth of a New BIM Standard: From PED 2018 to 2023, New Parameters and Workflows "Going Live" for Everyone
Collective Dynamics
Profile
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Frequently asked questions
Do you have questions? Here you can find further information.
Where is Simon based?
Simon is based in Pfaffenhofen an der Ilm, Germany and can operate in on-site, hybrid, and remote work models.
What languages does Simon speak?
Simon speaks the following languages: German (Native), English (Advanced).
How many years of experience does Simon have?
Simon has at least 6 years of experience. During this time, Simon has worked in at least 2 different roles and for 4 different companies. The average length of individual experience is 1 year and 2 months. Note that Simon may not have shared all experience and actually has more experience.
What roles would Simon be best suited for?
Based on recent experience, Simon would be well-suited for roles such as: Software Developer, Java Software Developer.
What is Simon's latest experience?
Simon's most recent position is Software Developer at FreiburgRESIST.
What companies has Simon worked for in recent years?
In recent years, Simon has worked for FreiburgRESIST, ESCAPE PRO, accu:rate GmbH, and BEYOND.
Which industries is Simon most experienced in?
Simon is most experienced in industries like Information Technology (IT) and Construction.
Which business areas is Simon most experienced in?
Simon is most experienced in business areas like Product Development, Information Technology (IT), and Quality Assurance (QA). Simon also has some experience in Research and Development (R&D).
Which industries has Simon worked in recently?
Simon has recently worked in industries like Information Technology (IT) and Construction.
Which business areas has Simon worked in recently?
Simon has recently worked in business areas like Product Development, Information Technology (IT), and Quality Assurance (QA).
What is Simon's education?
Simon holds a Master in Computer Science: Games Engineering from Technical University of Munich and a Bachelor in Computer Science: Games Engineering from Technical University of Munich.
Does Simon have any certificates?
Simon has 3 certificates. These include: ISTQB® Certified Tester Foundation Level (CTFL) 4.0, Spring Boot Framework, The Birth of a New BIM Standard: From PED 2018 to 2023, and New Parameters and Workflows "Going Live" for Everyone.
What is the availability of Simon?
Simon is immediately available full-time for suitable projects.
What is the rate of Simon?
Simon'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 Simon?
To hire Simon, click the Meet button on the profile to request a meeting and discuss your project needs.
Average rates for similar positions
Rates are based on recent contracts and do not include FRATCH margin.
1000
750
500
250
Market avg: 820-980 €
Market avg: 820-980 €
The rates shown represent the typical market range for freelancers in this position based on recent contracts on our platform.
Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.
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