Stefanie Schmidt-Software Developer for web applications

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Experience
Software Developer for web applications
Rene Schmidt DevOps UG (haftungsbeschränkt) & Co. KG
- Web application management
- Development of applications and components using PHP with Symfony and Doctrine/PostgreSQL
- CSS optimization and customization with Twitter Bootstrap, HTML, JavaScript and jQuery to company specifications
- Developed a message queue system using RabbitMQ and NodeJS
- WordPress plugin development and WordPress theme customization
- App development for Android with Flutter and Dart
- Implemented event-based action logging system with Symfony v5.2
Developer
Planets Alpha
- Implemented a space simulation in C++ with OpenGL and GLSL shaders for lighting, texturing and skybox
- Developed skybox and menu systems
- Maintained version control
- Supported team members in their respective tasks
Freelance Online Editor
Sales Assistant
Freelance Web Designer and Associate
Rene Schmidt GbR
- Image processing with Adobe Photoshop
- Simple programming tasks in PHP and JavaScript
- Preparation of reports and accounts
Office Employee
Elfen 2000 GmbH
- Editing customer orders with the ERP systems Baan and Tacoss
- Data entry
- Processing correspondence with MS Office (Word, Excel, PowerPoint)
- Call centre agent for telemarketing (outbound)
- Team collaboration
Sales Assistant
Developer
Automatisierte Schachtscheine und Stellungnahmen (ASS) Prototype
- Adapted an existing Oracle database for use with Symfony/Doctrine
- Implemented Symfony 5 with EasyAdmin to allow web-based database editing and viewing
- Developed a tool to write runtime configuration key-value pairs from an Oracle table into a Symfony configuration file
- Created a Symfony command to allow users to query the status of individual records
Research and Development Lead
FossMomas
- Developed a platform-independent moving-map system in JavaScript using Cesium to abstract WebGL for realistic 3D globe rendering and aircraft movement
- Implemented the server for data exchange between X-Plane 10 simulator and FossMomas in PHP
- Introduced and used project management software (plan.io) for task planning, tracking, documentation and version control
- Solely responsible for planning tasks, maintaining version control, documenting work and bug fixes
Game Developer and Team Lead
Leviathan
- Developed the GUI and HUD in C# using Unity3D Pro
- Co-led a team of three programmers, two artists and one audio engineer
- Managed task distribution and team coordination
Industry experience
See where this freelancer has spent most of their professional time.
Experienced in Information Technology, Retail, Manufacturing, and Media and Entertainment.
Business area experience
See which departments and functions this freelancer has contributed to most.
Experienced in Information Technology, Product Development, Sales, Customer Service, Marketing, and Accounting.
Skills
- App Development With Flutter And Dart For Android Devices
- Source Code Documentation And Maintaining The Company’S Own Wiki (Explaining Installation Of Software And Upgrading Processes As Well As Troubleshooting Issues)
- Javascript, Jquery
- Cross-Browser Html5 And Css3 Production
- Experience With Unit Testing With Jasmine And Phpunit And Symfony
- Git, Github, Gitlab And Gitflow
- Jetbrains Ides (Intellijidea, Phpstorm, Etc.) And Vscode
- Writing Articles And Multi-Page Stories With Latex
- Experience With Shell Scripting
- Re-Exploring C++
Languages
Education
SAE Hamburg
Bsc. (1st honours) · Games Programming · Hamburg, Germany
Brekelbaumspark
advanced technical certificate · social pedagogy · Hamburg, Germany
LEB
dressmaking · Hamburg, Germany
Certifications & licenses
Java for Beginners
openHPI
Internet Security
openHPI
Test-driven Development with JUnit
openHPI
Web Technologies
openHPI
Statistics
Experience
Global experience
Expertise
Qualifications
Profile
Frequently asked questions
Have questions? Find more information here.
Stefanie is based in Quickborn, Germany.
Stefanie speaks the following languages: German (Native), English (Advanced).
Stefanie has at least 25 years of experience. During this time, Stefanie has worked in at least 6 different roles and for 4 different companies. The average length of individual experience is 4 years and 6 months. Note that Stefanie may not have shared all experience and actually has more experience.
Based on recent experience, Stefanie would be well-suited for roles such as: Software Developer for web applications, Developer, Freelance Online Editor.
Stefanie's most recent position is Software Developer for web applications at Rene Schmidt DevOps UG (haftungsbeschränkt) & Co. KG.
In recent years, Stefanie has worked for Rene Schmidt DevOps UG (haftungsbeschränkt) & Co. KG.
Stefanie is most experienced in industries like Information Technology, Retail, and Manufacturing. Stefanie also has some experience in Media and Entertainment.
Stefanie is most experienced in business areas like Information Technology, Product Development, and Sales. Stefanie also has some experience in Customer Service, Marketing, and Accounting.
Stefanie has recently worked in industries like Information Technology.
Stefanie has recently worked in business areas like Information Technology and Product Development.
Stefanie holds a Doctorate in dressmaking from LEB and a Bachelor in Games Programming from SAE Hamburg.
Stefanie has 4 certificates. Among them, these include: Java for Beginners, Internet Security, and Test-driven Development with JUnit.
The availability of Stefanie needs to be confirmed.
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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.
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