Freelancer profile translated to English.
Back to original languageAbout Torsten
As an experienced freelancer in web and app development, I offer high-quality services to help you successfully implement your digital projects.
I develop state-of-the-art web frontends, hybrid apps, and PWAs using a wide range of technologies, including Sencha ExtJS, modern Vanilla JavaScript, and the latest Neo.MJS framework. Currently, I utilize GitHub Copilot and Claude as AI assistants.
My expertise ranges from developing Single Page Applications (SPAs) to microservices, all perfectly tailored to your needs and integrated with your backend.
In my work, I place great emphasis on high quality and good performance. In the past, I have successfully collaborated with companies such as Mercedes Benz Bank, Google, and many medium-sized enterprises, including Congstar (a subsidiary of Deutsche Telekom), Horlemann, secova, and Festool.
My goal is to offer you an individual solution that is perfectly tailored to your needs. At the same time, I am also open to shorter assignments such as code reviews.
If you are looking for a reliable and experienced freelancer to help you lead your projects to success, please contact me. I am available and look forward to collaborating with you!
Due to my experience, I worked directly for the framework manufacturer Sencha for 2 years. As a Sencha MVP (highest rank in the Sencha universe), clients can rely on me to bring best practices into their projects.
My latest projects:
- freenet Intranet Update
- Automotive (PoC) Multi-Screen 3D Development System for Engineers - Neo.MJS (javascript framework)
- Google (alpha) - Sencha ExtJS
- Construction Industry - Sencha ExtJS
- Software for Occupational Safety - Sencha ExtJS - Porting 3.x to 6.5.x
- Hybrid app for WebRTC telephony (incl. Android plugins)
- Telekom - Sencha ExtJS - Cordova - End-user platform
German
Native or bilingual
English
Fluent
Can work on-site
Moers (up to 50km), Düsseldorf (up to 10km), Essen (up to 10km), Duisburg (up to 10km), Bochum (up to 10km)
Experience
- Mobile Game Design e.K.Senior Frontend DeveloperDIGITAL AND ITApril 2003 - Today (23 years and 2 months)GermanyAs an experienced senior frontend developer, I was able to successfully implement complex projects in the past using the Javascript frameworks Sencha ExtJS and Neo.MJS. My skills in hybrid application development using Cordova and the creation of Cordova Android plugins rounded out my technical skills. Further strengths are as a Scrum Master and in project management. I used my knowledge to successfully implement projects for renowned clients such as Mercedes Benz, Mercedes Benz Bank and Arvato.
- SenchaSr. ArchitectSOFTWARE PUBLISHINGJune 2017 - May 2022 (4 years and 11 months)Hilden, GermanyOn behalf of Sencha, I have visited and trained customers in Europe, conducted code reviews and updates from v3 to v7, set up new projects and converted best practices into coding guidelines.
- secovaSenior Software ArchitectCONSULTING AND AUDITSFebruary 2019 - December 2020 (1 year and 10 months)Rheine, Germanysam® is a fully integrated EHS Management solution that helps you keep your employees safe, streamline operations and simplifies regulatory compliance through audit proof records. I was responsible for most special components and bug fixes as overrides of the framework.
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Education
- Master, Special Education for the DeafUniversity of Manitoba1996Master, Sonderpädagogik für Gehörlose
- Master of PsychologyInstitute of Transpersonal Psychology1994Master, Psychologie (Psychoanalyse, Gestalt Therapie, Körper