Torsten (Dipl.-Inf. (fh)) Lüders-Technical design and development of frontend and backend for e-waste-race.de / textil-race.de
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Experience
Technical design and development of frontend and backend for e-waste-race.de / textil-race.de
Das macht Schule gemeinnützige GmbH
- Creation of a platform where schools can run competitions to collect e-waste or old textiles
- Development of a shared PHP backend for administration by the client
- Connection of two separate WordPress sites via REST API
- Development of a custom WordPress theme with an extensive login area for students
- Setup of normally editable content pages using Elementor
Technical consulting and development of core features for a stock comparison website
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- Consulting on the implementation of a web platform to display stock information with charts and personal scoring
- Implementation of data synchronization
- Connection of AI services
- Integration of the payment solution (Stripe) and Bavest API
Technical design and sole development of the software for a visual novel for Steam
—
- Development of a visual novel for release on Steam
- Creation of a web-based game editor
Technical design and sole development of frontend and backend for Businessplan.de
Erfolgspfad GmbH
- Creation of a platform that uses AI based on user input to generate a business plan for submission to banks and investors
- Complete development of the backend, the Angular frontend and the generation logic
Technical design and sole development of the frontend for the custom webshop dremec.de
Dremec Befestigungselemente GmbH
- Development of the shop frontend with Angular, TypeScript and Angular Material
- Connection to a REST backend created by a partner
- Integration of inventory data from Sage
- Implementation of numerous industry-specific features
Development of a theme and plugins for the free online academy HOOU.de
Multimedia Kontor Hamburg gGmbH
- Pixel-perfect implementation of a design as a WordPress theme
- Development of numerous plugins and customizations in PHP and jQuery
- Implementation of features based on a Figma design template
Technical concept and development of the care box configurator for the Curaschirm website
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- Development of a complex product configurator as a WordPress plugin
- Implementation of the ordering process and PDF generation in PHP and jQuery
- Integration into the Curaschirm website
Co-development of the backend for certificate and aid management
GWQ ServicePlus AG
- Development of backend features in C#.Net Core and Entity Framework
- Creation of Swagger/OpenAPI definitions with NSwag
- Integration of Keycloak for authentication
- Separation of the backend code for deployment across multiple hosted servers
- Co-development of frontend features in Vue.js
Co-development of software for advertising space management
Ströer Außenwerbung GmbH
- Development of frontend modules in Angular and backend features in C#.Net
- Implementation of Azure and MS SQL based components
- Development of an email upload feature and automatic Office document conversion to PDF
Technical concept and sole development of the Tradist NFT SaaS platform
—
- Development of a platform for creating and selling NFT collections on different blockchains
- Implementation in PHP, MySQL, and JavaScript without programming knowledge required for end users
- Smart contract development in Solidity
Creation, maintenance and development of new features for the Leibrentenbörse auction platform
—
- Adaptation of a WordPress theme for bidding processes on real estate
- Implementation of a crowd-invest feature for investing in real estate shares
Implementation of new features in Flow shop software
RoyalArt
- Further development and optimization of the shop system in PHP, MySQL, and JavaScript
- Implementation of new modules in close cooperation with the founder
Technical design and complete development of Gamers Academy Skillgame
—
- Creation of an interactive training tool for FIFA 2020 as a WordPress plugin
- Implementation of visual elements with HTML Canvas and JQuery
- Development of a profile dashboard to display training statistics
Technical design and complete development of the Tradist inventory management system
—
- Development of an innovative inventory management system based on a custom admin interface framework
- Implementation of core features in PHP and JavaScript
Complete design and development of the management tool
Erfolgspfad GmbH
- Creation and support of a custom management tool based on our own framework
- Implementation of features such as digital signatures, statistics dashboards, newsletter sending, and document management
- Long-term further development and support in daily use by employees and 300 consulting firms
Technical design and full development of several applications for Textl
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- Co-development of the PHP-based core system for shared text editing and document management
- Development of desktop applications in C# for file synchronization and cloud drive functionality
- Creation of Word and Outlook plugins for file search and chat
- Development of a synchronization tool for company directories
Technical design and full development of the Sworli.com application
—
- Development of a news aggregator tool in C# ASP.NET and Entity Framework
- Implementation of Azure hosting and MSSQL backend
- Frontend implementation with jQuery and Bootstrap
Co-founder, shareholder, managing director, CTO, software developer
Quantumfrog GmbH
- Game design and development of a collectible card game in a team of three with an Exist scholarship until 2011
- Shift to software services in the areas of games, web and apps from 2011
- Growth of the company to 15 employees
- Management, project leadership, and co-development of more than 50 projects
Developer C++/Java (part-time)
Urban GmbH & Co KG
- Development of PC control software with Borland C++ Builder
- Thesis: Prototype for a networked machine control system with a central database in Java
Embedded developer C++
Urban GmbH & Co KG
- Development of software for calf feeding machines in GNU C++
- Creation of PC control software with Borland C++ Builder
Industry experience
See where this freelancer has spent most of their professional time.
Experienced in Information Technology, Manufacturing, Agriculture, Real Estate, Advertising, and Retail.
Business area experience
See which departments and functions this freelancer has contributed to most.
Experienced in Information Technology, Product Development, Project Management, Sales, and Supply Chain Management.
Summary
I am a software developer with many years of experience. My focus is on the design and development of software projects for mid-sized companies and startups. Over the last 10 years, I have implemented many projects here for the digitalization of company processes and the technical part of new business ideas.
Skills
Full Stack Development Of (Web) Applications With C#, Php And Angular
Wordpress/Woocommerce Plugin And Theme Development
Game Development/Vr/Serious Games/Advergames With Unity/C#
15 Years As A Professional Software Developer In Various Areas Around C#, Php And Javascript
5 Years Of Experience In Project Management, Agency Business, Startups And Company Management
Self-Employed Full-Time Since 2009
Angular
C#.Net Core
C#.Net
Wordpress
Unity3d
Woocommerce
Less
C#
Java
Javascript
Jquery
C++
Rest
Php
Html
Databases (Mysql, Ms-Sql, Postgresql)
Unity
Wordpress (Also Plugin Development)
Games
Backend Development
Android
Ios
Azure
Soap
Visual Studio
Git
Eclipse
Game Design
Product Advertising Api
Bootstrap
Responsive
Xml
Wcf
Wsdl
Borland C++ Builder
Cvs
Asp.Net Mvc
Entity Framework
Blockchain
Solidity
Languages
Education
University of Applied Sciences Bremerhaven
Graduate Computer Scientist (FH) · Computer Science · Bremerhaven, Germany · 1.7
Technical Assistant for Computer Science
Statistics
Experience
Expertise
Profile
Frequently asked questions
Have questions? Find more information here.
Torsten is based in Hamburg, Germany.
Torsten speaks the following languages: German (Native), English (Advanced).
Torsten has at least 26 years of experience. During this time, Torsten has worked in at least 20 different roles and for 10 different companies. The average length of individual experience is 1 year and 3 months. Note that Torsten may not have shared all experience and actually has more experience.
Based on recent experience, Torsten would be well-suited for roles such as: Technical design and development of frontend and backend for e-waste-race.de / textil-race.de, Technical consulting and development of core features for a stock comparison website, Technical design and sole development of the software for a visual novel for Steam.
Torsten's most recent position is Technical design and development of frontend and backend for e-waste-race.de / textil-race.de at Das macht Schule gemeinnützige GmbH.
In recent years, Torsten has worked for Das macht Schule gemeinnützige GmbH, —, Erfolgspfad GmbH, Dremec Befestigungselemente GmbH, and Multimedia Kontor Hamburg gGmbH.
Torsten is most experienced in industries like Information Technology, Manufacturing, and Agriculture. Torsten also has some experience in Real Estate, Advertising, and Retail.
Torsten is most experienced in business areas like Information Technology, Product Development, and Project Management. Torsten also has some experience in Sales and Supply Chain Management.
Torsten has recently worked in industries like Information Technology, Real Estate, and Advertising.
Torsten has recently worked in business areas like Information Technology, Product Development, and Sales.
Torsten attended University of Applied Sciences Bremerhaven for Computer Science.
The availability of Torsten needs to be confirmed.
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Average rates for similar positions
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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.
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