Multi-Invest Gesellschaft für Vermögensbildung mbH | Germany | 65xxx Eschborn | Permanent position | Full time | Published since: 13.01.2026 on stepstone.de
Fullstack Developer (m/f/d)
The Multi-Invest Gesellschaft für Vermögensbildung mbH is an independent financial service company established in 2003, based in Eschborn, which offers investment savings plans, asset management and gold and precious metal savings plans in Germany in cooperation with Sutor Bank GmbH. Our small, dedicated IT team continuously develops and modernises our customer and intermediary portal as well as internal tools. We use state-of-the-art technologies including AI-based tools. We are looking to strengthen our team Projektmanager (m/w/d) for permanent employment in full-time (4-day week, Mo-Do, 36-hour week). .
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Your tasks • Your profile • What we offer
Development and modernization of our web applications Frontend: JavaScript, HTML5, CSS3 Backend: PHP, C# / .NET, MySQL/MariaDB
Conception and implementation of user-friendly, modern surfaces (UI design, usability) Development mainly under Windows with Visual Studio as well as PHP-close tools Management and maintenance of our CMS systems (e.g. Joomla, WordPress) Ensuring availability, performance and security of web applications Management, optimization and monitoring of relational databases (MySQL/MariaDB), incl. work with larger and complex databases Development and performance optimization of existing PHP and .NET applications Work with services and interfaces running on Linux servers (web server, background services, partially containerized)
Training or studies in IT (e.g. computer science) or comparable qualification Multiannual experience in full-stack web development with PHP and JavaScript Very good knowledge and multiannual experience in object-oriented development with C# / .NET Very good knowledge of relational databases, especially MySQL/MariaDB, incl. Performance optimization and experience with larger, complex databases Very good knowledge of HTML5 and CSS3 experience in developing Windows (Visual Studio, common Dev tools); Knowledge of how to use Linux servers (among others Webserver & Services) is advantageous Interest in user-centric UI design and new technologies, especially AI tools Structured, independent and solution-oriented operation Teamability, communication strength and high commitment Very good German knowledge in word and writing, English knowledge of advantage
4-day week (Mo–Do, 36 hours) Compensation for performance Flat hierarchies, short decision paths and direct exchange with disciplines Exciting and varied activities Pleasant team and working atmosphere in a small IT team Modern workplace with innovative IT infrastructure Company parking and shuttle service to the S-Bahn station Regular company celebrations and joint ventures
Location
 | Multi-Invest Gesellschaft für Vermögensbildung mbH | |
| 65760 Eschborn | ||
| Germany |
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