GRÜN Software Group

Backend Engineer

• Develop and maintain scalable, secure, and high-performance backend systems that serve as the backbone of our applications.
• Work closely with frontend developers, architects, and business units to design well-considered interfaces and efficient data flows.
• Take responsibility for code quality, stability, and maintainability — and actively contribute to architecture decisions.
• Think holistically: from the database through business logic to the API interface.

Backend Developer

Administration

• In the dual Bachelor's program in Business Administration (B.A.), you will learn the essential economic foundations needed to analyze, manage and optimize business processes.
• You will cover topics such as: business fundamentals (accounting, controlling/management accounting, financial management), marketing and sales, human resources and corporate management, business law, and strategic management.

Dual Bachelor's Degree in Business Administration (B.A.)

• Design and develop custom backend solutions with PHP (OOP), for example based on Symfony, as well as tailored CMS extensions (TYPO3/WordPress) and headless setups (Strapi)
• Develop, connect and document REST and GraphQL APIs for dynamic web and platform applications
• Integrate external systems (e.g., ERP/CRM/payment/SSO), perform clean data and domain modeling, and design robust interface architectures
• Develop TYPO3 extensions, WordPress plugins and Symfony bundles to extend functionality
• Identify and resolve complex bugs, perform performance tuning and security hardening
• Take responsibility for build, test and deployment processes (CI/CD), including containerization and environments
• Collaborative live/pair-coding in the sense of Vibecoding with strategists/concept designers, UX/UI designers and frontend teams
• Optional: Operate and further develop projects within Linux and LAMP/LEMP infrastructures (Apache/Nginx, MySQL/MariaDB, PHP)

PHP Backend Developer, m/f/d

Engineer

• Planning and integrating solutions at client sites
• Gathering requirements through direct dialogue with clients
• Advising clients on their business processes
• Designing software solutions
• Providing functional guidance to the implementation team
• Conducting reviews of solutions within the team and with the client

Requirements Engineer

Full-stack Engineer

• Develop end-to-end solutions — from backend to frontend
• Work closely with colleagues from development, product management and support
• Contribute your own ideas and actively help shape technical concepts
• Take responsibility for the quality and maintainability of the code
• Be part of a team that creates solutions together

Fullstack Developer

Frontend Engineer

• Du gestaltest nutzerfreundliche, performante und moderne Frontends.
• Du arbeitest eng mit UX/UI-Designern, Backend-Entwicklern und Produktverantwortlichen zusammen.
• Du bringst Dich aktiv in die Weiterentwicklung unserer Frontend-Architekturen ein.
• Achte auf Sauberkeit im Code, Barrierefreiheit, Performance und Konsistenz.

Frontend-Entwickler

• Entwicklung ganzheitlicher Lösungen – vom Backend bis zum Frontend
• Enge Zusammenarbeit mit Kolleginnen und Kollegen aus Entwicklung, Produktmanagement und Support
• Verantwortung für Qualität und Wartbarkeit des Codes
• Gestaltung technischer Konzepte

Fullstack Entwickler

Product Designer

• Development of user-centered concepts and designs that combine functionality, aesthetics and simplicity.
• Analysis of user behavior, identification of needs and translation into intuitive, accessible interfaces.
• Close collaboration with product management, development and clients to create digital experiences.
• Supporting the entire design process – from concept through wireframes and prototypes to the final UI design.

UI/UX Expert, m/f/d

• Entwickeln und Warten skalierbarer, sicherer und performanter Backendsysteme
• Enge Zusammenarbeit mit Frontend-Entwicklern, Architekten und Fachbereichen
• Verantwortung für Code-Qualität, Stabilität und Wartbarkeit übernehmen
• Ganzheitliches Denken von der Datenbank über die Geschäftslogik bis zur API-Schnittstelle

Backend Entwickler

Consultant

• Advising retail and trade companies on the implementation and ongoing development of our ERP system
• Analyzing existing processes and making targeted adjustments in the ERP system
• Testing the software and identifying potential improvements
• Documenting all workflows and transferring knowledge through training sessions

ERP Consultant – m/f/d

• Designing and developing new and enhanced database-driven Java applications.
• Supporting, maintaining, and performing code and performance optimizations on existing Java applications.
• Maintaining and migrating existing .NET applications to Java.
• Participating in projects and working closely with colleagues from various departments.

Java Software Developer

• Participate in the design, new development and further development of modules for the database-backed Progress OpenEdge backend application.
• Support, maintenance, code and performance optimization of existing OpenEdge modules.
• Work on projects and collaborate closely with various business departments.

Backend Developer, OpenEdge

Business Development Rep

• Planning and managing the integration of newly acquired companies
• Analytical work with financial metrics and business models
• Collaborating with existing management teams to implement changes
• Identifying optimization and growth opportunities
• Leading and coordinating business development projects

Intrapreneur, Business Developer

• Dual study program in Business Administration (B.A.) with practical experience across multiple departments.
• Analysis, management, and optimization of business processes.
• Engagement with core business principles, marketing, human resources (HR) management, and strategic management.