About Robert
Seit 2014 bin ich als professioneller Software Entwickler mit Fokus auf Ruby On Rails und Javascript Technologien unterwegs.
Zu meinen letzten Auftrags- und Arbeitgebern zählen unter anderem TUI (Berge und Meer), Xing SE, Thomas Cook, United Signals, FastBill u.v.m.
Desweiteren war ich CTO eines erfolgreichen Startups in Frankfurt am Main.
Ich lege viel Wert auf sauberen, erweiterbaren Code, klare Kommunikation und habe ein zielstrebiges Commitment.
Ich habe viel Erfahrung im Bereich Banking-Integration und in den Bereichen FinTech und eCommerce gesammelt. Allgemein ist mein Erfahrungsschatz sehr weit gefächert, da ich schon in den unterschiedlichsten Projekten und Branchen gearbeitet habe.
Egal ob Neuentwicklungen, Rehauls oder Maintenance / Erweiterung, ich bin in jeder Art von Projekt versiert und habe in Teams verschiedenster Größe gearbeitet.
Agile und SCRUM sind für mich keine Fremdwörter.
Falls Sie auf der Suche nach einem kompetenten, technisch versierten Projektpartner sind, dann hinterlassen Sie mir gerne eine Nachricht.
German
Native or bilingual
English
Native or bilingual
Croatian
Native or bilingual
Can work on-site
Frankfurt am Main (up to 50km), Frankfurt am Main (up to 100km), Hamburg (up to 100km), München (up to 100km), Berlin (up to 100km)
Experience
- KentauroOwner and OperatorJune 2019 - Today (7 years and 1 month)• Leveraged extensive knowledge in e-commerce to establish and manage Kentauro, a business focusing on the buying and selling of digital products and electronics• Automated various business processes to enhance efficiency, including ○ automated invoicing ○ tax program integration ○ and customer response systems.• Developed comprehensive plans and step-by-step instructions for employees to ensure operational consistency and quality.• Oversaw brand management by purchasing products with custom branding and utilizing my graphical skills to create product designs that included inlays, text creation, and packaging management.• Additionally, provided office services by offering customized computer solutions, including on-site installation and network integration for clients.
- Rubicon IT Deutschland GmbHSenior Developer & ConsultantSeptember 2024 - March 2025 (6 months)Frankfurt, Germany• Developed and upgraded ASP.Net and ASP.Net MVC applications, enhancing performance and maintainability.• Implemented new features, including PDF generation, email automation, and background service workers.• Designed and integrated role-based access control and SAML authentication for secure user management.• Optimized and extended existing software solutions, improving functionality and user experience.• Collaborated closely with a cross-functional development team to deliver high-quality solutions.
- / DUVSenior Developer & Team LeadJanuary 2024 - January 2025 (1 year)Frankfurt, Germany• Designed and implemented the architecture for an AI-powered Retrieval-Augmented Generation (RAG) system, enabling efficient document querying across the company's archives.• Developed a dynamic AI prompter that allowed users to extract insights from historical data, answering business-critical questions such as sales performance, revenue breakdowns, and client contract analysis.• Built the user interface with Vercel v0 and Next.js, adhering to design specifications while iteratively improving AI capabilities.• Built the backend with FastAPI, Pydantic, SQLAlchemy and Alembic among other tools• Leveraged Pydantic, ESLint, git hooks and Playwright to keep junior developers on track and minimize entropy in regards to code complexity• Integrated Python-based RAG models with Ollama, optimizing document retrieval and response accuracy for complex business queries.• Deployed and maintained the system using Supabase for data storage and authentication, using Docker for containerized environments.• Planned and coordinated the workday of my coworkers as a Team Lead
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Education
- Fachinformatiker für AnwendungsentwicklungWvS Frankfurt am Main2017