Freelancer profile translated to English.
Back to original languageAbout Holger
I help companies and startups quickly and reliably enhance or fix their Java backends (also Spring Boot).
My expertise includes:
- Java development
- REST API development
- Bugfixing and small feature implementation
- Hibernate & SQL optimization
I deliver precise, tested solutions for well-defined tasks – whether it's a single endpoint, a database issue, or a minor backend feature.
With about 20 years of experience in Java backend development and clear communication, I ensure your tasks are handled efficiently and without unnecessary overhead.
German
Native or bilingual
English
Conversational
Remote only
Primarily works remotely
Experience
- SDV ITSoftware DeveloperBANKING AND INSURANCEFebruary 2001 - February 2005 (4 years)Nürnberg, GermanyMaintenance and development of new features for a construction financing software in the cooperative sector. Programming language: ANSI C.Part of the task was the creation of a new, relational data model based on the existing data. This was followed by the implementation and introduction of the data model.
- SDV ITSoftware Development / Technical Project ManagerBANKING AND INSURANCEFebruary 2005 - August 2011 (6 years and 6 months)Nürnberg, GermanyTechnical project manager for the creation of a construction financing solution based on JSP in the company's online portal.Java developer in the area of business process automation.This area of work consisted of two parts: Firstly, a prototype for construction financing software for the end customer was implemented on a JSP basis. The conceptual implementation of the business requirements was crucial.The second part was the introduction of a workflow engine for automating business processes.
- Rödl & Partner (DE)Software Developer / Team LeadDIGITAL AND ITAugust 2001 - December 2019 (18 years and 4 months)Nürnberg, GermanyDevelopment of software for the process-controlled, automated processing of complaint cases. Programming in the backend with Java, frontend GWT / GXT. Head of the development team.
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Education
- IT SpecialistSDV IT2000Ausbildung zum staatlich geprüften Fachinformatiker (Fachrichtung Anwendungsentwicklung)
- Business Administrator (Diplom-Betriebswirt)FernUniversität in Hagen2008