Freelancer profile translated to English.
Back to original languageAbout Rudolf
I solve your problems in the development and modernization of business-critical applications. I advise on software architecture, software design, and programming.
Together we will find the right solution for your challenge. On-premise or in the cloud. With modular monoliths or microservices. No buzzword-driven development, but a stable, scalable, and maintainable application that meets your requirements.
German
Native or bilingual
English
Fluent
Remote only
Primarily works remotely
Experience
- Rudolf HeldSoftware Architect & Software Engineer Jakarta EEMarch 2025 - Today (1 year and 3 months)Hamburg, GermanyTime off and further education in Java SE/Jakarta SE and Jakarta EE. Further education in Linux, BSD, and Illumos.
- e2n (SaaS Provider für HR-Lösungen in der Gastronomie),Software EngineerFebruary 2024 - February 2025 (1 year)97 Würzburg, GermanyDesign and development of backend components for a cloud-based SaaS system for personnel planning and time tracking with Java 21, JSF, and AWS (Lambda, S3, SQS, ECR). Architecture, design, and implementation of a library for simplified creation of customer interfaces for configurable master data imports.
- VW, Nokia, Igenico und andereSoftware Architect/Software EngineerJuly 2010 - January 2024 (13 years and 6 months)Hamburg, GermanyArchitecture, design, and development with Java EE / Jakarta EE and Linux for companies in the automotive, energy, geo-information systems, and payment sectors.Detailed project descriptions on my website
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Education
- Diplom-Informatiker (FH)Hamburg University of Applied Sciences2008Diplom-Informatiker (FH)