Freelancer profile translated to English.

Description

With over 20 years of experience in software development with Java and Kotlin, I have gained extensive experience that I can bring to future projects to ensure their success. I specialize in backend development.

Industry field of expertise

Languages

German
Native or bilingual
English
Conversational

Workplace preferences

Can work on-site

Berlin (up to 50km), Schönwalde-Glien (up to 40km)

velpTEC
Further Education
April 2026 - Today (4 months)
Professional further education in current software development technologies to become an AI/Blockchain/Cloud Specialist (ABC Specialist).

- Python 3 programming
- Cloud Computing
- Cryptography Development
- AI Programming
- Tensorflow
- Blockchain & DLT Programming
- Practical Project Blockchain & DLT
Python Cloud computing Cryptography AI & Tensorflow Blockchain / DLT
Eon Grid Solution GmbH
Java Middleware Development
ENERGY AND UTILITIES
January 2026 - Today (7 months)
Berlin, Germany
Development of features for Spring Boot applications with MS Azure integration; Spring Security; FilterChains, DMAD
Java 25 Microsoft Azure Spring Boot Spring Security Postman
du-it
Further Education, Personal Projects and Trading (Self-Employed)
January 2025 - Today (1 year and 7 months)
Self-study of Python (Dataquest); setup and operational execution of crypto trading strategies; market analysis; import of trading CSVs into tax software (Blockpit) via VBA scripts/macros; introduction to AI: n8n.
• Self-study: Dataquest Learning Path (Python / Data Analysis); completed modules and platform certificates (see LinkedIn);
• Development and execution of trading-related workflows; self-study in technical chart analysis (YouTube, exchange courses); application of chart tools and indicators for signal detection;
• Development of VBA macros and scripts for transforming CSV exports from crypto exchanges into the import format of Blockpit.io.
• Self-study: AI, n8n
• Technical fundamentals of Blockchain and Distributed Ledger Technologies
• Creation of Smart Contracts on Etherscan
Python Solidity Ethereum Artificial Intelligence Smart Contract