Freelancer profile translated to English.

Description

With over 20 years of experience in software development with Java and Kotlin, I have gained a lot of experience that I can bring to future projects to lead them to success. I have specialized 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)

Eon Grid Solution GmbH
Java Middleware Development
ENERGY AND UTILITIES
January 2026 - Today (5 months)
Berlin, Germany
Development of features for Spring Boot applications with MS Azure connection; Spring Security; FilterChains
Java 25 Microsoft Azure Spring Boot Spring Security Postman
du-it
Further Training, Personal Projects and Trading (Self-Employed)
January 2025 - Today (1 year and 5 months)
Self-taught Python (Dataquest); Development 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-taught training: Dataquest Learning Path (Python / Data Analysis); completed modules and platform certificates (see LinkedIn);
• Development and execution of trading-related workflows; Self-taught training in technical chart analysis (YouTube, Exchange Rates); 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-taught training: AI, n8n
• Technical fundamentals of blockchain and distributed ledger technologies
• Creation of smart contracts on Etherscan
Python Solidity Ethereum Artificial Intelligence Smart Contract
Future Training & Consulting GmbH
Certificate - Spring Boot 3 and Spring Framework 6
November 2024 - December 2024 (1 month)
Course with exam for Spring Certified Professional (2V0-72.22).
Acquisition of all knowledge necessary to pass the exam.
Spring Boot 3