Freelancer profile translated to English.

Description

Hi! :-) I am Sebastian from Berlin, a passionate Java Backend Developer in the web environment. My expertise includes: - MVC Backend Development - REST APIs - Spring/Boot, Play! Framework, Java EE - Connecting SQL databases (PostgreSQL, MySQL) - Docker & Kubernetes - Test Driven Development I value clean code, good & open communication, code reviews, and teamwork! I look forward to hearing from you.

Industry field of expertise

Languages

German
Native or bilingual

Workplace preferences

Remote only

Primarily works remotely

EV Monitor
Self-employed Software Engineer
AUTOMOBILE
March 2026 - Today (3 months)
Berlin, Germany
In March, I released the website ev-monitor.net. It is intended to be a meeting point for all electric car drivers and interested parties. Primarily, it serves as a charging logbook for recording and calculating consumption, range, and costs. Integration of wallboxes, manufacturer APIs, and fully automatic car synchronization are key features.
The website was developed as a Progressive Web Application (PWA) with a mobile-first approach:
Java 21 - Spring Boot 3.5 - Vue.js/Vite/Pine - PostgreSQL/Flyway - NGINX - Docker - OpenSource
Spring Boot Java PWA Claude Code Fullstack
Europace AG
Senior Software Engineer & People Lead
BANKING AND INSURANCE
August 2024 - Today (1 year and 10 months)
Berlin, Germany
Senior Software Engineer in a multi-service landscape with microservices and monolithic applications in the banking and real estate financing environment.
Spring boot Java Gradle MongoDB REST
INIT AG
Senior Software Engineer
PUBLIC SECTOR
March 2024 - July 2024 (4 months)
Berlin, Germany
Supervision of a project that checks granted aid during the Corona period for abuse.
Java Spring boot PostgreSQL REST Maven

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2.0, Communication Systems
Berliner Hochschule für Technik (BHT)
2008
2.0, Communication Systems
2.3, Datentechnik
Siemens Technik Akademie Berlin
2006
2.3, Datentechnik

Sebastian W.

Senior Backend Developer >>> ev-monitor.net

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