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AlexH73/README.md

Alexander Hermann

Fullstack Developer • Java (Spring Boot) • React (TypeScript)

ewebotah@gmail.com • LinkedIn • Portfolio • Telegram: @AlexH573

EN • RU • DE

About

I build full‑stack applications with a strong focus on backend architecture, security, and clean, maintainable code.

  • Backend: Java, Spring Boot, Spring Data JPA, Spring Security, Hibernate
  • Frontend: JavaScript/TypeScript, React, Redux, HTML, CSS
  • DevOps: Docker
  • Data: SQL / NoSQL
  • Tools: Git, GitHub

Tech (badges)

Java Spring Boot Spring Security Spring Data JPA Hibernate PostgreSQL Liquibase Docker React TypeScript Redux

Featured projects

HomeRent — Property Rental Management System (Backend)

A backend service for managing residential rentals (long‑term and short‑term) with role‑based access for tenants, property owners, operators, and administrators.

Highlights:

  • Role-based security (Spring Security) and clear separation of responsibilities
  • Database migrations with Liquibase
  • Multiple runtime profiles: dev/test (H2), prod (PostgreSQL), tc (Testcontainers)
  • Docker-based quick start (PostgreSQL + pgAdmin)
  • API documentation via Swagger UI / OpenAPI

Repo: https://github.com/AlexH73/home-rent

Chat-Bot — Multilingual Restaurant Ordering Assistant

A text-based chatbot that streamlines restaurant ordering with a structured, easy-to-extend architecture.

Highlights:

  • Multilingual support: RU / EN / DE
  • Menu customization + order editing before confirmation
  • Data-driven design (menu + translations stored in JSON)
  • Tests included (run with python -m unittest discover tests)

Repo: https://github.com/AlexH73/Chat-Bot

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