Python Backend Developer
FastAPI • Flask • Docker • APIs • Security-Oriented Thinking
I build Python backend projects focused on API design, database integration, automation workflows, and deployment infrastructure.
Renvoxit is focused on backend engineering with a cybersecurity mindset: understanding how systems move data, where they fail, how services are exposed, and how runtime boundaries should be controlled.
Python, FastAPI, Flask, REST APIs, authentication flows, request/response architecture.
Python bot logic, command flows, API integrations, automation workflows, and database-backed bot features.
PostgreSQL, SQLite, SQLAlchemy, Alembic, schema design, persistence, and migrations.
Docker, Docker Compose, local orchestration, repository analysis, and service routing.
CSRF protection, password handling, session hardening, rate limits, and boundary awareness.
My work is centered on Python backend systems, Flask/FastAPI applications, Docker-based execution, GitHub integration, deployment workflows, and security mechanisms such as authentication, CSRF protection, password safety, and service boundary awareness.
Status: Active backend platform
Backend-first mini deployment platform that deploys GitHub repositories locally with Docker. It follows a real deployment pipeline: repository clone, project analysis, Dockerfile generation, Docker image build, container startup, and local service exposure through either a Traefik route or a direct local Docker port.
The project works as a backend platform for local Docker deployment with real orchestration, deployment persistence, status tracking, stage-based logs, GitHub OAuth integration, repository access, and deployment API endpoints.
Status: Portfolio project
Modular Flask application for an online restaurant system. It includes user registration and login, menu browsing, cart operations, order history, and an admin panel for dish and order management.
The project uses SQLAlchemy ORM with PostgreSQL support and SQLite support for local development. It also includes Docker/Docker Compose configuration, CSRF protection, session hardening, and rate limiting.
Status: School competition project
German-language full-stack civic feedback platform for reporting city problems and sharing improvement ideas. Users can create posts with an address, description, and optional image, then vote on proposals and discuss them through comments.
The project includes a Flask backend, SQLite persistence, frontend API integration, file uploads, post/comment deletion through a local client-token mechanism, and separate categories for Vorschläge and Anmerkungen.
Built as a school competition project with backend routes, persistence, frontend interaction, voting, comments, file uploads, and product-oriented thinking.
Status: Telegram bot project
Telegram bot for managing a personal movie collection. It can show film details, search by title, filter by genre, add new films, edit descriptions, update ratings, and delete records.
The bot uses aiogram 3 command flows, FSM-based create/edit/rate/delete actions, JSON storage for a lightweight demo setup, inline keyboards for browsing films, and unit tests for storage helpers and FSM handlers.
Status: Security project
Cybersecurity Flask web app that checks password strength locally and verifies whether a password appears in known breach data using the Have I Been Pwned API.
The password is hashed locally before the breach check, keeping the project focused on safer handling rather than sending raw passwords across the network.
Status: Database integration project
Flask and PostgreSQL project for backend logic and database integration. Users can view products and submit an order with contact details, which are stored in the database.
The application has a clear three-page structure: home page, product catalog, and order form.
Additional repositories are used for focused backend practice, feature experiments, and site/infrastructure work. They are kept separate from the main portfolio projects to keep the project list focused and readable.
Current development focus: EasyDeployerHub backend stabilization, deployment lifecycle management, Docker cleanup, runtime health checks, and better system reliability.
First hosting milestone: 09.11.2025
Direction: building increasingly realistic backend systems while improving deployment, security, and infrastructure understanding.
Open to well-scoped backend work
Renvoxit works on backend systems, APIs, Telegram bots, automation, deployment workflows, debugging, and technical infrastructure.
Technical work can include backend functionality, API integration, Telegram bot logic, automation workflows, database systems, deployment setup, debugging, and improvement of existing systems.