Backend Engineer focused on APIs and backend systems with Python, FastAPI, Java and Spring Boot.
I build and maintain REST APIs, authentication and authorization flows, API Gateway components, service integrations and containerized applications. My current technical focus includes PostgreSQL, Redis, Docker, automated testing and maintainable backend architecture.
- jsr-api-gateway — FastAPI API Gateway with versioned routes, JWT validation through an external auth service, rate limiting, YAML-based proxy routing, regex rewrites and automated tests.
- jackson-easy-api — FastAPI and SQLAlchemy project generator published on PyPI.
- todolist — Java and Spring Boot REST API with JWT authentication, Spring Security, JPA, validation and tests.
- api-blog — FastAPI application organized into domain, application and infrastructure layers, with Redis, JWT middleware, rate limiting and tests.
- Python, FastAPI, SQLAlchemy
- Java, Spring Boot, Spring Security
- REST APIs, API Gateway, Microservices
- PostgreSQL, Redis, SQL
- Docker, Traefik, GitHub Actions
- Automated testing and API design
My professional background also includes teaching programming, software development, computational thinking and databases. That experience strengthened my technical communication, documentation and mentoring skills.