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Hi! I’m Arsenii, a Backend Python Developer specializing in building scalable, production-ready REST APIs. I have hands-on experience designing asynchronous architectures with FastAPI and robust monolithic applications using Django REST Framework. In my recent projects, I’ve implemented secure JWT authentication with token rotation, integrated Stripe payment gateways with webhook signature verification, and optimized database performance using select_related/prefetch_related to eliminate N+1 issues. I’m passionate about writing clean, testable code and have a strong grasp of containerization (Docker), background tasks (Celery/Redis), and external API integrations. I am currently open to new opportunities and ready to bring my backend expertise to your team.