Illia K.Private profile: Upwork shows its earnings only to signed-in members, so we check it every few weeks, not daily. MRR here is a rough estimate (Upwork's six-month earnings ÷ months active). Last read Nov 5, 2026.

Python Backend Developer with 3 years of commercial experience building reliable backend solutions for web applications and business systems. My core stack includes Python, FastAPI, Django, Django REST Framework, PostgreSQL, MongoDB, Redis, Celery, Docker, and CI/CD. I specialize in developing production-ready backend services, designing scalable APIs, implementing business logic, integrating external systems, handling payment-related workflows, building background job processing, and improving performance in existing systems. I have hands-on experience building backend solutions from the ground up, including a full-featured API for a Planetarium system using Django REST Framework, as well as a Restaurant Kitchen Service management application. I am comfortable taking ownership of backend tasks at every stage, from understanding requirements and planning architecture to implementation, debugging, optimization, and delivery. I can help with: -Building backend systems from scratch -Developing, improving, and maintaining REST APIs -Integrating third-party services and payment solutions -Refactoring backend code for scalability and maintainability -Debugging production issues and solving complex backend problems -Writing automation scripts and handling general Python tasks I focus on writing clean, maintainable code and delivering solutions that are practical from both technical and business perspectives. I value clear communication, structured execution, and long-term reliability in the systems I build. I’m open to both one-time projects and ongoing collaboration.