Evgenii Rudchenko

Worked on a fish product storage service where organizations add warehouses with refrigeration parameters and other parties request placement, followed by agreement and ordering flows. Implemented a backend API for a mobile events product with event management, subscriptions, notifications via Firebase Cloud Messaging, and social interaction features. Also delivered blockchain-related tooling for crypto trading workflows, including internal wallet transfers, listings, trade execution with exchange integration (Binance), and deposit/withdraw logic, using Django/FastAPI with PostgreSQL and Docker Compose.

Developed an online learning platform with a modular course structure, assignments, tutor review flows, and a student rating system. Added employer features to view students and send job invitations. Later implemented an online concrete ordering and delivery system with manager and driver interfaces, order status tracking, and delivery confirmation workflows using Django/DRF with PostgreSQL and Docker Compose.

Built a billing system for an internet provider, covering user data management, balance top-ups, and automatic deductions based on current tariffs. Implemented access provisioning mechanisms for subscribers. Developed and deployed services using Python with Flask, PostgreSQL, and Docker Compose in a small team.