Kseniia Pichugina
Backend Developer specializing in Go and C#, building APIs
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Mini Analytics Service
A backend analytics service for collecting user events and generating aggregated statistics.
The service accepts events such as page views and purchases, processes them in batches, and stores the resulting data in PostgreSQL for further analysis.
Tech stack: Go, PostgreSQL, REST API, Docker
The project focuses on backend data processing, efficient database interaction, event aggregation, and building a simple foundation for analytics systems.
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Distributed Web Crawler
A concurrent distributed web crawler built in Go for processing multiple URLs in parallel.
The crawler uses multiple workers to fetch and process pages concurrently while controlling request rates and coordinating discovered URLs through Kafka.
Tech stack: Go, Kafka, goroutines, channels, context, HTML parser, Docker
The project demonstrates practical use of Go concurrency patterns, distributed task processing, synchronization, rate limiting, and graceful application shutdown.
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10
Telegram Booking Bot
A Telegram bot for managing service bookings and collecting customer requests directly in Telegram.
The bot guides users through a simple booking flow: selecting a service, choosing a date and time, confirming the booking, and submitting their contact details.
Tech stack: Go, Telegram Bot API, PostgreSQL, pgx
The project demonstrates how a lightweight Telegram-based system can automate appointment booking and reduce manual work for small businesses and service providers.
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Warehouse Management System
Tech stack: C#, .NET, ASP.NET (http://ASP.NET) Core, EF Core, PostgreSQL, Npgsql, Docker, JWT, Swagger/OpenAPI
The project focuses on modular architecture, separation of responsibilities, maintainability, and the ability to scale individual services independently.
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